Radio Shack 43-3856 User Manual
Page 8
 
Installation
8
To charge the battery pack, place the handset on 
the base, face up. The base’s 
CHARGE/IN USE
indicator lights.
!
Recharge the battery pack when
TALK/BATT LOW
LED flashes.Ô
When you first use the phone after charging or 
recharging the battery pack, the phone might not 
work and you might hear error beeps. If this 
happens, place the handset to the base to change 
the digital security code.
Using a damp cloth, clean the charging contacts on 
the handset about once a month.
About once a month, fully discharge the battery 
pack by keeping the handset off the base until 
TALK/BATT LOW
LED flashes. Otherwise, the
battery pack loses its ability to fully recharge.
The supplied battery pack should last about a year. 
If the battery pack does not hold a charge for more 
than two hours after an overnight charge, replace it 
with a new 3.6V, 600 mAh battery pack with a 
connector that fits the socket in the battery 
compartment. You can order a replacement battery 
pack through your local RadioShack store (or online 
at RadioShack.com). Install the new battery pack 
and charge it for about 24 hours. 
o
If you have trouble replacing the battery pack, take 
the phone to your local RadioShack for assistance.
!
IMPORTANT
!
Be sure the battery pack is 
properly connected before 
you try to charge it. The 
CHARGE/IN USE
indicator
lights when the handset is 
on the base even if the 
battery pack is not 
connected properly.
Ô
NOTES
Ô
• If the phone does not
work, recharge the 
battery pack. (The 
battery power might be 
too low for the display to 
operate.)
• If the battery pack
becomes weak during a 
call, the handset beeps 
and 
TALK/BATT LOW
LED flashes. When this 
happens, you cannot 
make a call on the 
phone until you recharge 
the battery pack.
• If the battery pack is
completely discharged 
or the base loses power 
while the handset is 
away from it, place the 
handset on the base to 
change the digital 
security code. 
o
WARNING
o
Dispose of the old battery 
pack promptly and properly. 
Do not burn or bury it. 
There is a risk of explosion 
if battery is replaced by an 
incorrect type. Dispose of 
used batteries according to 
the instructions.
43-3856.FM Page 8 Saturday, February 28, 2004 6:45 PM