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A Division of Richardson Electronics | [email protected] | 888.735.7373
Calibration Feedback System Users Guide Ver. N3, 03/21/17
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Contents
Calibration Feedback System Highlights ............................................................ 5
CFS Capabilities ................................................................................................................................. 5
Getting Started .............................................................................................. 6
Hardware Requirements ...................................................................................................................... 6
Supported Operating Systems ............................................................................................................. 6
Supported Displays ............................................................................................................................ 6
Supported Graphics Cards ................................................................................................................... 6
Recommended Windows Settings ..................................................................... 7
Screen Saver ..................................................................................................................................... 7
Display Power Management System (DPMS) .......................................................................................... 7
Desktop Wallpaper ............................................................................................................................. 7
Remote Desktop ................................................................................................................................ 7
CFS Installation .............................................................................................. 8
Using a Calibration Photometer ........................................................................ 8
Installing Chroma 5 USB Calibration Photometer (Puck) Driver ............................. 9
Opening CFS ................................................................................................ 12
CFS Dialog Box ................................................................................................................................ 12
CFS Pop-up Menu ............................................................................................................................. 13
Shutdown CFS ................................................................................................................................. 13
Restart CFS ..................................................................................................................................... 13
Uninstall CFS ................................................................................................................................... 13
Remote Support ............................................................................................................................... 13
Factory Reset .................................................................................................................................. 13
Display Properties ............................................................................................................................ 13
Visual Acceptance ............................................................................................................................ 14
Test Patterns ................................................................................................................................... 14
PinPoint .......................................................................................................................................... 14
Uniformity Test ................................................................................................................................ 14
Low Contrast Spot Test ..................................................................................................................... 14
Luminance Sampling ........................................................................................................................ 15
Quick CFS Set-up / Calibration (Displays with integrated front sensors) .............. 16
DICOM Calibration: .......................................................................................................................... 16
Calibration Instructions with Hand Held Photometer Only .................................. 17
CFS General Tab ........................................................................................... 18
Low Level Offset .............................................................................................................................. 19
Calibration Steps .............................................................................................................................. 19
Verification Steps ............................................................................................................................. 19
DICOM Compliance Check ................................................................................................................. 19
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DICOM Calibration ............................................................................................................................ 19
HTTP Interface ................................................................................................................................. 19
System Status ................................................................................................................................. 20
CFS Status ...................................................................................................................................... 20
Display Identification ........................................................................................................................ 21
Exit CFS .......................................................................................................................................... 21
About CFS ....................................................................................................................................... 21
Large GUI ....................................................................................................................................... 21
CFS Scheduler Tab........................................................................................ 22
Back Light Intensity settings.............................................................................................................. 22
White Level Luminance ..................................................................................................................... 23
DICOM Compliance........................................................................................................................... 23
Auto Generate Report ....................................................................................................................... 23
Visual Acceptance Scheduler ............................................................................................................. 23
Front Ambient Sensor Control ............................................................................................................ 24
CFS Event Log Tab........................................................................................ 25
Event Log........................................................................................................................................ 25
CFS Preferences Tab ..................................................................................... 26
Permission Popup ............................................................................................................................. 26
Event Log Export ............................................................................................................................. 27
Visual Acceptance ............................................................................................................................ 27
CFS Activation Code ......................................................................................................................... 27
Auto Update Function ....................................................................................................................... 27
Cursor Behavior ............................................................................................................................... 28
PinPoint Behavior ............................................................................................................................. 28
PnP Table ........................................................................................................................................ 28
App Table........................................................................................................................................ 29
CFS Reports Tab ........................................................................................... 30
CFS Calibration Report ...................................................................................................................... 31
CFS Display Tabs .......................................................................................... 32
Display Tab(s) ................................................................................................................................. 32
Device Parameters ........................................................................................................................... 33
Front Luminance Sensor selection ...................................................................................................... 33
Color Point Adjustment ..................................................................................................................... 33
Lamp Parameters ............................................................................................................................. 33
Luminance Parameters ..................................................................................................................... 33
DICOM Parameters ........................................................................................................................... 33
Rollback to previous DICOM Curves .................................................................................................... 34
“LOG” and “LIN” Graphs .................................................................................................................... 35
“LUM” and “FIT” Graphs .................................................................................................................... 36
CFS with Optional Add-on Front Sensor (AFS) .................................................. 37
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Add-on Front Sensor (AFS) Mounting Instructions: ............................................................................... 37
Positioning the Sensor Hotspot underneath the AFS. ......................................... 39
Troubleshooting and Support ......................................................................... 40
Front Sensor stuck in the ‘in’ or ‘out’ position ...................................................................................... 40
Event Log shows DICOM or Luminance Maintenance bypassed ............................................................... 40
Calibration puck driver problem (“The Specified Sensor is not responding”) ............................................. 40
Pop-up window with 30 day warning appears at boot up ....................................................................... 40
CFS Display tab missing (two displays connected but only one tab present) ............................................ 40
Support Contact Information ............................................................................................................. 41
THE INFORMATION CONTAINED IN THIS PUBLICATION IS SUBJECT TO CHANGE WITHOUT NOTICE
AT ANY TIME.
