User guide

75Dialog 4422 IP Office
Settings
Handset and loudspeaker volume
Use the Volume keys to change the volume of the handset or
loudspeaker during a call. Adjust the handset listening volume
when the handset is off hook. Adjust the loudspeaker volume when
dial tone is heard via the loudspeaker, or during a monitor call.
ì Press to change the volume.
The handset and loudspeaker volume level is stored.
Hearing level settings
It is possible to get +6 dB increased hearing level in the handset
and the headset.
Settings
Ô Press.
ì
Press.
Repeat until the
Hearing Level menu is framed.
Â
Press.
The current hearing level is framed and marked.
ì Press to change between the values Standard and
Increased.
Note: The Clear key can be used to leave the menu without
saving the changes.
 Press to store the framed hearing level.
í Press to return to the previous menu,
or
Settings
ÕÔ press to return to idle mode.
Standard
Increased