NEC MOBILE TERMINAL EX User Manual page 17

Placing or Removing the Sub-battery and the Calendar Battery
1.
Confirm that the power is turned off (the power lamp is OFF).
2.
Open the sub-battery cover on the rear side of the device by using a coin or the like.
3.
Now you can place or remove the sub-battery and/or the calendar battery.
CAUTION
Use tweezers or the like for cable disconnection. Nip the connection part and pull out the
cable horizontally.
CAUTION
4.
Connect the cable taking note on the connector orientation. Fit in the sub-battery cover.
CAUTION
If the calendar battery is replaced, set the clock again.
Sub-battery cover
A coin or the like
The sub-battery and the calendar battery are placed side by side. Be careful to
remove the battery required to be removed.
Trying to pull out the battery cable only by holding the cable may cause the cable
to be broken or the connector to be damaged. Always use tweezers or the like for
cable disconnection.
Be careful not to have the battery cable nipped by the sub-battery cover.
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Calendar battery
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16
Board side connector
Sub-battery