Panasonic KX-TD500 System Reference Manual page 396

5.00 DPITS Special Display-LCD
5.01 Display Contrast Adjustment
(KX-T7230 and KX-T7235 only)
Description
A Soft button and the VOLUME Control button
are used to adjust the display contrast. The
contrast level is indicated on the display by the
number of asterisks. (Level 1 through 4)
Programming
None
Conditions
None
Operation
You can adjust the contrast level in the following
conditions:
1.) When on-hook status.
2.) While having a CO/extension call in progress.
1. Press the CONT (S1) button.
CONT
S1
2. Press the VOLUME (UP Z
DOWN X ) Control button.
VOLUME
• The display shows:
<Example> (Contrast level 3)
Contrast: ***
5.02 Volume Control — Handset
Receiver / Headset / Ringer / Speaker
Description
Allows you to adjust the following volumes as
desired:
— Handset Receiver volume (level 1 through 4)
— Headset volume (level 1 through 4)
— Ringer volume (level 0 through 3)
— Speaker volume (level 1 through 12)
If your DPT is provided with the display (display
DPT), the volume level is indicated on the display
by the number of asterisks. For ringer volume
adjustment, three levels (OFF/LOW/HIGH) are
available with the KX-T7220 and the KX-T7250.
Programming
None
Conditions
None
Operation
To adjust the handset receiver volume
1. Lift the handset.
2. Press the VOLUME (UP Z
DOWN X ) Control button.
VOLUME
• The display shows:
<Example>
• You may also adjust the
4-A-30
(Volume level 3)
Handset: ***
handset receiver volume during
conversation using the handset
receiver.