Low Battery Indication; Check Ac Power Indication - Sprint 1733 Owner's Manual

During a Low Battery condition, the
Handset LCD will display:
When this occurs, you should either
return the Handset to the Base Unit for
recharging, or exchange the drained
Handset battery with an optional fully
charged battery from the Spare Battery
charger.
CHECK AC POWER
INDICATION
A charge, spare battery (optional)
installed in the Base Unit will allow you
to make and receive calls from the
Handset in the event of a power failure,
for approximately 4 hours.During
power back-up mode, the Handset will
display:
If your Sprint 1733 displays this
message, and AC power is present,
check the electrical outlet and the AC
adapter, ensuring that it is firmly
connected to the outlet and the Base
Unit.