Ericsson DIALOG 4220 User Manual
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Dialog 4220 Lite/Dialog 4222 Office
Accessories
To activate Headset Preset:
Í
Press and hold for at least 4 seconds.
A short acknowledgement tone signal is heard, and the headset
key lamp flashes for a few seconds.
To cancel Headset Preset:
Â
Press and hold for at least 4 seconds.
A short acknowledgement tone signal is heard, and the
loudspeaker key lamp flashes for a few seconds.
To check the current preset setting:
Ô
Line 1
Press.
Either the Loudspeaker or Headset key lamp is turned on,
indicating the current preset setting.
í
Press.
Headset volume
Use the Volume keys to change the volume of the headset.
ì
Press to change the volume.
On the Dialog 4222 Office phone, a volume symbol is shown for a
few seconds (replacing your extension number). The set headset
volume level is stored.
To adjust the volume for the loudspeaker of the phone during
Group listening:
П
Н
Press.
ì
Press to change the volume.
On the Dialog 4222 Office phone, a volume symbol is shown for a
few seconds (replacing your extension number). The loudspeaker
volume level is stored.
Н В
Press.
For people with impaired hearing, the headset hearing volume level
can be extra amplified, use the same procedure as in section