Functionality
AY-x55 Family Installation and Programming Manual 21
• The Programming code cannot be erased, meaning the code 0000
is invalid and does not erase the Programming code.
• The factory default 4-digit Programming code is 1234.
4.2.5 Changing the Facility Code
1. Enter Programming mode.
2. Press 4 to enter Menu 4.
The Transmit LED turns red.
3. Enter the new 3-digit code you wish to
set as the Facility code.
The system returns to Transmit mode.
You hear three beeps.
The Program LED turns off and the
Transmit LED turns red.
• The Facility code can be in the range of 000 to 255.
• The default Facility code is 0.
4.3 Setting the Backlight
1. Enter Programming mode.
2. Press 6 to enter Menu 6.
The Transmit LED turns red.
3. Enter the appropriate option number for the backlight option
that you wish to select:
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