Panasonic KX-TD500 System Reference Manual page 1284

Operation
To exit from the programming
mode (See 12 - C - 1.02)
Operation chart for setting date and time
<Status 1>
Note:
In PITS system programming mode, you can return to
"Initial display for PITS system programming mode"
(Status 1) by pressing the END button.
Result
PITS system programming
mode
SYS-PGM No?
Initial display for PITS system programming
mode.
The current date and time appears on
the display.
The MEMORY button indicator light goes
out.
Dialed number appears on the display.
Confirmation tone sounds.
The MEMORY button indicator lights in
red.
12-C-6
Comment/Note
Dial "0 0".
• Dial the date and time.
• To clear a wrong entry, press the END
button, then dial "0 0" and enter again.
Press the MEMORY button to store the
entry.
Continued
Operation
Result from the
operation