Richardson Electronics Healthcare – A Division of Richardson Electronics, Ltd. reserves the right to
make changes in product features or specifications at any time and without notice. The information
provided in this publication is believed to be accurate and reliable. However, this publication could
contain technical inaccuracies or typographical errors. Richardson Electronics Healthcare assumes no
responsibility for the use of this publication; nor for any infringements or patents or other rights or
third parties resulting from its use. No license is granted under any patents or patent rights of
Richardson Electronics Healthcare.
© 2017 Richardson Electronics Healthcare – A Division of Richardson Electronics, Ltd.
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Calibration Feedback System Highlights
Thank you for purchasing Calibration Feedback System (CFS) software from Richardson
Electronics Healthcare. CFS is designed to enable Physicists, Technicians, PACS Administrators,
or any end-user to easily calibrate, quantify, and conformance test Richardson Electronics
Healthcare Image Systems displays. This ensures all medical images are being displayed
optimally and in a consistent manner per the requirements stated in the DICOM Part14 standard
and TG18 guidelines.
CFS Capabilities
Hands free self-calibration
Scheduled automatic conformance verification and white level checks at user defined
intervals
Automatically creates records of all calibration activities and export to central location on
network
Displays visual conformance test pattern at start up or on user defined intervals
Roll-Back to previous DICOM calibration tables
Graphic view of calibration results
Front sensor calibration to handheld photometer with traceability to NIST
Measure and record display white level uniformity to both the TG18 and DIN standards
Hands free self-calibration and brightness control on selected commercial LCD displays
with the optional Add-on Front Sensor (AFS)
Support for Windows DPMS to extend backlight life
Color point adjustment for color displays
Perform objective low contrast spot test
Monitor and control all calibration activities remotely with optional CFS WebManager
12-bit DICOM calibration (To take full advantage of this feature, qualified graphic cards,
drivers, and applications/software are required)
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Getting Started
Hardware Requirements Intel Pentium 4 Processor or greater
512 MB System Memory
100 MB of available hard-disk space
Image Systems chroma5 calibration photometer (puck) or X-Rite I1D3 photometer
Supported Operating Systems Windows 7 Professional 32-bit/64-bit
Windows XP Professional 32-bit/64-bit
Windows 2000
Windows Vista
Supported Displays
All diagnostic and clinical Image Systems displays
Most clinical non-Image Systems displays connected to a NVIDIA Quadro or NVS series
graphics card via a DVI-D Dual-Link cable, or via DisplayPort.
Note: The recently introduced N-Series displays (2016) use a 24-volt external power supply.
Older P-Series and M-Series monitors use 12-volt external power supplies. Use care not to
interchange power supplies as non-warranty damage could result!
In addition, on displays with an external power supply, check the orientation of the connector
as shown below:
Supported Graphics Cards NVIDIA Quadro/FX or NVS series
ATI FirePro, FireGL, FireMV series with two DVI ports
*We do not recommend/support mixing of AMD/ATI and nVidia graphics cards and drivers within the
same workstation.
NOTE: Displays using a DVI connection must be connected with DVI-D Dual-Link cables. Not all
NVIDIA or ATI graphics cards and drivers are supported. The supported displays and
graphics cards list continues to expand and are available for download on the Richardson
Electronics Healthcare TEKLink website. Contact your Richardson Electronics Healthcare
sales or support representative for current compatibility.
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Recommended Windows Settings
Screen Saver All LCD displays will exhibit some “image retention” when an image is left on the screen for a
period of time. This is easily remedied by implementing the Windows Screen saver function. A
moving image such as “Mystify” with a setting of 10 to 15 minutes is recommended.
Windows 7 - Click on the Start menu orb, select Control Panel, click the Personalization
icon, and choose the Screen Saver icon.
Windows XP – Click on the Start menu, select Settings, select Control Panel, double-click
the Display icon, and select the Screen Saver tab.
Display Power Management System (DPMS)
To extend the life the backlight the Windows DPMS function is encouraged. A setting from 20
to 60 minutes is recommended.
Windows 7 – Navigate to the Screen Saver settings, click the “Change power settings”
link, click the “Change plan settings” link, and select the desired power management
settings.
Windows XP – Navigate to the Screen Saver settings, click the Power button, and select
the desired power management settings.
Desktop Wallpaper
To minimize “image retention” issues, setting the Desktop Wallpaper to “none” is
recommended.
Windows 7 - Click on the Start menu orb, select Control Panel, click the Personalization
icon, and click the “Desktop Background” link.
Windows XP – Click on the Start menu, select Settings, select Control Panel, double-click
the Display icon, and select the Desktop tab.
Remote Desktop Remote Desktop applications may load a different display driver that could affect the way that
CFS communicates with the displays. If this occurs, reboot the workstation to restore the
correct NVidia drivers.
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CFS Installation
NOTE: Before starting this install process: Install and configure video drivers and card(s)
for all grayscale and color monitors. Richardson Electronics Healthcare highly
recommends using video drivers supplied on the CD shipped with all Image Systems
displays.
1. Log into computer with Administrator rights.
2. Insert the Richardson Electronics Healthcare software CD labeled “Image Systems” into the
CD/DVD drive.
3. Select “Install CFS Local”.
.4 Right click on the install file in the window that opens and select “Run as administrator”.
