Panasonic KX-TD500 System Reference Manual page 1352

9.03 Exiting Charge Management Mode
Operation
Exits from the programming
mode
1. With APITS, reset the
MEMORY switch to SET .
SET• • PROGRAM
MEMORY
• With DPITS, press the
PROGRAM button or
change the handset from
off-hook to on-hook.
Display/Indicator/Tone
13-C-40
Comment/Note