Ericsson DIALOG 4223 PROFESSIONAL - MANUAL 3 User Manual page 93

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Dialog 4223 Professional
To activate Headset Preset:
Press and hold for at least 4 seconds.
A short acknowledgement tone signal is heard, and
is displayed for a few seconds.
Preset
To cancel Headset Preset:
Press and hold for at least 4 seconds.
A short acknowledgement tone signal is heard, and
is displayed for a few seconds.
Preset
To check the current preset setting:
Press.
Either the Loudspeaker or Headset key lamp is turned on,
indicating the current preset setting.
Press.
Headset volume
Use the Volume keys to change the volume of the headset.
Press to change the volume.
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:
Press.
Press to change the volume.
A volume symbol is shown for a few seconds (replacing your
extension number). The Loudspeaker volume level is stored.
Press.
For people with impaired hearing, the headset hearing volume level
can be extra amplified, use the same procedure as described in
section "Handset and loudspeaker
Headset
Loudspeaker
volume" on page 83.
Accessories
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