switel DF 89 serie Bedienungsanleitung Seite 137

Call timer
Your handset automatically times the duration of every call in hours, minutes
and seconds.
Setting the earpiece/loudspeaker volume
/
Muting the microphone
Internal calls
☞
Internal calls, transfers and conference calls are only possible if multiple
handsets are registered. If this is not the case Unavailable will be
indicated on the display.
Making an internal call
Int
During a call you can adjust the volume in 5 levels (if telepho-
ning "normally" -> earpiece volume, with hands-free -> loud-
speaker volume).
These seperate settings will remain at the last selected level
when you end the call.
During a call you can switch your handset's microphone off.
The display shows Mute on.
To unmute press the key again.
Press the Int softkey. If two handsets are registrated to the
base station the other handset will be called immediately.
If three or more handsets are registrated to the base station
use the keys /
OK.
Telephoning
to select the handset and press
GB
15