InFocus LP 850 Gebrauchs- und Pflegehandbuch

LP840/LP850

RS-232 communication

(1) Turn off the projector and computer. Connect the RS-232C adapter via the RS-232C cable.

(2)Turn on the computer. Once the computer has started up, turn on the projector.

1213

1415

Control jack

D-sub 15-pin shrink jack

Projector Computer

Communications setting

19200bps, 8N1

1 Protocol

Consistsof header (7 bytes) + command data (6 bytes).

2 Header

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

CRC_low : Lower byte of CRC ﬂag for command data.

CRC_high : Upper byte of CRC ﬂag for command data.

3 Command data

Command data chart

byte_0 byte_1

Action

low high

byte_2 byte_3

Type

low high

byte_4 byte_5

Setting code

low high

Action Classification Content

Action (byte_0 - 1)

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.

GND

SELO

RTS

DTR

GND

DSR

RTS

DTS

12345

6789

RS-232C jack

D-sub 9-pin

RS-232C adapter

LP840/LP850

Requesting projector status (Get command)

(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes) +‘00H’+‘00H’) from the

computer to the projector.

(2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.

Changing the projector settings (Set command)

(1) Send the setting code Header + Command data (‘01H’+‘00H’+ type (2 bytes) + setting code (2 bytes))

from the computer to the projector.

(2) The projector changes the setting based on the above setting code.

(3) The projector returns the response code ‘06H’ to the computer.

Using the projector default settings (Reset Command)

(1) The computer sends the default setting code Header + Command data (‘06H’+‘00H’+ type (2 bytes) +

‘00H’+‘00H’) to the projector.

(2) The projector changes the specified setting to the default value.

(3) The projector returns the response code ‘06H’ to the computer.

Increasing the projector setting value (Increment command)

(1) The computer sends the increment code Header + Command data (‘04H’+‘00H’+ type (2 bytes) +‘00H’+

‘00H’) to the projector.

(2) The projector increases the setting value on the above setting code.

(3) The projector returns the response code ‘06H’ to the computer.

Decreasing the projector setting value (Decrement command)

(1) The computer sends the decrement code Header + Command data (‘05H’+‘00H’+ type (2 bytes) +‘00H’+

‘00H’) to the projector.

(2) The projector decreases the setting value on the above setting code.

(3) The projector returns the response code ‘06H’ to the computer.

When a command sent by the projector cannot be understood by the computer

When the command sent by the projector cannot be understood, the error command ‘15H’ is returned by the

computer. Some times, the projector ignores RS-232C commands during other works. If the error command

‘15H’ is returned, please send the same command again.

When data sent by the projector cannot be practice

When the command sent by the projector cannot be practiced, the error code ‘1cH’ +‘xxxxH’ is returned.

When the data length is greater than indicated by the data length code, the projector will ignore the excess

data code.

Conversely, when the data length is shorter than indicated by the data length code, an error code will be

returned to the projector.

NOTE:

Operation cannot be guaranteed when the projector receives an undefined command or data.

Provide an interval of at least 40ms between the response code and any other code.

The projector outputs test data when it is switched ON, and when the lamp is lit. Ignore this data.

Commands are not accepted during warm-up.

LP840/LP850

Names Operation type Header Command data

CRC Action Type Setting code

Blank Color Set

Blue BE EF 03 06 00 CB D3 01 00 00 30 03 00

White BE EF 03 06 00 6B D0 01 00 00 30 05 00

Black BE EF 03 06 00 9B D0 01 00 00 30 06 00

MyScreen BE EF 03 06 00 FB CA 01 00 00 30 20 00

ORIGNAL BE EF 03 06 00 FB E2 01 00 00 30 40 00

Get BE EF 03 06 00 08 D3 02 00 00 30 00 00

Mirror Set

Normal BE EF 03 06 00 C7 D2 01 00 01 30 00 00

H Inverse BE EF 03 06 00 57 D3 01 00 01 30 01 00

V lnverse BE EF 03 06 00 A7 D3 01 00 01 30 02 00

H&V Inverse BE EF 03 06 00 37 D2 01 00 01 30 03 00

Get BE EF 03 06 00 F4 D2 02 00 01 30 00 00

Freeze Set Normal BE EF 03 06 00 83 D2 01 00 02 30 00 00

Freeze BE EF 03 06 00 13 D3 01 00 02 30 01 00

Get BE EF 03 06 00 B0 D2 02 00 02 30 00 00

Startup Set

ORIGNAL BE EF 03 06 00 0B D2 01 00 04 30 00 00

OFF BE EF 03 06 00 9B D3 01 00 04 30 01 00

MyScreen BE EF 03 06 00 CB CB 01 00 04 30 20 00

Get BE EF 03 06 00 38 D2 02 00 04 30 00 00

Language Set

English BE EF 03 06 00 F7 D3 01 00 05 30 00 00

Français BE EF 03 06 00 67 D2 01 00 05 30 01 00

Deutsch BE EF 03 06 00 97 D2 01 00 05 30 02 00

Español BE EF 03 06 00 07 D3 01 00 05 30 03 00

Italiano BE EF 03 06 00 37 D1 01 00 05 30 04 00

Norsk BE EF 03 06 00 A7 D0 01 00 05 30 05 00

Nederlands BE EF 03 06 00 57 D0 01 00 05 30 06 00

Português BE EF 03 06 00 C7 D1 01 00 05 30 07 00

BE EF 03 06 00 37 D4 01 00 05 30 08 00

BE EF 03 06 00 A7 D5 01 00 05 30 09 00

BE EF 03 06 00 57 D5 01 00 05 30 0A 00

Get BE EF 03 06 00 C4 D3 02 00 05 30 00 00

Magnify

Get BE EF 03 06 00 7C D2 02 00 07 30 00 00

Increment BE EF 03 06 00 1A D2 04 00 07 30 00 00

Decrement BE EF 03 06 00 CB D3 05 00 07 30 00 00

Auto off

Get BE EF 03 06 00 08 86 02 00 10 31 00 00

Increment BE EF 03 06 00 6E 86 04 00 10 31 00 00

Decrement BE EF 03 06 00 BF 87 05 00 10 31 00 00

Brightness Reset

Execute BE EF 03 06 00 58 D3 06 00 00 70 00 00

Contrast Reset Execute BE EF 03 06 00 A4 D2 06 00 01 70 00 00

V.Position Reset

Execute BE EF 03 06 00 E0 D2 06 00 02 70 00 00

Command data chart

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