InFocus IN5542C, IN5544C user manual ① Controlling projector

Daisy Chain Communication

Command data

① Controlling projector

byte_0	byte_1	byte_2	byte_3	byte_4	byte_5
	Action		Type	Setting Code
low	high	low	high	low	high

Action (byte_0-1)

Action	Classification	Content
1	Set	Change setting to desired value.
4	Increment	Increment setup value by 1.
5	Decrement	Decrement setup value by 1.
6	Execute	Run a command.

Note: For the Type and Setting Code, see the RS-232C communication/ Network command table (20).

②Getting the projector’s status

byte_0	byte_1	byte_2	byte_3	byte_4	byte_5
	Action		Type	Connection ID
low	high	low	high	low	high

Action (byte_0-1)

Action Classification Content

2Get Read projector internal setup value.

Connection ID (byte_4-5)

Connection ID	Content
0~255	This value is attached to the reply data.

③Other commands

byte_0		byte_1	byte_2	byte_3		byte_4	byte_5
	Action		Target Number			Connection ID
low		high	low	high		low	high
Support Command				Action	Target Number		Connection ID
Get the number of connected projectors				2	0		0~255
Set the communication Group				1	1~65535		0~255
identification and Communication ID
Get the communication Group				2	1~65535		0~255
identification and Communication ID

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