Elmo HV-5000XG Data format specifications, Transmission specifications, Connection

Data format specifications

This command is executed in the form of 1-command/1 packet. The next command is not accepted until the previous processing is completed.

-The communication command always starts with STX (Start of Text), and ends with ETX (END of Text).

-If the communication format or command name is wrong, NAK (Negative Acknowledgement) will be sent from the Presenter as a result of failing to receive correctly.

-When the communication format is correctly received, the Presenter sends ACK (Normal Acknowledgement).

Transmission Command (PC Visual Presenter)

Each operation command is executed in ASCII code, and transmitted in a set of 7 bytes as follows:

	S		Parameter		E
(PC)	T	Command		Data	T
	X				X

Response data format (Visual Presenter PC)

All response data are sent in the ASCII code in correspondence to the parameters in the list of operation

commands.

Status 0

S T X

Lighting Input selection selection

30H

30H

30H

30H

30H

Local

Lock out

E T X

	S							Monitor	TV mode
Status 2	T	30H	30H	30H	30H	30H	30H	output
									switching
	X							selection

E T X

Rom version

S	V	H	D	E
T				T
	56H	48H	44H
X				X

Version

Transmission specifications

-	Full duplex start-stop sync. mode
-	Start bit	: 1 bit
-	Data bit	: 8 bit
-	Stop bit	: 1 bit
-	Parity bit	: None
- X parameter		: None
- Baud rate (Communication speed)		: 9600bps

Connection

If the RS-232C cable is not correctly connected between the Presenter and the PC, no acknowledgement is transmitted. Connect the RS-232C cable correctly, and fix it firmly with the connector set screws before the operation.

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