Setting The Earpiece/Loudspeaker Volume; Muting The Microphone - switel DF 931 Bedienungsanleitung

Telephoning
Making a call from the call list
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Your handset saves the numbers of the last 50 incoming calls in the call
list. If a caller is stored in your phone book, the name and the telephone
number will be displayed.
Saving can only take place if the function "Phone number transmission
(CLIP)" is available at your connection and caller ID is not suppressed by the
caller or was not transmitted for any other reason.
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Making a call from the phone book
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You can store up to 130 entries in the phone book.
For creating entries see section "Phone book".
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Call timer
Your handset automatically times the duration of every call in hours, minutes
and seconds.

Setting the earpiece/loudspeaker volume

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Muting the microphone

During a call you can switch your handset's microphone off.
Press Menu, select Mute and press ✔. The display shows Call Muted.
For unmuting the microphone please repeat the above steps.
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Open the call list.
Select an entry.
The telephone number is being dialled.
Open the telephone book.
Select an entry.
The telephone number is being dialled.
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.