Ericsson Dialog 4224 Operator User Manual page 8

Description
8
13 Mute
To switch the microphone on or off. See section
page 37.
14 Loudspeaker on/off
To switch the loudspeaker on or off. See section
page 37.
15 Headset key
See section "Headset - Dialog 4224
16 Answer/Extend / Enter
a. To answer/extend calls. See sections
page 21,
page 47,
Features" on page 88.
b. To enter/select information. See sections "Attendance" on
page 19 and "Messages" on page 64.
17 Volume control
To adjust the volume. Also space/backspace in writing mode. See
sections "Settings" on page 95 and
18 Microphone
19 Optional key panel
17 Dual-Function programmable keys per key panel.
Four panels can be connected.
Note: Use only optional key panels of type DBY 419 01.
20 Loudspeaker
21 Handset with hearing aid function
Please note: The handset may attract and retain small
metal objects in the earcap region.
"Outgoing Calls" on page 23,
"Group Features" on page 78 and
BusinessPhone – Dialog 4224 Operator / Dialog 3214
"During Calls" on
"During
Operator" on page 107.
"Incoming Calls" on
"Call Metering" on
"Other Useful
"Write Text" on page 94.
Calls" on