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© 2015 Cochran Consulting, Inc. The Recorder and CPU Module main batteries are very easy for the user to replace as there are no chargers, wires, holders, or special tools needed. Each battery has its own watertight compartment that is sealed from the electronics. The compartment is accessed by unscrewing its Cap with a coin (a US Quarter is supplied with the product). Each Cap has two o-rings for watertight redundancy. The contacts in the Battery Caps and Compartments are of a unique metal that resists seawater corrosion. Should a compartment become flooded, immediately and thoroughly flush the compartment and cap with fresh water, let it dry, and replace the battery. Be sure to carefully inspect the Cap for debris before installing it. The Cap is a special material that is softer than the Case material so that the Cap will be expelled should pressure build up within a Compartment. Lifeguard ® Battery Tutorial Replacing Recorder and CPU Module Batteries CAUTION: Observe proper polarity when installing batteries! The positive tip goes in first. CAUTION: Use caution when tightening the Battery Cap! Do not cross-thread the cap. Tighten battery caps until the o-rings cannot be seen. Never overtighten the caps. Only use the supplied U.S. Quarter or similar coin. Never use a screwdriver.
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© 2015 Cochran Consulting, Inc.
Lifeguard® Battery Tutorial19 October 2015
Lifeguard Recorder and CPU Modules BatteriesLifeguard Display Modules Battery
(“Analyst” and “Lifeguard” are registered Trademarks of Cochran Consulting, Inc.)
Cochran Consulting, Inc.
© 2015 Cochran Consulting, Inc.
The Lifeguard Recorder and CPU Modules are powered by two user-replaceable, off the shelf, three volt type CR12600SE Lithium batteries. The two batteries are redundant where the electronics system automatically draws power from the battery that has the highest voltage. Should both of these main batteries be depleted, an internal battery takes over and an orderly shutdown is executed. This internal battery has an expected life of over ten years. In normal operation, for the original owner, this internal battery will be replaced free of charge at the factory every ten years.
When replacing the main batteries, it is recommended to replace one, then the other so the Module will always have power. If this procedure is followed and the batteries are not completely depleted, replacing the batteries does not affect any parameters within the unit such as Nitrogen loading. Never replace just one battery. It is recommended that both batteries be replaced.
With fresh Lithium batteries, the shelf-life of the batteries is over ten years. In average use the batteries will last for hundreds of hours of diving or two years, whichever occurs first. However, it is recommended to replace the batteries annually.
Never store the Recorder or CPU Module with low or depleted or removed batteries.
For maximum reliability and battery life we recommend Lithium batteries. However, Alkaline “N” cells will also work but at reduced life and reliability. When using “N” cells, always replace the two Lithium batteries with four new “N” cells.
The battery voltages can be seen on the Lifeguard Display Module or by using the Analyst PC software Version 5.0..
Note: The Lithium battery is non-magnetic and will not affect a compass. Most Alkaline “N” cells are magnetic.CAUTION: Never use the 12 volt battery that is similar in size to the 1.5 volt “N” cell!
Lifeguard® Battery TutorialRecorder and CPU Module Batteries
© 2015 Cochran Consulting, Inc.
The Recorder and CPU Module main batteries are very easy for the user to replace as there are no chargers, wires, holders, or special tools needed. Each battery has its own watertight compartment that is sealed from the electronics. The compartment is accessed by unscrewing its Cap with a coin (a US Quarter is supplied with the product). Each Cap has two o-rings for watertight redundancy. The contacts in the Battery Caps and Compartments are of a unique metal that resists seawater corrosion. Should a compartment become flooded, immediately and thoroughly flush the compartment and cap with fresh water, let it dry, and replace the battery. Be sure to carefully inspect the Cap for debris before installing it. The Cap is a special material that is softer than the Case material so that the Cap will be expelled should pressure build up within a Compartment.
Lifeguard® Battery TutorialReplacing Recorder and CPU Module Batteries
CAUTION: Observe proper polarity when installing batteries! The positive tip goes in first. CAUTION: Use caution when tightening the Battery Cap! Do not cross-thread the cap.
Tighten battery caps until the o-rings cannot be seen.
Never overtighten the caps.
Only use the supplied U.S. Quarter or similar coin. Never use a screwdriver.
© 2015 Cochran Consulting, Inc.
The Lifeguard Computer Displays D1 and D3 Modules and Team Module T1 are powered by one user-replaceable Lithium battery three volt Type CR12600SE.
With a fresh Lithium battery, the shelf-life of the Module is ten years. If diving, the battery life depends on the use of the backlight “Taclite”. If only occasionally using the Taclite, the batteries will last for hundreds of hours of diving or two years, whichever occurs first. However, it is recommended to replace the batteries annually. If the Taclite is turned on for 100% of a dive, the battery life will be over 50 hours of diving. The Taclite turns on every time the case is tapped and the amount of time the Taclite stays on can be changed with the Analyst software or by using Touch Programming. From the factory, the Taclite Dwell Time is set for 10 seconds.
For maximum reliability and battery life it is recommend to use Lithium batteries. However, Alkaline “N” cells will also work but at reduced life and reliability.
For average use the batteries will last for over 1,000 hours of diving or two years, whichever occurs first. However, it is recommended to replace the battery annually
The battery voltage can be seen on the Lifeguard Display Module or by using the Analyst PC software.
Note: The Lithium battery is non-magnetic and will not affect a compass. Most Alkaline “N” cells are magnetic.CAUTION: Never use the 12 volt battery that is similar in size to the 1.5 volt “N” Cell.
Lifeguard® Battery TutorialDisplay Modules Battery
© 2015 Cochran Consulting, Inc.
The Lifeguard Computer Display and Team Modules battery is very easy for the user to replace as there are no chargers, wires, holders, or special tools needed. The battery has its own watertight compartment that is sealed from the electronics. The compartment is accessed by unscrewing its Cap with a coin (a US Quarter is supplied with the product). The Cap has two o-rings for watertight redundancy. The contacts in the Battery Caps and Compartments are of a unique metal that resists seawater corrosion. Should a compartment become flooded, immediately and thoroughly flush the compartment and cap with fresh water, let it dry, and replace the battery. Be sure to carefully inspect the Cap for debris before installing it. The Cap is a special material that is softer than the Case material so that the Cap will be expelled should pressure build up within a Compartment.
Lifeguard® Battery TutorialReplacing Display Modules Battery
CAUTION: Observe proper polarity when installing battery! The positive tip goes in first. CAUTION: Use caution when tightening the Battery Cap! Do not cross-thread the cap.
Tighten battery cap until the o-rings cannot be seen.
Never overtighten the cap.
Only use the supplied U.S. Quarter or similar coin. Never use a screwdriver.
© 2015 Cochran Consulting, Inc.
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Lifeguard® Battery Tutorial
