Panasonic KX-T3155A Operation Manual page 5

@ Ringer Volume Selector; Set to LLHIGHw.
LOW:
The ringing sound will be low.
OFF:
The telephone will not ring.
Select each line.
@ Dialing Mode Selector: Set to "TONE".
If dialing cannot be done, sel
to
"PULSE".
Confirm use of each line.
Pulse-or-tone dialing capability.
@ insert the batteries (Included).
For further details, see page 21.
@ C.O.L. Selector; Set to "LlL2".
For further details, see page 19.
@ Recall Selector: Set to "E RE"
or
"T BR".
(dopending on PBX type)
E RE
...
for PBX earth recall facility.
T BR
...
for PBX timed break register recall
facility.
@ Llne Mode Selectors; Set to "A".
Select each line.
For further details, see page 19.