Before Operating the Telephone
Speaker volume
While in a hands-free conversation
P
ress [
] or [ ] to adjust the volume.
Handset/Headset volume
*
1
While using the handset or headset
P
ress [
] or [ ] to adjust the volume.
Ringer volume
While on-hook or receiving a call
P
ress [
] or [ ] to adjust the volume.
LCD Contrast
While on-hook
1. Press the
soft button (S1).
*
2
2. Enter
.
3
. Press [ENTER].
*3
4. Press [
] or [ ] to adjust the LCD contrast.
5. Press [ENTER].
*3
6. Press [CANCEL].
*2
Ring Tone
1. Press the
soft button (S1).
*
2
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
s
elect the ring tone.
4. Press [ENTER].
*3
5. Press [CANCEL].
*2
*1 If you hear your own voice through the handset or headset, decrease the
v
olume.
*2 For KX-DT521, press [PAUSE/PROGRAM].
*3 For KX-DT521, press [AUTO DIAL/STORE].
10
Before Operating the Telephone