Problem Cause/solution
Noise is heard, sound cuts
in and out.
RYou are using the handset or base unit in an area with high
electrical interference. Re-position the base unit and use the
handset away from sources of interference.
RMove closer to the base unit.
RIf you use a DSL/ADSL service, we recommend connecting a
DSL/ADSL filter between the base unit and the telephone line
jack. Contact your DSL/ADSL provider for details.
Sound quality seems to be
getting worse.
RYou have registered a handset that is not recommended
(page 4). The clearest sound quality is only possible by
registering the recommended handset.
The handset does not ring. RThe ringer volume is turned off. Adjust ringer volume (page 14,
22).
RNight mode is turned on. Turn it off (page 26).
I cannot make a call. RThe dialling mode may be set incorrectly. Change the setting
(page 13).
RYou dialled a call restricted number (page 30).
RThe key lock feature is turned on. Turn it off (page 16).
Caller ID
Problem Cause/solution
Caller information is not
displayed.
RYou must subscribe to a Caller ID service. Contact your
service provider/telephone company for details.
RIf your unit is connected to any additional telephone
equipment, remove and plug the unit directly into the wall jack.
RIf you use a DSL/ADSL service, we recommend connecting a
DSL/ADSL filter between the base unit and the telephone line
jack. Contact your DSL/ADSL provider for details.
ROther telephone equipment may be interfering with this unit.
Disconnect the other equipment and try again.
Caller information is slow
to display.
RDepending on your service provider/telephone company, the
unit may display the caller’s information at the 2nd ring or later.
Set the first ring to “Off” (page 22).
RMove closer to the base unit.
Time on the unit has
shifted.
RIncorrect time information from incoming Caller ID changes the
time. Set the time adjustment to “Manual” (off) (page 22).
SMS (Short Message Service)
Problem Cause/solution
The SMS message
centre number is logged
in the caller list and the
message is not received.
RSomeone tried to send you a message while SMS is turned off.
Turn it on (page 35).
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Useful Information
PRS110FX(en)_0725_ver020.pdf 43 2013/07/25 9:56:14