ARTHUR HOLM AHDTLM UC, User Manual

Page: 11 / 16

11
Commands:
COMMAND DESCRIPTION RESPONSE
FA XX 01 01 00 GO UP FB XX 01 01 00
FA XX 01 00 00 GO DOWN FB XX 01 00 00
FA XX 02 01 00 MUTE ON (Only in PA mode) FB XX 02 01 00
FA XX 02 00 00 MUTE OFF (Only in PA mode) FB XX 02 00 00
FA XX 04 01 00 BUTTON LOCK FB XX 04 01 00
FA XX 04 00 00 BUTTON UN LOCK FB XX 04 00 00
FA XX 14 00 00 INQUIRY CONTROL BYTE FB XX 14 CB1 CB2
XX: Number of the DynamicTalk address. Up to 30 units for each RS422
BUS.
CB1: Response in 8 bites of the device status
CB2: Not implemented
CB1:
BIT 0 TOP POSITION
BIT 1 DOWN POSITION
BIT 2 (1) MUTE ON
BIT 3 (1) BUTTON LOCK
BIT 4
BIT 5
BIT 6
BIT 7 (1) FAILURE IN THE SYSTEM
To send an order to all the devices, you must use the address:
F7
Hex. (Byte1)
In this case, the units do not respond