JVC manual Command outline, GD-42X1E 0x82 0x80 IP 3 Lf

Command outline

To control the monitor from external control equipment, send operation commands to the monitor.

Example of communication procedures

GD-42X1E

1! 0x82 0x80 IP 3 Lf

External control	3
equipment
	2 Ack 0x82 0x80 IP 3 Lf

1Operation command to select “Input-3”.

2Acknowledgment from the monitor.

3The input is changed to “Input-3”.

Command structure

! 0x82 0x80 IP 3 Lf

a	b	c	d e f
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)

External Control

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