Elmo HV-3000XG Instruction Manual download pdf (Page 26)

RS-232C connector specifications (DSUB-9P)

Pin No.

Code

RXD

TXD

DTR

DSR

RTS

CTS

Name

Carrier Detect

Received Data

Transmitted Data

Data Terminal Ready

Signal Ground

Data Set Ready

Request To Send

Clear To Send

Direction of data

Presenter PC

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) [02H], and ends with ETX (End of Text) [03H].

• If the communication format or command name is wrong, NAK (Negative Acknowledgement) [15H] 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) [06H].

Transmission Command (PC Presenter)

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

Command

(PC)

(

Presenter

) ACK

Data

Parameter

[02H]

[03H]

[06H]

All response data are sent in ASCII code in correspondence to the parameters on the table of the communication commands.

• Status request format (Parameter 0)

Input

selection

30H

Pointer

display

30H

Lighting

selection

Pause

(Presenter)

Color

/B&W

Local

Lock out

45H

56H

48H

Version

(Presenter)

HHH

• ROM version

• Status request format (Parameter 2)

Gamma

selection

Aparture

selection

30H

30H30H 30H

(Presenter)

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 32

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Elmo HV-3000XG Instruction Manual Page 26

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