Set Time and Date

1. Master Code + [#] + [6] [3]  (When in a Disarmed state)

2. Press [∗] when the time/date is displayed. A cursor appears under the first digit of the hour. 


3) Enter Desired Field (Input guide will be posted below this)

Inputs:

To move cursor ahead, press  [∗]
To go back, press [#].

• Enter the 2-digit hour setting.
• Enter the 2-digit minute setting.
• Press [1] for PM or [2] for AM.
• Enter the last two digits of the current year.
• Enter the 2-digit month setting.
• Enter the 2-digit day setting.

3. To exit, press [∗] when cursor is at the last digit, or wait 30 seconds. 

4) enter *99 to exit programming

Note:
The Vista 15P does not have partitions, any fields dealing with partitions will not be available on the Vista 15P

Programming Manual For More Information:

https://turbifycdn.com/ty/cdn/yhst-51756635596032/honeywell-vista-20p-control-panel-programming-guide.pdf

GeoArm can assist in changing the installer code upon activation.