Before Operating the Telephone
Speaker volume
While in a hands-free conversation
Press [ ] or [ ] to adjust the volume.
Handset/Headset volume
*1
While using the handset or headset
Press [ ] or [ ] to adjust the volume.
Ringer volume
While on-hook or receiving a call
Press [ ] or [ ] to adjust the volume.
LCD Contrast
While on-hook
1. Press the
PROG
soft button (S1).
2. Enter
.
3. Press [ENTER].
4. Press [ ] or [ ] to adjust the LCD contrast.
5. Press [ENTER].
6. Press [CANCEL].
Ring Tone
1. Press the
PROG
soft button (S1).
2. Press a flexible CO button or
[INTERCOM] 2 times.
3. Enter 2 digits (01-30) using the dial keys (0-9), or press [ ] or [ ] to
select the ring tone.
4. Press [ENTER].
5. Press [CANCEL].
*1 If you hear your own voice through the handset or headset,
decrease the volume.
13
Before Operating the Telephone
