Panasonic KX-TD500 System Reference Manual page 1365

10.00 Handset/Headset
Selection
Allows you to select the operation mode of the
DPITS handset or headset. (APITS provides a
selection switch on the handset and headset
Operation
To enter to the programming
mode:
1. Press the PROGRAM
button.
2. Dial "05".
3. To change the handset or
headset mode, enter 1 or 2.
• To select the handset mode,
enter "1".
• To select the headset mode,
enter "2".
which controls the operation mode of APITS.)
Refer to Section 4-A-2.02 "Controls - APITS".
Result
• The following message
appears:
PITS-PGM No.?
• The MEMORY button indicator
lights red.
• The Current setting appears.
<Example>
Handset
• The MEMORY button indicator
light goes out.
• The following message
appears:
Handset
• The following message
appears:
Headset
13-C-53
Comment/Note
• This status is called "Initial
display for PITS-station
programming mode".
• If the following message
appears on the display, the
programming data of your
PITS has already been
accessed by another
administration device.
Already Accessed
• If the END button is pressed
while programming, the
message above appears on
the display again.
• If nothing is entered within one
minute after dialing "05", "Initial
display for PITS station
programming mode" is shown.