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External Control
Command outline
To control the monitor from external control equipment, send operation
commands to the monitor.
Example of communication procedures
1Operation command to select “ Input-3 ”.
2 Acknowledgment from the monitor.
3The input is changed to “ Input-3 ”.
Command structure
a: Header ! : Operation command from the external control
device.
? : Enquiry command from the external control
device.
@ : Response from the monitor to an enquiry
command.
Ack (0x06): Positive acknowledge from the monitor.
Nak (0x15): Negative acknowledge from the
monitor.
b: Device ID 0x82 (fixed)
c: Monitor ID 0x80 – 0xFF (Default setting is 0x80.)
d: Command See “Command list” on the next page.
e: Data
f: Termination Lf (0x0A)
1
2
3
! 0x82 0x80 IP 3 Lf
Ack 0x82 0x80 IP 3 Lf
GD-32X1U
External control
equipment
! 0x82 0x80 IP 3 Lf
ab c def