5. Follow the on-screen instructions.
By default, the installer will run until completed with no user interaction needed. The installer
gives the user the ability to step through the install process by changing the ‘Run’ radio button to
‘Step’.
Using a Calibration Photometer The CFS Software supports X-Rite Chroma 5 or X-Rite I1D3 Photometers, and will
automatically detect the connected photometer.
The i1D3 is HID-Compliant and thus does NOT require any external drivers to be installed.
The i1D3 can measure ambient light with the diffuser in place. An internal sensor is used to
detect the position of the diffuser and alert the user if the diffuser is in the wrong position.
Luminance sampling using either photometer is available on the CFS Icon Pop-up menu.
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Installing Chroma 5 USB Calibration Photometer (Puck) Driver
Windows XP
1. Connect ONLY an Image Systems Calibration USB Puck to USB port.
2. Windows Found New Hardware Wizard will start.
3. Select “Search for a suitable driver for my device” and click Next
4. Select “Specify a location” only and click Next.
5. Browse to C:\Image Systems\Support Files, click OK, click Next, and click Finish.
Windows 7
1. Connect the Image Systems USB puck to an available USB port.
2. Click the Start menu, right-click on the Computer link, and choose Manage.
3. Click the Device Manager link.
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4. Right-click on “Calibrator” and choose Update Driver Software.
5. Click “Browse my computer for driver software”
6. Click the Browse button and navigate to C:\Image Systems\Support Files
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7. Select Next to install the device software.
8. Check the “Always trust software from X-Rite Incorporated” checkbox and click Install.
9. The puck is now installed and ready for use.
NOTE: BEFORE unplugging the Image Systems calibration puck it is recommended that you
click on the “Safely Remove Hardware” icon in the System tool tray and “stop” the
“Sequel Imaging Chroma Calibrator” device.
NOTE: X-Rite I1 Display photometers are HID-Compliant and use USB drivers that are already
included in Windows.
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Opening CFS
CFS Dialog Box
After proper installation of your CFS software, the CFS icon will appear in the System tool
tray. After initial install it may take several minutes for the CFS icon to appear. Double-click
“ISC CFS” in the System Tray (System Tray is usually located in the lower right corner of
desktop).
ISC CFS System Tray Icon
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CFS Pop-up Menu
When the CFS dialog box is minimized several other CFS features can be accessed with a
right mouse click on the ISC CFS icon in the tool tray (see picture below).
Shutdown CFS
Click Shutdown CFS to stop the CFS Application. Please be aware that this will
terminate all monitoring and calibration operations!
Restart CFS
Clicking Restart CFS will stop the current instance of CFS and re-launch the program.
Uninstall CFS
Clicking Uninstall CFS will remove the application from Windows. The calibration data, event
log files, and status reports will remain in the C:\Image Systems directory after uninstall is
completed. These can be completely removed by deleting the Image Systems directory.
Factory Reset
Selecting Factory Reset launches a window that allows the user to select the display to
perform a Factory Reset on.
Check the box to delete the panel data that is
stored on the workstation. CFS will then
download the factory settings from the panel
when the Reset button is pressed.
Note: For A-Series and M-Series displays a
photometer will be required to recalibrate the
display.
Display Properties
This is a link to the Windows Display Properties,
Settings tab. If changes are made to the
display(s) configuration, CFS will automatically
detect the changes.
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Visual Acceptance
Selecting “Visual Acceptance” will initiate the test(s) indicated on the Preferences tab. This
test can also be automatically run at specified times indicated on the Scheduler tab.
Test Patterns
Selecting “Test Patterns” will display a SMPTE test pattern or the last user selected pattern on
all displays. Right-click anywhere on the screen to select other test patterns or functions.
Select “Exit” to return to normal mode.
PinPoint
Selecting “PinPoint” isolates a region of interest by dimming all screens leaving a high
contrast window centered on the mouse pointer. This area can also be magnified using the
scroll wheel or the arrow keys. Click the right mouse button or the Esc key to return to
normal mode. More details can be found in the Preferences tab section.
Uniformity Test
Uniformity measurements to the TG18 and DIN standards are possible with CFS using an
Image Systems hand held USB photometer (puck). Plug the USB puck into a USB port and
right click on the CFS icon in the tool tray. Select Uniformity and then the desired uniformity
check (i.e. IS 100%). Follow the on screen instructions. The results of each test are displayed
on the screen and recorded. The data can be viewed and printed by running a Uniformity
report from the Reports tab.
Low Contrast Spot Test
This test can be performed by an end-user with no additional special tools. An additional
advantage of this test is that it takes into account not only the DICOM 3.14 calibration as
performed by CFS, but it also takes into account the ambient lighting in the environment, any
modifications to brightness and other settings on the display, and the perception of the
eye/brain of the end-user. Since this is an easy test to access and perform at any time, it is
recommended that this test be performed frequently, such as at the beginning of every sign-
on to the device, or any time a significant change in ambient lighting occurs.
The test can be accessed by right clicking the CFS icon in system tool tray, selecting Low
Contrast Spot Test, and then either the "Quick Test" or the "Multi Background" test.
Quick Test - Consists of a single low
contrast disc randomly positioned on the
display.
Multi Background – Consists of three
different test images, each image consists of
a single randomly located disc at different
background luminance levels.
