Time Change Instructions for Executone CS 816
- From station 100, take the handset off-hook.
- Dial "*".
- Dial "7764" (PROG).
- Press the "FLASH" button.
- Dial "28".
- Enter time and date as follows: YYMMDDHHMMSS.
- Press the "HOLD" button.
Enter time and date in the following formats-
- Year (YY) =00-99
- Month (MM) =01-12
- Day (DD) =0-31
- Hour (HH) =00-24
- Minute (MM) =00-60
- Second (SS) =00-60