Dukane Projector 9136 Manuel d'utilisateur télécharger pdf (Page 7)

RS-232C Communication

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CONTROL port RS-232C cable (Cross) RS-232C port

of the projector of the computer

- (1) (1) CD

RD (2) (2) RD

TD (3) (3) TD

- (4) (4) DTR

GND (5) (5) GND

- (6) (6) DSR

RTS (7) (7) RTS

CTS (8) (8) DTS

- (9) (9) RI

Connecting the cable

Turn off the projector and the computer.

Connect the CONTROL port of the projector with a RS-232C port of

the computer by a RS-232C cable (cross). Use the cable that fulfills the

speciﬁ cation shown in the previous page.

Turn the computer on, and after the computer has started up turn the

projector on.

Communications setting

19200bps, 8N1

1. Protocol

Consist of header (7 bytes) + command data (6 bytes).

2. Header

BE + EF + 03 + 06 + 00 + CRC_low + CRC_high

CRC_low : Lower byte of CRC ﬂ ag for command data

CRC_high : Upper byte of CRC ﬂ ag for command data

3. Command data

Command data chart

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 Classiﬁ cation Content

1 SET Change setting to desired value.

2 GET Read projector internal setup value.

4 INCREMENT Increment setup value by 1.

5 DECREMENT Decrement setup value by 1.

6 EXECUTE Run a command.

1 2 3 4 5 6 7 8 9 10 11 12 ... 23 24

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Dukane Projector 9136 Manuel d'utilisateur Page 7