The test is successful when the user is able to
visually locate the randomly placed disc on
the display, position the mouse pointer over
the disc, and then left click the mouse to
acknowledge the location. If the test is
unsuccessful, then the user may need to
adjust ambient lighting conditions, display settings, or request support.
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Luminance Sampling
Luminance sampling is possible with CFS using an Image Systems USB photometer. Plug the
photometer into a USB port and right click on the CFS icon in the tool tray. Select Luminance
Sampling, then Continuous Automatic.
When the user selects Continuous Automatic, the Luminance Sampler dialog box is displayed.
The sampling mode has 3 options:
Paused (not sampling)
Capture single sample
Sample continuously at selectable intervals
When a sample is taken the Luminance parameters are displayed as shown below:
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Quick CFS Set-up / Calibration (Displays with integrated front sensors)
1. Double-click ISC CFS Dialog icon in
lower right corner. See “Opening CFS”
on page 13.
2. Click the General tab.
3. Set “Low Level Offset” to desired value
(factory default is 0.0 cd/m2 - recommended)
NOTE: Before proceeding, the room lighting
should be set to “viewing” level and
displays should be fully warmed up!
(At least 20 minutes)
DICOM Calibration
N-Series, X-Series and P-Series displays
are fully calibrated in the factory. The
CFS status will read “In full compliance”
without completing step DICOM Calibration.
However, it is recommended that DICOM
calibration be repeated at this time
to capture your ambient room lighting
and achieve the best possible results.
4. Click the General tab
Click “Recalibrate all displays to
DICOM Standard”
NOTE: This will take approximately 12 to 15 minutes depending on the number of displays.
Your Image Systems displays are now DICOM calibrated and ready for use.
*M-Series displays require calibration upon initial setup (See below):
DICOM Calibration (M-Series Displays): 1. Connect Image Systems USB 4. Repeat steps 2 & 3 for each
Photometer to USB port on Computer diagnostic display tab
2. Click Display tab for each M-series display 5. Click the General tab
Click Recalibrate all displays to DICOM
standard.
3. Click Recalibrate Front Sensor
(Immediate action). Follow the On-screen instructions.
CFS Set-up & Calibration (General Tab)
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Calibration Instructions with Hand Held Photometer Only (Displays without integrated front sensors) 1. Double-click ISC CFS Dialog icon in
lower right corner.
2. Set “White Level Target” to appropriate value.
In most cases the best target
for individual displays will already be set
on the displays Display tab automatically.
3. To set unique luminance targets for
individual displays select each Display tab
and select a luminance target.
Typical luminance targets:
Grayscale Display = 450 – 500 cd/m2
Std. Color Display = 175 – 250 cd/m2
High Bright Color = 400 – 450 cd/m2
4. Set “Ambient Luminance value” to
desired value, 0.0 cd/m2 is recommended
(factory default is 0.0 cd/m2)
5. Set “Front Luminance Sensor” to
“USB Puck” (See Diagram)
NOTE: Before proceeding room lighting should
be set to “viewing” level and displays
should be fully warmed up.
(At least 20 minutes)
6. Click “Readjust White Level Luminance”
(See Diagram)
7. Chroma 5 only: Place Sensor face
down on table for black level calibration
Click Continue and follow the on-screen
directions.
8. Place Sensor in the center of the display screen and click Continue.
9. Click “Recalibrate to DICOM Standard” (this will take several minutes to complete).
(See Diagram)
10. Repeat steps 6, 8 and 9 for each display without an integrated front sensor.
Step 5
Step 6
Step 9
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CFS General Tab
Display Identification
Exit CFS About CFS Administrator Password
Large GUI
Low Level Offset
Calibration Steps
Verification Steps
DICOM Compliance Check
DICOM Calibration
Color Point Target Selection
CFS Version
CFS Mode
CFS Status
HTTP Interface
CFS Service
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Low Level Offset Change this setting to adjust for ambient (room) light. Most reading conditions are in
relatively low room lighting and the default of 0.0 cd/m2 should be used. For rooms with
bright lighting such as Operating Rooms, values of 1.5 to 2.0cd/m2 are common.
Calibration Steps The default of “0,5,10,15…” should be selected. This takes 52 measurements. Selecting
smaller steps (more measurements) may slightly improve the calibration but will take much
longer to complete. Selecting larger steps (0,15,30,45…) and below is not recommended
except for certain testing purposes.
Verification Steps The default of “0,15,30,45…” should be selected. This takes 18 measurements. Selecting
smaller steps (more measurements) may slightly improve the verification but will take much
longer to complete. Selecting larger steps (0,17,34,51…) and below is not recommended
except for certain testing purposes.
DICOM Compliance Check Check this box to perform a DICOM compliance check on all displays.
DICOM Calibration Check this box to perform a full DICOM calibration on all displays. This will take
approximately 12 to 15 minutes depending on number of displays.
HTTP Interface
These optional settings allow for connection to the CFS WebManager server.
CFS WebManager Name/IP - Input the IP address or computer name for the computer
running the CFS WebManager software.
Hierarchical Group Name - Assign the system to a group/sub group. Group/sub group
assignment allows the user to easily filter and view systems on the CFS WebManager home
page.
