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Programming
The PRX-4 is factory programmed with the facility code cleared (000). To program a facility
code, press "Q" during the first 3 seconds from when the unit powers up. Then (within 10
seconds) enter any number 000 to 255 as its facility code, followed by "#".
Operation
The red LED on the front of the PRX-4 will light steady to show the keypad is powered up,
and blink yellow with each key stroke. A beep tone will also acknowledge each time a key
is pressed. To gain access, enter the keyless entry code, followed by the "#" key.
Important: 26-bit Wiegand data limits the entry code range from 00001 to 65534.
Warning: Do not program the Viking ES-1, C-4000, AES-2000 or any other entry system
to accept code number 65535. The PRX-4 keypad outputs 65535 as an error code. An
error code is given if one of these three sequences happen:
1. Pressing the "#" key with no preceding digits.
2. Pressing any number of only zeros prior to pressing the "#" key.
3. Pressing 65535 or any number above 65535.
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