Panasonic KX-TCD950E-B Operating Instructions Manual page 31

Setting the FLASH/EARTH mode
If your unit is installed behind a PBX with an earth function, you must select the
earth mode. The factory preset is "1" (FLASH).
1
Press (Program), then
2
Press .
3
3
Enter the base unit password (p. 35).
4
Press 2 .
The current setting is displayed.
5
To select "EARTH", press
OR
To select "FLASH", press
6
When finished, press
A confirmation tone sounds.
(Intercom).
INT
2 .
, then .
1 2
(Program).
3 - - - -
3
32 I
Ex. EARTH is selected.
32 2
OR
Ex. FLASH is selected.
32 I - 2
31