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Description
8
13
Loudspeaker on/off
a. To activate Group listening. See section
page 38.
b. To activate handsfree conversation. See section
on page 38.
c. To activate Loudspeaker Preset. See section
on page 92.
14
Mute
a. To switch the microphone on or off during a call. See section
"Mute" on page 39.
b. To switch off the ring signal in idle mode or when ringing. See
sections
page 84.
15
Volume control
To change the volume. See section "Settings" on page 77.
16
Loudspeaker
17
Handset
Supplied with hearing aid function as standard. An extra handset
can be connected, see section "Accessories" on page 90.
Please note: The handset may attract and retain small
metal objects in the earcap region.
18
Pull-out leaf for easy guide (optional)
See section
"Pull-out leaf
19
Key panel
With 17 programmable keys. Up to four panels can be connected.
See section
"Key
Manager to make and print your own key panel designation cards,
see below.
Notes:
Depending on the system version, the Dialog 4223
Professional phone can be delivered with one key panel as
standard.
The possible number of key panels is system version
dependent.
"Mute ring
signal" on page 84 and
(optional)" on page 94.
panel" on page 90. Use the Designation Card
"During
Calls" on
"During
Calls"
"Headset
Preset"
"Silent
ringing" on
Dialog 4223 Professional
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