Dialog 4223 Professional - Manual (Page 8)

Description
Dialog 4223 Professional 8
13 Loudspeaker on/off
a. To activate Group Listening. See section “ During Calls ” on
page 38.
b. To activate handsfree conversation. See section “ During Calls ”
on page 38.
c. To activate Loudspeaker Preset. See section “ Headset Preset ”
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 “ Mute ring signal ” on page 84 and “ Silent Ringing ” on
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 (optional) ” on page 94.
19 Key panel
With 17 programmable keys. Up to four panels can be connected.
See section “ Key panel ” on page 90. Use the Designation Card
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.