Panasonic KX-TD816 User Manual page 218

6.1 Troubleshooting
Problem
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 jack number.
The date and time are not correct.
The display is not shown well.
I want to distinguish the tones.
I hear a warning tone from the
telephone.
The MESSAGE button light lit.
218
Turn off the music.
( 2.7.7 Turning on the Background Music,
3.2.2 Turning on the External Background Music)
Conceal the number.
( Refer to "Storing the names and numbers for station
speed dialling" in 2.9.4 Using the KX-T7433, KX-T7436
or KX-T7235,4.1.3 Customising the Buttons)
• The telephone is not a Panasonic proprietary
telephone.
This manual shows messages which appear only on
Panasonic proprietary telephones (e.g. KX-T7436).(
2.1.1 Before Operating the Telephones)
( 4.2.1 Programming Information)
• Set the date and time by system programming. (
4.2.2 Date and Time Set (000))
• The lithium battery for memory back-up needs to be
replaced.
Consult your dealer.
( 4.1.2 Initial Settings,
4.1.3 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 left your
desk.
Remedy
Appendix