Panasonic KX-TD500 System Reference Manual page 1047

Function
The following functions appear on the function line of this setting screen.
1 COMMON 2 INDEX
COMMON (SHOW LV, CHG LV, INS, OUS,
are available in all setting screens. INDEX and READ keys are also available in
this screen. The operation of function keys are described in Section 8-I "Operation
of Function Keys". Only messages are provided here.
INDEX>Trunk Equipment No. (Physical No.)=
:
F2
1 2
READ>Physical No.=
:
F4
1 2
3 4 READ 5
REMOVE,
3 4
3 4
6 HRD CPY 7
EXIT) and HRD CPY keys
5 6
5 6
10-F-5
8
7 EXIT 8
7 EXIT 8