Eiki EIP-1500T RS-232C Specifications and Command Settings, PC control, Communication conditions

RS-232C Specifications and Command Settings

PC control

A computer can be used to control the projector by connecting an RS-232C cable (null modem, cross type, commercially available) to the projector. (See page 27 for connection.)

Communication conditions

Set the serial port settings of the computer to match that of the table.

Signal format: Conforms to RS-232C standard.

Baud rate: 9,600 bps

Data length: 8 bits

Parity bit: None

Stop bit: 1 bit

Flow control: None

Basic format

Commands from the computer are sent in the following order: command, parameter, and return code. After the projector processes the command from the computer, it sends a response code to the computer.

Command format

C1 C2 C3 C4 P1 P2 P3 P4

Return code (0DH)

Command 4-digit	Parameter 4-digit
Response code format
Normal response	Problem response (communication error or incorrect command)

O

Info

K

Return code (0DH)

E

R

R

Return code (0DH)

•When more than one code is being sent, send each command only after the OK response code for the previous command from the projector is verified.

•When using the computer control function of the projector, the projector’s operating status cannot be read by the computer.

Commands

Example:

•When power on.

Computer

→

P

O

W

R

_

_

_

1

←

CONTROL CONTENTS

COMMAND

PARAMETER

RETURN

BUTTONS

POWER ON

P

O

W

R

_

_

_

1

OK OR ERR

STANDBY

P

O

W

R

_

_

_

0

OK OR ERR

CONTROL

INPUT 2 (COMPONENT 2)

I

V

E

D

_

_

_

2

OK OR ERR

REMOTE&

INPUT 1 (COMPONENT 1)

I

V

E

D

_

_

_

1

OK OR ERR

INPUT 3 (S-VIDEO)

I

V

E

D

_

_

_

3

OK OR ERR

BUTTONS

INPUT 4 (VIDEO)

I

V

E

D

_

_

_

4

OK OR ERR

INPUT 5 (RGB/COMPONENT)

I

V

E

D

_

_

_

5

OK OR ERR

DIGITAL MODE

I

V

E

D

_

_

_

6

OK OR ERR

Projector

O K

Note

• If an underbar (_) appears in the parameter column, enter a space.

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