Examples:
Hospital ABC/Radiology
Hospital ABC/ICU
In this example the user could filter the view on the CFS WebManager home page by
“Hospital ABC”, or by sub group “Hospital ABC/Radiology, etc.
Activity Level – The Activity Level shows the connection status between CFS and CFS
WebManager. If the HTTP Interface settings have been entered correctly,
the Activity Level will show as Active.
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System Status
CFS Identifier
The currently installed CFS version and release date are displayed here.
CFS Service
This is the status of the ISCcfs Windows service. CFS runs background functions in a
Windows service and will display an “Active” or “Not Active” status here.
CFS Mode – Administrator is the default mode
Administrator mode allows for changes to CFS parameters so you may tailor your
workstations to your specific needs. In User Mode, users are only allowed to run a DICOM
compliance test, a DICOM recalibration and view the CFS Calibration Report.
User Mode View
CFS Status
Calibration:
Integrated – Diagnostic displays with calibration information.
Navigation Panel – display(s) attached to the computer but not part of the calibration
scheme.
Unknown – Non navigational displays with no calibration information present.
Status:
In Full compliance – DICOM calibrated correctly.
Out of Compliance – DICOM or Luminance out of compliance.
<none> - Navigation Panel defaults to this status.
DICOM deviation tolerance is set on the Scheduler Tab
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NOTE: Displays “waking up” from power saver mode may show “Not Available” or “Out of
Compliance” for a short period of time until warmed up.
Display Identification To show the display order number from CFS, click the Identify button. A pop up box will show
the display Number, Name, and Unique ID according to CFS. Identify can be used to compare
the Windows display numbering with the CFS display numbering, which should match.
Exit CFS Clicking the Escape button will close the CFS window. Doing this or closing CFS will keeps CFS
running in the background. CFS can be reopened by double-clicking the monitor icon in the
Windows system tray.
About CFS This opens the About CFS dialogue box where users can view the ReadMe document and
Richardson Electronics Healthcare contact information.
Large GUI Clicking this button will increase the size of the CFS window, which is useful while operating
CFS from high-resolution displays.
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CFS Scheduler Tab
Back Light Intensity settings
All Image Systems displays utilize an internal backlight sensor to measure the brightness of
the backlights every minute. By adjusting the “Auto-adjust when off target by” setting you
can control how closely the displays will maintain the Target White level luminance value set
on the General tab. Settings of 3% to 5% are typical. Should the luminance value vary more
than the “Log alert when off target by” setting, an alert message will be logged in the Event
Log. Typical settings are from 5% to 7%. The “Check brightness value every” should be set
to “sliding scale” when an AFS (Add on Front Sensor) is used. This allows CFS to act as a
Stable Backlight Control (SBC) for displays lacking this built-in feature.
Back Light Intensity
White Level Luminance
Visual Acceptance Scheduler
DICOM Compliance
Auto-Generate Report
Front Ambient Sensor Control*
* Does not apply to A-Series or M-Series
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White Level Luminance This section sets the schedule on which a White Level Luminance check will occur
automatically using the Side Bezel Sensor built into each display or the AFS option. The
default setting is once per month on Friday at 8pm. Typically this check is scheduled during
off-hours so as to not disrupt workflow. Common frequency settings are once per week or
once per month. During the scheduled check, should the reading vary outside of the Auto
adjust target (typically 3%) CFS will automatically change the White level to the Target White
level luminance value set on the General tab and log an alert to the Event Log if the reading
varied outside of the Log alert target (typically 10%).
DICOM Compliance This section sets the schedule on which a DICOM verification check will occur. Typically this
check is scheduled during off-hours so as to not disrupt workflow. The default setting is once
per month on Friday at 8pm. Common frequency settings are once per week or once per
month. During the scheduled check, should the reading vary outside of the Auto adjust target
(typically 5%) CFS will automatically recalibrate and log an alert to the Event Log if the
reading varied outside of the Log alert target (typically 10%).
Auto Generate Report The “Auto-generate reports file” drop list is used to select which calibration report will be
created each time a compliance check is run (see a sample DICOM report on page 31). The
report file is saved in C:/Image Systems/Reports. The default file name is the local computer
name with the current date appended to the end. The file type is HTML. The “File name” field
in the “Event Log Export” section on the Preference tab sets the file name used for export of
the CFS log file and the CFS Calibration Report. Reports can be accessed from the Reports tab
by double clicking a report in the Archived Reports list.
NOTE: If your displays are in the Windows power saver mode when a scheduled White Level
Luminance or DICOM Compliance check occurs CFS will automatically power up the displays,
wait 15 minutes for the displays to warm up and then initiate the check.
Visual Acceptance Scheduler This section configures CFS to display a confirmation image along with an informational
message on a scheduled basis. The visual confirmation notice will remain on the screen until
the user enters their name or initials (at least 3 characters). The user can opt to delay the
test for 5 minutes. The test image(s) will be displayed on each diagnostic display and the user
must accept or reject each one. If an image is rejected, the user may enter a reason. See the
preference tab to configure the informational message and select a confirmation image.
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Example Visual Acceptance image with default message.
