Initial Setting
Controlling the volume/adjusting the display contrast
Speaker volume
1 Press the SP-PHONE/MONITOR button.
2 Rotate the Jog Dial in the desired direction.
Handset/Headset volume*
1 Lift the handset. (Press the SP-PHONE/MONITOR button for headset volume.)
2 Rotate the Jog Dial in the desired direction.
* The handset/headset volume may be restricted in your country. Consult your dealer for
details.
For KX-T7531 Users
Display contrast
While idle and on-hook
1 Press the MODE button six
times.
Display:
2 Rotate the Jog Dial in the
desired direction.
For KX-T7533 and KX-T7536 Users
Display contrast
While on-hook or during a
conversation
1 Press the CONT (S1) button.
Display:
2 Rotate the Jog Dial in the
desired direction.
For KX-T7550 Users
Ringer volume
1 Adjust the RINGER volume
selector lever to the desired
setting.
6
Contrast:
Contrast:
Ringer volume
While idle and on-hook
1 Press the MODE button five
times.
Display:
Ringer:
2 Rotate the Jog Dial in the
desired direction.
Ringer volume
While idle and on-hook
1 Press the RING (S2) button.
Display:
Ringer:
2 Rotate the Jog Dial in the
desired direction.
<Side view of KX-T7550>