Should it ever become necessary to correct the date and time displayed on all of the keysets, just follow these simple steps to quickly and easily do so.

The display format is the following:
W (Day of the week): Enter 0 for Sunday and 6 for Saturday.
MM (Month): Enter 01 for January and 12 for December.
DD (Day of the month): Enter a number in the range of 01-31.
YY (Year): Enter the last two digits of the year.
HH (Hours): Use the 24 hour clock and enter a number in the range of 00-24.
MM (Minutes): Enter a number in the range of 00-59.

• While your handset is on-hook, press TRSF and then dial 200.
  The display shows [ENABLE CUS.PROG.PASSCODE].
  
• Dial the for digit passcode 1234.
  The display shows [ENABLE CUS.PROG.-DISABLE].
  
• Dial 1 to enable.
  The display shows [ENABLE CUS.PROG.-ENABLE].
  
• Press TRSF. The keyset returns to its idle condition.
• You are now ready to program the new date and time, just follow the steps below:

ACTION		DISPLAY
Press TRSF and then dial 505		OLD: 6010184:0047 NEW: WMMDDYY:HHMM
Enter the new time and date using the above format and the system will return to step 2		OLD: 6010184:0047 NEW: 3020994:1445
Verify the time and date and reenter them if necessary		OLD: 3020994:1445 NEW: WMMDDYY:HHMM
Press TRSF to store and exit programming

If you have entered invalid data, you will receive an [INVALID ENTRY] message for three seconds. Reenter the correct date and time. If the information you entered is incorrect, repeat the procedure.

Failure to enter the time using the 24 hour clock will cause the date to change at 12:00 PM.