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

39

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