Panasonic KX-TD500 System Reference Manual page 1336

Operation
• To set "Ringing Line
Preference", dial "2".
• To set "Prime Line
Preference", press one of the
following buttons:
PDN
SDN
Private CO
Single CO
Group CO
4. Press the MEMORY button
to store the programming.
Exits from the programming
mode
5. Reset the MEMORY switch
to SET.
SET• • PROGRAM
MEMORY
• With DPITS, press the
PROGRAM button or
change the handset from
off-hook to on-hook.
Result
• The following message
appears on the display:
Pref. In : Idle
<Example 1>
When you press a DN button,
the number of the pressed
button appears on the display:
Pref. In : DN-xx
<Example 2>
When press the PDN-01 button,
the following message appears
on the display:
Pref. In : DN-01
• The MEMORY button indicator
lights red.
• A confirmation tone sounds.
• "Initial display for PITS
station programming mode" is
displayed again on the display.
• The PITS station programming
mode is ended and returns
to the operation mode.
13-C-24
Comment/Note
• Pressing a wrong button is
cleared by pressing a correct
button.
• If an inaccessible button is
pressed, alarm tone sounds.
Continued