26
General Information
Making Calls
Making Calls
General Information
Description of Operating
Steps
The following descriptions lists the
respective softkey functions which
are shown above the left and right
softkeys during the corresponding
situation of operation. These func-
tions can be activated by pressing
the arrow keys or the
OK
softkey.
Switching the Device
Off/On
Your handset is after the first charg-
ing of the battery automatically
switched on and operational. You
can switch off the handset to main-
tain the charge state of your battery
for longer.
Switching the Handset Off
Long key press the
D
key.
Switching the Handset On
Long key press the
E
key.
No ringer or alarm signal is emitted
(e.g. for an appointment call) while
the handset is switched off.
Open Listening /
Hands-Free Usage
To allow several people in the same
room to take part in a call, press ei-
ther before or during a connection
the receiver key
A
(
long
key press).
Repeat the process to switch off. You
will achieve the best quality when
neither the loudspeaker nor the mi-
crophone are covered.
Setting the volume
During a call you can adjust the
speaker or earpiece volume to one of
seven levels. The current setting will
be shown in your display.
To adjust the earpiece volume, press
the arrow keys; to adjust the loud-
speaker volume, switch the loud-
speaker on (press the receiver key
A
) and then press the arrow keys.
Muting
During a call you can switch your
handset's microphone off with
Mute
. The person at the other end
of the line can no longer hear you.
Unmute
switches it back on.
Summary of Contents for OpenPhone 28
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