Operation Operating time
Not in use (standby) 4 hours max.
Note:
R B
attery performance depends on the type of batteries.
R Actual battery performance depends on usage and ambient environment.
R If the base unit is running on battery power, the brightness of the message counter on the
base unit is reduced to save battery power.
R When the base unit is running on battery power, the maximum ringer volume of the base unit
will be reduced.
R If your phone service provider requires additional devices in order to make and receive calls,
such as a modem, you may still not be able to make and receive calls even if the base unit’s
backup power feature is functioning.
Base unit battery installation (for replacement)
Important:
R The following AAA (R03) size batteries can be used with the base unit:
– Rechargeable Ni-MH batteries
*1
– Standard (non-rechargeable) alkaline batteries
*2
R Do NOT use manganese batteries.
R Confirm correct polarities (
, ).
*
1 The base unit can fully charge Ni-MH batteries in about 15 hours.
*2 If the rechargeable batteries become depleted during a power failure, you can insert alkaline
batteries into the base unit. Remove the alkaline batteries when power is restored.
1 Disconnect the telephone line cord (A).
2 Open the battery cover (B).
3 Install the batteries in the battery compartment (C).
4 Close the cover (D), then reconnect the telephone line cord
(E).
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