Panasonic KX-T336 System Reference Manual page 217

Conditions
To select this screen, press the NEXT key in the "Extension-Station (U3)"
screen.
Only the PF3 button on PITS type 50 and KX-T7050 can be programmed to the
FWD/DND button.
Only the PFl button on PITS type 50, KX-T7020 and KX-T7030 can be
programmed to the SNR button.
Function
The following funcitons appear on the function line of this setting screen.
COMMON (SHOW LV, CHG LV, INS, OUS, REMOVE, EXIT) and HRD CPY keys
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 7-l "Operatin
of Funciton Keys." Only messages are provided here.
1 INDEX>Station Equipment No. (Physical
~o./DNxxxx)= d
1 READ>Station Equipment No. (Physical No./DNxxxx)= i
9-G-i 4