Front Ambient Sensor Control All Image Systems Professional-Series displays have a front ambient room lighting sensor. CFS
receives current room lighting readings from this sensor and alerts the user should the
lighting change significantly from the reading taken during the last calibration process. Should
the reading vary greater than the “Display warning when brighter by” setting a pop-up
warning will appear. The “Check ambient LUX every” setting adjust the time interval for CFS
to take readings from the Front Ambient Sensor (LUX - a measure of the apparent intensity of
light). In the case of a pop-up warning it is recommended the user either returns the room
lighting to the conditions set at the last calibration or recalibrates the displays.
NOTE: With Image Systems M-series displays this section does not apply.
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CFS Event Log Tab
Event Log The Event Log tab shows all past CFS activity. The information is stored in a text file on the
C: drive of the local computer. While in CFS administrator mode the log file can be edited or
exported to any location on the local computer. Settings in the Preference tab allow for
automatic export of the event log on a user-defined schedule as well.
Clicking on a Heading will
sort the Event Log by the
selected item.
The default is sort by Date and Time
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CFS Preferences Tab
Permission Popup When a scheduled event from the Scheduler tab is initiated a popup message will appear on
the screen. The popup box allows anyone sitting at the system to initiate or terminate the
scheduled event. If no action is taken the event will execute automatically after the set
countdown time. Should a user terminate a scheduled event a message is recorded in the
event log and an error message is sent to the CFS WebManager.
Permission Popup
Event Log Export
Defaults to Computer Name
(changeable by user)
Visual Acceptance
CFS Activation Code
Auto Update Function
Plug and Play Table
App Table
PinPoint Behavior
Cursor Behavior
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Event Log Export The CFS event log can be automatically exported to any location on the local computer on a
set frequency by changing the “Export log file every” setting from Never to a desired
frequency. Set the path location by typing the desire path or click the Browse for path box.
The default file name is the local computer name. Selecting the Append date to file name box
will append the date to the end of the file name. Purge log file after export is recommended
to keep the Event Log file at a manageable size. (The Event Log will automatically truncate
old entries after reaching 2048 lines) Exporting the Event log on a monthly basis is common.
Visual Acceptance When the Visual Acceptance Image is set or enabled on the Scheduler tab a default SMPTE
image and generic message are displayed. To select a different image enter the path and file
name in the Confirmation Image box. Click the “Browse for image” box to browse. GIF,
Bitmap and DICOM formats are supported. To change the default message, type your desired
message in the Confirmation message box.
CFS Activation Code Some display and video card combinations require an activation code for CFS to continue
functioning after the 30 day trial period. After 30 days the popup message below will appear
when the CFS service starts. Contact Richardson Electronics Healthcare technical support to
receive a valid activation code.
Auto Update Function This option allows CFS to update to a new minor version of CFS automatically i.e. L5 to L6,
but not L6 to N1 (major version number change). The latest CFS version can be found at
http://www.rellhealthcare.com/downloads . Update one system to the new version. Copy the
ISCcfs.exe file found in C:/Image Systems/CFS folder to the path specified in the “UNC Path”
setting on all other systems running CFS. At the next computer reboot CFS will check the
“UNC Path” location for a new version and update automatically.
NOTE: Path names must follow the Windows Uniform Naming Convention (UNC). UNC names
identify network resources using a specific notation. UNC names consist of three parts - a
server name, a share name, and an optional file path. These three elements are combined
using backslashes as follows: \\server\share\file_path.
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Cursor Behavior Cursor Genie prevents the mouse cursor from getting trapped in the corners in a multi
monitor setup where the top and/or bottom of the displays don’t line up exactly. Cursor Wrap
allows the mouse to jump from the far left edge to the far right edge and vice-versa. It is also
possible to set a hotkey to determine where the cursor is currently sitting.
PinPoint Behavior PinPoint isolates a region of interest by dimming all screens leaving a high contrast window
centered on the mouse pointer. The PinPoint Size field sets the initial size of the window, but
it can be adjusted by clicking the scroll wheel or the left mouse button while rolling the scroll
wheel, or with the right/left arrow keys. The PinPoint Hotkey drop list sets the key
combination that opens the PinPoint window. It can also be opened by right-clicking on the
CFS icon in the system tray and selecting “PinPoint”. The image in this area can be magnified
using the scroll wheel or the up/down arrow keys. Click the right mouse button or press the
Esc key to return to normal mode.
PnP Table The PnP (Plug and Play) Table allows users to customize how non-Image Systems displays
attached to the computer are recognized by CFS and added to the CFS calibration process.
For example, by adding the Plug and Play number for a NEC 2190 to the PnP Table, CFS will
add a display tab for this display and allow calibration with either an optional AFS or the hand
held Image Systems USB photometer. Only displays that support DDC communication and
VESA standards for brightness control are supported. The user can also use this mechanism
to instruct CFS to ignore recognized displays. Open the CFS dialog box and click on the
Preference tab. Select the PnP Table button at the bottom of the window. Click inside the
popup PnP table window and add the PnP number of a supported display. Now select the
appropriate communication protocol for the display. After reboot CFS will add a Display tab
for the display. Contact your Richardson Electronics Healthcare support team for help
establishing the PnP number for your display.
