Executone / Encore CX 

• At the Operator’s Phone, dial 299.
• Enter date and time in the following format  YYMMDDHHMM.
• Time will be updated.

Executone / Encore Plus

• At the Operator’s Phone, remove handset from cradle.
• Press FEATURE and dial 0 and then dial time in Military Time format.  Ex.1450
• Press FLASH.