NEC DT750 User Manual - page 25
of
104
1.
19
2
Offhook Ring
3
Headset Ring
4
5
6
[Incoming Call]
1/1
1
Ring Volume
Ring Tone
Illumination
Headset Ring Volume
↓
Back
OK
To disable/enable the ringing of headset, select
1 Disable or 2 Enable. Then, press
(Enter)
or
OK soft key.
[Headset Ring]
1/1
1
Disable
2
Enable
↓
Back
OK
Note:
Default setting is 1 Disable.
Note:
The currently enabled item is highlighted.