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Controls in detail
Audio system
Functions during a single call
Switching hands-free microphone on or
off
The menu bar changes when you make or
receive a call. Instead of the
Call Lists
menu item,
Mic Off
or
Mic On
will appear.
̈ To switch off: Select
Mic Off
.
The following message will flash up on
the display:
The microphone is off
.
When the microphone is switched off
the symbol > appears in the main
area.
̈ To switch on: Select
Mic On
.
The following message will flash up on
the display:
The microphone is on
.
The microphone is switched on and the
symbol > disappears in the main area.
Sending DTMF tones
Answering machines or other devices can
be controlled via DTMF tones, e.g. for re-
mote query functions.
̈ To transmit individual characters:
During a call select the required char-
acters.
or
̈ Press the corresponding button on the
audio control unit.
Every selected character is transmitted
immediately.
̈ Transmitting a phone number of a
phone book entry as a sequence of
characters: Select
Name
.
̈ Select the desired phone book entry.
The entry is transmitted immediately as
a sequence of characters.
̈ To switch back to call display: Select
Back
.
i
This function is not possible with all mobile
phones.