Panasonic KX-TA624 - Manual (Page 25)

PT Overview 1-13
1.1 Configuration
Initial Settings
Display Contrast Adjustment (KX-T7030 and KX-T7130 only)
The CONTRAST selector is used to adjust the display contrast.
PT
HIGH LOW
MID
CONTRAST
Adjust the CONTRAST lever to the
desired setting (LOW/MID/HIGH).
PT
HANDSET HEADSET
Adjust the HANDSET/HEADSET
lever to “HEADSET”.
When using the headset (KX-T7030 and KX-T7130 only)
The Panasonic Advanced Hybrid System supports the use of a headset on a proprietary
telephone (PT). When you use the headset (optional), you should switch the selection
mode first.