switel DF 83 series, Руководство по эксплуатации

Страница: 84 / 100

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Telephoning
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Holding a call / brokering
While a call is in progress, it is possible to dial another handset in
order to consult with someone. The external caller is put on hold while
you converse with the second, internal person called. You can repeat
this procedure as often as required.
HS1:
¹
, e.g.
2
Dial the internal call number of the
handset required during the
external call
HS2:
(
Take the internal call on the other
handset
HS1:
¹
Switch between callers
Making conference calls
An external call can be transferred to include another internal handset
for a conference call.
HS1:
¹
, e.g.
2
Dial the internal call number of the
handset required during the
external call
HS2:
(
Take the internal call on the other
handset
HS1:
*
Start the conference facility
HS1 / HS2:
)
End the conference
Setting the receiver volume
The volume can be adjusted to one of 5 levels during a call.
«
or
´
Select the volume required
Handsfree
This function is used to listen to the caller via the loudspeaker.
(
Activate the handsfree facility
(
Deactivate the handsfree facility
Displaying the duration of a call
The duration of a call is displayed in hours, minutes and seconds dur-
ing the call.
Muting the microphone in the handset
The microphone in the handset can be activated and deactivated dur-
ing a telephone conversation.
Mute Deactivate the microphone
(muting function)
Mute
Activate the microphone
Key lock
The key lock feature prevents functions assigned to buttons being
activated accidentally.
3 sec.
*
Activate the key lock function.
3 sec.
*
Deactivate the key lock function
Incoming calls can still be taken in the normal way even
when the key lock function is activated. If another button is
pressed, you hear a long acoustic signal. The back−lighting
does not switch on.
Searching for the handset (Paging)
If you have mislaid your handset, you can locate it again with the aid
of a search tone.
˜ {«}
Start the search tone
˜
or
©
End the search tone
Switching the handset off and on
You can switch the handset off to save the battery pack.
3 sec.
)
Switch the handset off
3 sec.
)
Switch the handset on
The back−lighting does not light up when the handset is swit-
ched on.