Panasonic KX-T7731 Corded Phone "program insructions" Questions

...insructions for changing the date and time on my KX-T7731 phone. Right now the display has 101: on it. When I push the program button, it says PITS-PGM NO? with an arrow key. I do not know what it is ...

AT&T cordless/answering machine: 4695 I am trying(wihtout success) to rescurrect this phone for a friend. I have the insruction manual and am usually am able to maneuver without problem--BUT for this ...