The basics – Radio Shack 43-5862 User Manual
Page 20
 
The Basics
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Install	the	Optional	Power	Backup	Battery	
in	the	Base
The battery backup allows you to 
make and receive calls during a power 
failure. You can use any handset or the 
base, just as you would normally. 
Push the battery tray on the right 
side of the base until it clicks.
The lock for the battery tray is 
released, and the battery tray 
comes out halfway.
Pull out the battery tray at all the 
way.
Place the battery pack in the 
battery tray facing the label of the 
battery pack downwards so that 
connectors on the battery and on 
the tray are aligned.
Push the battery tray back in until 
it locks up. If it doesn’t lock, pull 
out the battery tray once more, 
and retry to push in.
You can order an optional battery pack for power backup (3.6-
volt, 900 mAh) through your local 
RadioShack store.
NOTES
appears in the base display as a warning that
the backup battery pack is NOT installed in the 
base unit. 
To use the backup battery Feature you need to 
connect the AC adapter to the base, and charge 
the base battery for at least 24 hours.
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