Panasonic KX-T7630 - Call Waiting Notification; Set extension to receive call waiting(from external calls); OHCA (Off Hook Call Announcement - 7600 series handsets only); Set Extension

Pin 62 of IC3
L KX-T7636 24 digits * 6 lines
H KX-T7630/KX-
T7633
24 digits * 3 lines
The lighting of the backlight is controlled by Q1.
- IC3-pin 56H Q1-ON Backlight ON
- IC3-pin 56L Q1-OFF Backlight OFF
14