10 – 2
10
WARNING
Before disposing of used lithium batteries, insulate by affixing tape to the positive and
negative terminals or by other means. Otherwise, short-circuiting may occur, resulting in
heat generation, bursting or ignition.
On this equipment, lithium batteries is used for:
BT1 in the CPU control circuit (PC4401) (Maxell ER3)
Checking and Replacing the Battery
• The JMA-7700 series radar stores the tracks, marks, waypoints, and other settings in its internal lithium
memory. These items of information sre lost when the internal battery is exhausted.
• Checking the Battery
The life expectancy of the lithium battery is approximately 5 years after production. When the service
life of the battery is nearing its end, check its output voltage. Replace the battery if it reads lower than
3.0 volts.
• Battery replacement procedure
Replace the battery BT1 in the CMC-1055B CPU circuit board.
Be careful for making short-circuit between the battrey terminal.
The data on the memory is sustained by super-capacitance for a short period of time.
● Do not keep used lithium batteries but dispose of them immediately after as non-combustible waste.
● Before disposing of used lithium batteries, insulate by affixing tape to the positive and negative terminals
or by other means. In the area where used batteries are separated from other waste, dispose of them by
following the local regulations.
For detail, consult your local distributor, our sales office or your local government.
Ba
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