About Your Phone, Battery and SIM Card
16
English
To ensure that you enjoy maximum battery life and use your 
battery to its fullest capacity:
•
The battery should be at or near room temperature when 
charging.
Battery Performance and Maintenance
•
Best battery performance will be achieved when you regularly 
charge and discharge batteries as instructed in this manual.
•
Battery performance is greatly affected by network coverage.
•
Set Battery Saving Mode to On (see ‘Phone Setup Menu’) 
and/or Frequency of Search  to Slow or Medium (see 
‘Network Selection Menu’).
•
If left unused, a fully charged battery will discharge itself in 
approximately one month.
•
When not in use, store your battery uncharged in a cool, dark 
and dry place.
Low Battery Warning
When the battery level is low and only a few minutes of talk time 
remain, a warning signal (two double beeps) will sound, the 
border of the battery symbol will begin to flash, and Low 
Battery will be displayed.
When the battery is completely discharged, your phone will turn 
off.
Removing Your Battery
! Switch off your phone before removing the battery. 
Failure to do so may damage your phone memory.
1
Press the release catch on the battery compartment and lift off 
the cover.
2
Push the battery towards the top of the phone and lift the 
battery out from the bottom end.
cd900_en.bk : abtphone.fm5  Page 16  Wednesday, August 19, 1998  12:07 PM