Honeywell Vista-20P Quick Start Manual page 6

Step 6: If you address your keypad 17, enter programming mode by entering
"installer code + 800". Field 20 (Installer Code Field) will be displayed. Enter data
field "*190". Then enter "1 0" to enable your keypad. Then enter *99 to exit.
Programming Function Keys:
*57 Function Key Programming
Defaults
Function Key A Zone 95
Function Key B Zone 99
Function Key C Zone 95
Function Key D Single Button Page
Step 1: Press Function Key to program (A = Top to D = Bottom Function Key)
Step 2: Display shows Function Key chosen (* for next, # for previous menu)
Step 3: Choose Function for this Key (* for next, # for previous menu)
00 = A Zone 95 B = Zone 99 C = Zone 96 D = Single Button Page
01 = Single Button Page (sends 999-9999 message to Pager
02 = Display Time
03 = Arm Away
04 = Arm Stay
05 = Arm Night/Stay (any Zone in User List 3)
06 = Step Arming (Stay then Night/Stay then Away)
07 = Device A Activation (Type 66 Function in *80 menu)
08 = Communication Test
09 = Macro Key 1 (Activated by User Code + # + 66)
10 = Macro Key 2 (Activated by User Code + # + 66)
11 = Macro Key 3 (Activated by User Code + # + 66)
12 = Macro Key 4 (Activated by User Code + # + 66)
Step 4: Enter next Function Key or 0 to exit
Step 5: Press * or # to exit