Change Secondary Phone Number

1) enter Installer Code into a PROGRAMMING KEYPAD ONLY (Default 4112) + 800

2) enter *42

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

Inputs:

Enter up to 20 digits. 
To clear entries press ✱ 
When completed but used less than 20 digits press ✱

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.