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8
Getting Started
Press tab to open
battery compartment.
LOW BATTERY
Caution: Use only supplied
rechargeable battery or AT&T
replacement battery model 2420 (SKU
00578. Part number 80-5542-00-00).
Low battery indicator
Return handset to base to
recharge when this symbol
flashes. (Handset will beep
when battery is low.)
Insert supplied
battery.
Place handset in base to charge
for 15 hours before first use.
Battery installation & charging
After battery installation, place the handset in the base unit and allow to charge for 15
hours before use. You can keep the batteries charged by returning the handsets to their
base unit or charger after each use. When the battery is fully depleted, a recharge takes
about 12 hours. Average talk time on a fully charged battery is about eight hours depending
on environmental conditions, standby time is approximately four days.
Replace
compartment cover.
91-000461-010-000-E5603B manual July0105.qxd 2/13/1950 7:21 PM Page 8