The time shown on every display telephone can be changed. This should only be set on a system not using Network Time Synchronization.
1408/1416/9504/9508 Phone
1.At either of the first two extensions on the system, press Admin.
•To do the above during a call, you may need to press the 
PHONE button to display the Admin soft key option. If you access phone administration during a call, only the 
SPEAKER, 
MUTE and 
HEADSET buttons still affect the connected call.
2.Use the 
up or down 
arrow buttons to scroll the display to System Administration. When highlighted, press Select.
3.Use the up or down arrow buttons to scroll the display to System Parameters. When highlighted, press Select.
•Alternatively, dial # and the system administration code.
4.Use the up or down arrow buttons to scroll the display to System Time. When highlighted, press Select.
5.Enter the new system date in the format HHMM using the dial pad. The 24 hour clock is used, for example 4.22pm would be entered as 1622.
•Exit programming by pressing PHONE. Alternatively use the Back button to move to another menu.
M7324/M7324N/M7310/M7310N/T7316/T7316E Phone
1.At either of the first two extensions on the system, press 
Feature **config (ie. Feature **266344).
•If the system has a system password set, it is requested. Enter the password.
2.The phone displays System Admin.
3.Dial #103. The phone will display System Time.
4.Enter the new time in the format HH:MM. The 24 hour clock is used, for example 4.22pm would be entered as 1622.
•To exit phone based administration at any time, press the Release button. To select a different process use the Next Procedure or Previous Procedure buttons or dial another feature code.
ETR 18D/ETR 34D Phone
1.At either or the first two extensions on the system, press Feature 0 0 followed by two presses of the first intercom or call appearance button.
2.System Administration: is shown on the display.
3.Dial #103. The phone will display System Time.
4.Enter the new time in the format HH:MM. The 24 hour clock is used, for example 4.22pm would be entered as 1622.
•Exit programming by pressing Feature 00. You can also exit programming mode by lifting the handset, then placing it back in the cradle.