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3. MAINTENANCE, TROUBLESHOOTING
3-8
3.6 Replacement of Battery
The processor unit has a battery that stores data when the power is turned off.
When the battery voltage is low, the message “BATTERY!” appears on the
display. Have a qualified technician replace the battery, following the procedure
below. The life of the battery is 3-5 years.
Battery Location Type Code No.
Processor Unit CR2450-F2ST2L 000-144-941
1. Press the [MENU] key to open the menu.
2. Choose SYS SETUP and then press the [ENT] key.
3. Choose “EXCHANGE BATTERY?” and then press the [ENT] key.
EXCHANGE BATT?
ARE YOU SURE?
YES NO
Prompt for exchanging battery
4. Press ◄ to choose YES and then press the [ENT] key. The following
message appears.
READY FOR
BATTERY CHANGE.
TURN OFF THE
UNIT.
Prompt for turning off the power
5. At this time the contents of the RAM are temporarily moved to the flash
memory. Turn off the power.
6. Have a qualified technician replace the battery.
Note: If the equipped will not be used for a long period of time, save data by
following the above procedure. This will prevent loss of data even if the
battery dies.