Panasonic KX-TD500 User Manual page 248

5.1 Troubleshooting
Problem
The personal computer and facsimile
communication failed.
I cannot send a call waiting tone to the
dialled extension.
I forgot the lock code / Live Call
Screening Password.
The background music started suddenly.
I do not want to display a number which
is stored in memory.
The display does not show the message
described in the manual.
I want to confirm my extension number
and extension port physical number.
The date and time are not correct.
The display is abnormal.
I want to distinguish the tones.
I hear a warning tone from the telephone. •
The MESSAGE button light lit.
248
• An indication tone may have interrupted communication.
( "2.7.11 Protecting Your Line against Indication
Tones (Data Line Security)")
• The other party has not set the Call Waiting feature.
( "Sending a call waiting tone (Busy Station Signalling
[BSS]) in "2.2.4 When the Dialled Line is Busy or There
is No Answer," "2.7.3 Receiving a Call Waiting (Call
Waiting / Off-Hook Call Announcement [OHCA] / Whisper
OHCA)")
• The other party has set Data Line Security.
( "2.7.11 Protecting Your Line against Indication
Tones (Data Line Security)")
Ask the Manager or an Operator to assist you.
( "3.1.4 Changing the Settings (Station
Programming)")
Turn off the music.
( "2.7.10 Turning on the Background Music (BGM),"
"3.2.1 Turning on the External Background Music
(Background Music [BGM] — External)")
Conceal the number. (
numbers for station speed dialling" in
"2.10.4 Using the KX-T7531, KX-T7533, KX-T7536 or
KX-T7235")
• The telephone is not a Panasonic Proprietary Telephone.
This manual shows messages which appear only on
Panasonic Proprietary Telephones (e.g. KX-T7536).
( "Display" in "2.1 Before Operating the Telephones")
( "To confirm your own extension number" in
"4.1 Customising Your Phone (Station Programming)")
• Set the date and time by User Programming.
( "4.3.1 Date and Time Set (000)")
• The lithium battery for memory back-up needs to be
replaced.
Consult your dealer.
( "To confirm the current setting" and "To clear all
setting" in "4.1.1 Initial Settings," "To distinguish the ringing
tones for each CO button (Digital Proprietary Telephone
only) in "4.1.2 Customising the Buttons")
The handset was off-hook in an idle status for an
extended period of time.
Replace the handset.
• Another extension left you a message waiting indication
during you were on the phone or not at your desk.
Remedy
"Storing the names and
Appendix