User guide

81Dialog 4425 IP Vision
Accessories
To activate Headset Preset:
Í
Press and hold for at least 4 seconds.
A short acknowledgement tone signal is heard, and the Headset
icon is displayed.
To cancel Headset Preset:
 Press and hold for at least 4 seconds.
A short acknowledgement tone signal is heard, and the Headset
icon is switched off.
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.
The set headset volume level is stored.
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 volume” on page 76.
Pull-out leaf (optional)
The pull-out leaf is used for a personal phone number list and is
installed under the phone. How to install the pull-out leaf, see
section “Installation” on page 92.
Use the Designation Card Manager to make and print your own
card for the pull-out leaf. The Designation Card Manager is
included on the Telephone Toolbox CD for MD110 Communication
System. For more information, please contact your Ericsson
Enterprise certified sales partner.