Panasonic KX-TG6521E User Manual

Page of 52
Useful Information
45
Helpline Tel. No.: U.K. 0844 844 3898 R.O.I. 01289 8333
*1 KX-TG6521/KX-TG6522/KX-TG6523/KX-TG6524
Noise is heard, sound cuts in 
and out.
L
You 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.
L
Move closer to the base unit.
L
If 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.
L
Unplug the base unit’s AC adaptor to reset the 
unit and turn off the handset. Reconnect the 
adaptor, turn on the handset and try again.
Sound quality seems to be 
getting worse.
L
You 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.
L
The ringer volume is turned off. Adjust ringer 
volume (page 24).
The base unit does not ring.
L
The ringer volume is turned off. Adjust ringer 
volume (page 24).
I cannot make a call.
L
The handset is too far from the base unit. 
Move closer and try again.
L
Another unit is in use. Wait and try again later.
L
Answering system is being used.
 Wait and 
try again later.
L
The key lock feature is turned on. Turn it off
(page 19).
Problem
Cause/solution
TG6511-6521E(e).book  Page 45  Monday, January 11, 2010  8:48 AM