GE EST iO64 Technical Reference Manual page 109

you can quickly add all desired devices. If the device is already
added, "remove" is displayed indicating that you can only
remove the device, not add it. When finished, press Back. Go to
step 13.
Zone: Select the zone (number) that you want to add and press
Enter. The zone number will automatically increment to the next
zone number so that you can quickly add all desired zones. If
the zone is already added, "remove" is displayed indicating that
you can only remove the zone, not add it. When finished, press
Back. Go to step 13.
13. Choose Save.
The Programmable Keys screen is displayed.
14. Program the second key using steps 5 to 13 or press Menu to
exit menu mode.
EST iO64 and iO500 Technical Reference Manual
Chapter 3: Programming
Key #1
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