switel DET257 Série Mode D'emploi page 71

Other functions
Function
Switch the handset on /off
Key lock on
Key lock off
Receiver volume
Ringing melody volume
Muting/Activating micro-
phone in handset
Locate handset (paging)
Muting function
After muting the microphone, the caller can no longer hear you.
Displaying the duration of a call
The duration of a call is displayed in hours, minutes and seconds during the
call.
Registering a handset
If your handset is not registered on the base station, the INT, EXT,
icons flash in the display.
To register the handset, press the ‘ button on the base station for five
seconds and then proceed as follows:
®, y/z, REGISTER , ®, REG BASE ,
®, BASE 1 2 3 4 .
To register a handset from a different manufacturer, refer to the operating
manual supplied with the respective handset. The four−digit PIN for your
base station is 0000.
Up to five handsets can be registered on your base station. Howe-
ver, you can only activate your handset on one base station at a
time.
Button sequence
3 sec R
3 sec *
*, *
ƒ, y/z
y/z
while phone is ringing
—
during the call
‘
on the base station
Telephoning
and
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