Example PnP Table
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App Table The Application Table is where users can set up a Gamma Mode and Brightness for an
individual application or multiple applications. For example if the user looks at PACS images
on a high bright diagnostic monitor and opens Microsoft Word documents on a regular basis
they may experience eye strain due to the bright white MS Word page. The user can open MS
Word, open CFS to the Preferences tab, select the App Table button, choose MS Word from
the active Application pull down menu, choose a gamma mode of 0.0, a brightness of 50%,
and click the Add New Application button. After clicking confirm to exit the App Table, when
the user opens an MS word document, the monitors’ brightness will be automatically reduced
by 50% and the gamma table will be changed from DICOM to 0.0 (no gamma) allowing the
user to experience less eye strain. If the user opens up the PACS software to look at medical
images, CFS will automatically adjust the brightness back to the Target White Level and the
DICOM calibrated gamma table set up as shown on page 18.
Available Gamma Modes
0.0 – No gamma correction.
+2.2 – Optimized for typical display use.
-4.0 – Optimized for gamma 4.0
DICOM – Optimized for DICOM GSDF.
CT/MRI – Optimized for CT/MRI images.
Ultrasound – Optimized for Ultrasound images.
Example App Table
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CFS Reports Tab
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CFS Calibration Report Selecting the “DICOM” action box will immediately create a current DICOM calibration status
report for all Displays that are selected on the General Tab. The report file is saved in
C:/Image Systems/Reports. The default file name is the local computer name with the
current date appended to the end. The file type is HTML. The “Computer location/room
number” and CFS Administrator” fields will be recorded in the report. Previously run reports
can be opened by double clicking the report in the Archived Reports list.
Example CFS Calibration Report
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CFS Display Tabs
* Does not apply to A-Series or M-Series
Display Tab(s)
A display tab is created for each active display that is selected on the General tab and
contains important information about the display.
Device Parameters
Front Sensor Selection
Date of Last Front Sensor Calibration
and Serial Number of Calibration Puck
Color Point Adjustment
Lamp Parameters
Luminance Parameters
Ambient Sensor Reading *
DICOM Parameters
Digital Uniformity Control *
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Device Parameters The Device Parameters section displays information read from the attached displays internal
memory. Also displayed is the current driver for the displays graphic card and last date and
time of calibration of the Front Bezel Sensor along with the serial # for the Image Systems
calibration puck used to last calibrate the front sensor. Calibration of the front sensor can be
initiated by clicking on the “immediate action” box.
*To ensure accurate calibration we recommend the front sensor be recalibrated to
the Image Systems hand held USB photometer on a yearly basis.
Front Luminance Sensor selection This should be set to “Integrated” to utilize the retractable front sensor built in to each
display. The “USB Puck” (hand held puck) setting is used to facilitate calibration of supported
displays that do not have a Side bezel Sensor.
Color Point Adjustment The Color Point Adjustment section allows for color point matching of color displays.
To match a color point value, select a Color Point Target on the General Tab. Checking the
“Capture XY Color Point” box will facilitate capture of the color coordinates of the display. The
XY coordinates and color temperature are displayed on the General Tab. Additional displays
can now be color adjusted to these coordinates by checking the “Color Point Calibration” box
on the respective Display tab.
Lamp Parameters The Lamp Parameters section displays information on the state of the backlights. As the
backlights age, the Lamp Power Level value will slowly increase.
Luminance Parameters This section displays the target White Level for the display associated with the current Display
tab. Changing the target value will affect only the display associated with the current Display
tab. To initiate an immediate White Level check, click the corresponding immediate action
box. This will activate the front sensor and check the white level. To adjust the white level,
click the second immediate action box.
DICOM Parameters The DICOM Parameters section displays important information about the current DICOM
calibration parameters. The last date of DICOM calibration and verification along with the
percentage deviation from nominal are shown. Checking the “Check for DICOM Compliance”
immediate action box will activate the front sensor and start a DICOM check for compliance.
To run a complete DICOM calibration process check the “Recalibrate to DICOM Standard”
immediate action box.
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Rollback to previous DICOM Curves Each time DICOM calibration is performed, CFS saves the previous calibration file(s). The user
can choose to “rollback” to previous DICOM calibrations.
Clicking on the Rollback [immediate action] box opens a list of past calibration files for the
corresponding display. Example: “Dicom 120220” represents calibration file created on Feb.
20th of 2012 for the first display (Display 1).
Click on box to open list of
previous DICOM calibration files.
Select file to “Rollback” to previous calibration.
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“LOG” and “LIN” Graphs Graphs for each display are found on the Display tab.
Graph 1 “LOG” Graph 2 “LIN”
Graph 1 “LOG”
Shows the target versus actual luminance at each digital driving level as the mouse is moved
across the graph from left to right. The ideal graph will show a straight diagonal line between
the black and gray areas.
Graph 2 “LIN”
Shows the target versus actual JND (Just Noticeable Deference) step at each digital driving
level as the mouse is moved across the graph from left to right. The ideal graph will show
only small deviations (less than 4%) above and below the base line.
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“LUM” and “FIT” Graphs Graphs for each display are found on the Display tab.
Graph 3 “LUM” Graph 4 “FIT”
Graph 3 “LUM”
An example of the measured luminance for 18 display levels plotted in relation to the DICOM
3.14 standard luminance response function.
