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Problem Cause/solution
I cannot connect a cellular
p
hone to the base unit.
R Confirm that your cellular phone is turned on.
R Confirm that your cellular phone is within base unit range
(page 14).
R Depending on the state of the wireless environment, such
as the presence of any electrical interference, there may
be a delay even if the auto connection feature is turned
on. You can connect to the base unit manually (page 19).
R The cellular phone has not been paired to the base unit.
Pair the cellular phone (page 17).
I cannot hear a dial tone. R M
ake sure that the CELL 1 or CELL 2 indicator lights up
(page 15).
R The base unit’s AC adaptor or telephone line cord is not
connected. Check the connections.
R Disconnect the base unit from the telephone line and
connect the line to a known working telephone. If the
working telephone operates properly, contact our service
personnel to have the unit repaired. If the working
telephone does not operate properly, contact your service
provider/telephone company.
The base unit beeps. R N
ew messages have been recorded. Listen to the new
messages (page 57).
Programmable settings
Problem Cause/solution
The display is in a language I
c
annot read.
R Change the display language (page 16).
I cannot register a handset to a
b
ase unit.
R The maximum number of handsets (6) is already
registered to the base unit. Cancel unused handset
registrations from the base unit (page 47).
Battery recharge
Problem Cause/solution
The handset beeps and/or
flashes.
R B
attery charge is low. Fully charge the batteries (page 11).
I fully charged the batteries, but
–
still flashes,
– is displayed, or
–
the operating time seems to
be shorter.
R C
lean the battery ends (
, ) and the charge contacts
w
ith a dry cloth and charge again.
R It is time to replace the batteries (page 11).
70
For assistance, please visit http://www.panasonic.com/help
Useful Information
TG78xx(en)_1210_ver101.pdf 70 2012/12/10 21:19:31