Time Change Instructions for NEC SV8300

From an idle NEC telephone

  1. Press the following keys in order: 2286633#
  2. Press HOLD (CAT mode should show on the display)
  3. Press the (ST) softkey
  4. After pressing (ST) you will enter 02 on the keys followed by pressing (DE)
  5. Next Enter 2 on the keypad, then Press (DE) again
  6. Now enter the current time in 24-hour time format HH MM SS
    i.e. 4:01 pm would be entered at 160100
  7. Then press the (EXE) button

Once you are done press the Exit soft key or lift and replace the handset of the telephone. The time will update genbreally with in a minute.