Panasonic KX-TDA15 User Manual page 180

4.1 Troubleshooting
Problem
I cannot send a call waiting tone to the
dialled extension.
I forgot the password.
The background music started suddenly.
I do not want to display a number which
is stored in memory.
I want to confirm my extension number.
The date and time are not correct.
The display is not shown well.
I want to distinguish the tones.
The MESSAGE button light lit.
180 User Manual
Remedy
• The other party has not set the Call Waiting
feature.
( Sending a Call Waiting Tone (Call
Waiting), 1.4.4 Answering Call Waiting, 1.7.3
Receiving Call Waiting (Call Waiting/Off-hook
Call Announcement [OHCA]/Whisper OHCA))
• The other party has set Data Line Security.
( 1.7.9 Protecting Your Line against
Notification Tones (Data Line Security))
• Ask the manager to assist you.
( 2.1.1 Extension Control)
• Turn off the music.
( 1.7.8 Turning on the Background Music
(BGM), 2.1.4 Turning on the External
Background Music (BGM))
• Conceal the number.
( Storing Names and Numbers, 3.1.3
Customising the Buttons)
• ( Your Extension Number in 1.1.1 Before
Operating the Telephones)
• Set the date and time by system
programming. (
System Programming)
• Change the Display contrast level.
( 3.1.2 Settings on the Programming Mode)
• ( To distinguish the ringing tones for each
CO, INTERCOM or ICD Group button (Digital
proprietary telephone only), 3.1.3 Customising
the Buttons)
• Another extension left you a message
waiting indication while you were on the
phone or away from your desk.
Date & Time [000] in 3.3.2