Graph 4 “FIT”
An example of the contrast response computed from the gray levels related to the expected
contrast response associated with the DICOM 3.14 standard luminance response. 10 percent
tolerance limits indicated by dotted lines.
To learn more about JND and the formulas used to create these graphs see the DICOM 3.14
document published by the Medical Imaging & Technology Alliance – a division of NEMA. This
document can be downloaded at:
http://medical.nema.org/Dicom/2011/11_14pu.pdf
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CFS with Optional Add-on Front Sensor (AFS)
The Add-on Front Sensor with CFS is designed to enable hands free calibration, quality checks for
DICOM conformance and brightness control on selected LCDs.
Supported displays:
- Image Systems 42” (medical grade)
- Most LCD displays connected to a Quadro or NVS series NVIDIA graphics card via a DVI-D
Single-Link or Dual-Link cable.
NOTE: The supported display list continues to expand. Contact your Richardson Electronics
Healthcare sales or support representative for an up-to-date list.
Add-on Front Sensor (AFS) Mounting Instructions:
1. Install CFS Software from the CD labeled Image Systems, provided.
2. Select a location for the AFS. The best location depends on your display model. Be sure the
USB connector on the AFS is accessible by the USB cable that plugs into your computer.
3. Select the correct mounting tape supplied with the AFS. Different displays have varying bezel
thicknesses requiring different mounting tape. For best results the AFS sensor should be as
close to the display glass as possible without touching. See below for suggested mounting
positions.
4. Add the appropriate tape thickness required for your display to the AFS sensor. Before
removing the final mounting tape backing, connect the USB cable, hold the AFS in your
selected mounting location and check that the sensor does not touch the display glass.
Remove the final mounting tape backing and carefully place the AFS in your selected
location and press firmly.
5. Connect the other end of the USB cable to an available USB port on the computer.
Windows 7 - Click the Start menu, right-click on the Computer link, and click Properties.
Choose “Browse my computer for driver software”. Click the Browse button and select
C:\Image Systems\Support Files and click Ok and then Next. Check the “Always trust software
from X-Rite Incorporated” checkbox and click Install to complete the installation.
Windows XP - The “Found New Hardware Wizard” will start. Select “Install from a list or
specific location (Advanced)”, and Click Next. Select “Search for the best driver in these
locations”, check the “Include this location in the search” checkbox, click Browse, select
C:\Image Systems\Support Files, click OK, and follow on screen instructions to complete.
6. Open CFS and select the display tab for the display with the AFS, select “Reposition Sensor
Hotspot”. Move the slider until the white box displays under the AFS. Use the keyboard
arrow keys for fine adjustments.
7. Follow the Quick CFS Set-up / Calibration instructions on page 17.
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Displays with AFS will show the serial number of the AFS unit instead of “Integrated” or “USB Puck”
in the Display tab.
AFS Serial number
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AFS with USB cable extended from the bottom
of the AFS unit. AFS mounted in the lower
right of display.
Positioning the Sensor Hotspot underneath the AFS.
AFS mounted in the upper right corner of
display.
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Troubleshooting and Support
Front Sensor stuck in the ‘in’ or ‘out’ position On rare occasions such as a power failure or mechanical problems the retractable front sensor
could get stuck in the ‘in’ or the ‘out’ position. Should this happen, DO NOT manually force
the sensor by prying it out or forcing it back in. Open the CFS dialog box and select the
Display tab for the display with the stuck sensor. Select the “Check White Level Luminance”
[immediate action] box to deploy the sensor. For sensors stuck in the out position, follow the
same procedure and then click “Abort”. The front sensor should retract. If the sensor does not
deploy or retract please contact your service representative.
Event Log shows DICOM or Luminance Maintenance bypassed Probable cause is the Bezel (Front Sensor) is not calibrated or DICOM calibration was not run
at initial install (see install instructions to calibrate front bezel sensor or run DICOM
calibration).
Calibration puck driver problem (“The Specified Sensor is not responding”) On rare occasions the driver for the hand held calibration puck can become corrupt.
Sometimes simply plugging the puck into another USB port will remedy the problem. A
system reboot may also work. If problem still persists, the driver may need to be reinstalled.
Open the “Unplug or Eject hardware” icon from the tool tray. Click on properties and then the
driver tab. Click on uninstall and then close. Unplug the puck from the USB port and then
reinsert into same USB port. The Found New Hardware Wizard will start. Click Next / Select
“Search for a suitable driver…..” (Default) Click Next. Select “Specify a location” only. Click
Next. Browse to C:\Image Systems\Support Files\ Click Ok / Next / and Finish.
Pop-up window with 30 day warning appears at boot up
CFS activation code not entered or entered incorrectly. See the Preferences tab section for
instructions on entering the CFS activation code.
CFS Display tab missing (two displays connected but only one tab present) Un-checking the display with no tab, and re-checking should resolve this. Alternately, unplug
power to the display not being recognized, reconnect, and reboot the computer. If this does
not correct the situation the graphic card drivers may not be installed correctly. Contact your
service representative for help installing the graphic card drivers.
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Support Contact Information
Service ticket requests, real-time web based remote control, updated drivers, manuals,
specifications, whitepapers, and calibration software are available at
http://www.rellhealthcare.com/services-support/ or by calling (800) 235-2125.