Power back-up operation
When a power failure occurs, the charged
handset temporarily supplies power to the
base unit (power back-up mode). This allows
you to make and receive calls using a handset
during a power failure. The base unit will not
perform any other functions. However, some
functions such as Call Display and phonebook
are available only when using a handset other
than the handset supplying power to the base
unit. You can program
“
Power failure
”
and the default setting is
“
Auto
”
Important:
R
If a handset is not placed on the base unit
when a power failure occurs,
“
Base no
power Press OFF
”
is displayed. After
pressing
M
OFF
N
on the handset, place it on
the base unit to start power back-up mode.
R
Power back-up mode will not work if the
battery level of the power supplying
handset is or .
R
Do not lift the power supplying handset
from the base unit during power back-up
mode.
Panasonic Ni-MH battery
performance (supplied batteries)
during power back-up mode
When the batteries are fully charged,
operating time of the handset in power
back-up mode varies depending on usage.
– Continuous use of the handset in power
back-up mode: 1.5 hours max.
– Continuous use of the handset other than a
handset in power back-up mode: 2 hours
max.
– Not in use in power back-up mode: 2 hours
max.
Making calls during a power
failure
n
When only 1 handset is registered:
1
Lift the handset and dial the phone
number.
2
Within 1 minute, place the handset on
the base unit.
R
Wait until speakerphone is turned
on automatically and the call is
made.
3
When the other party answers the call,
keep the handset on the base unit and
talk using the speakerphone.
4
When you finish talking, press
M
OFF
N
.
n
When 2 or more handsets are registered:
You should leave one handset on the base
unit for supplying the power, and use
another handset for making calls.
Note:
R
The range of the base unit is limited during
a power failure. Please use the handset
close to the base unit.
Making a call using the redial list
n
When only 1 handset is registered:
1
Lift the handset.
2
MEN
REDIAL
3
MbN
: Select the desired entry.
4
Within 1 minute, place the handset on
the base unit.
R
Wait until speakerphone is turned
on automatically and the call is
made.
n
When 2 or more handsets are registered:
You should leave one handset on the base
unit for supplying the power, and use
another handset for making calls.
Making a call using the phonebook
There must be at least 2 handsets
registered to the base unit in order for the
phonebook feature to be used during a
power failure.
You should leave one handset on the base
unit for supplying the power, and use another
handset for making calls.
18
Making/Answering Calls
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