By pressing any numbered key on the keypad, the reader will send a single 8-bit compliment output with that number in hex.
08$0000000000000000000000E1 > 1 key
08$0000000000000000000000D2 > 2 key
08$0000000000000000000000C3 > 3 key
08$0000000000000000000000B4 > 4 key
08$0000000000000000000000A5 > 5 key
08$000000000000000000000096 > 6 key
08$000000000000000000000087 > 7 key
08$000000000000000000000078 > 8 key
08$000000000000000000000069 > 9 key
08$0000000000000000000000F0 > 0 key
The character before the actual number represents the inverted character. (i.e. E is the invert of 1, D is the invert of 2) This allows for an 8-bit output to be sent to the panel.
In comparison, if the keypad was configured for 26-bit wiegand, the data output will not be sent to the panel until the "#" key is pressed.
26$000000000000000000642046 > hex for badge ID=4131 and fc=50
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