Dell UltraSharp 1800FP Manuale utente

DellTM 1800MP RS232 Protocol Pin Assignment

(Facing Projector)

RS232 Pin Assignment

RS232 Protocol

• Communication Settings

• Command types

To pop up the OSD menu and adjust the settings.

• Control command Syntax (From PC to Projector)

[H][AC][SoP][CRC][ID][SoM][COMMAND]

•Example: Power ON Command (Send low byte firstly)

--> 0xBE, 0xEF, 0x10, 0x05, 0x00, 0xC6, 0xFF, 0x11, 0x11, 0x01, 0x00, 0x01

Header "BE EF"

Address Code "10" ==> Fixed

Payload Size "05 00"==> From wMsgID to end

CRC "C6 FF" ==> If CRC value is "C6 (Low Byte) FF (High Byte)"

MsgID "11 11"

MsgSize "01 00"==> From command to end.

Command "01"==> "Power ON" command.

• Projector Response Message Table:

0x00: Success

Connection settings Value

Baud Rate: 19200

Data Bits: 8

Parity None

Stop Bits 1

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0x01: Invalid command (on the control command list but not valid. e.g. card reader

command while no card reader plug-in)

0x02: Error command (includes CRC error and unknown commands).

0x03: System Status - Projector ON (Normal Mode).

NACK: System Status - Projector OFF (Standby Mode).

Note: When the projector is in the standby mode, no acknowledgement (NACK)

response is sent by the projector.

• Projector Response Lamp Hour:

Byte0, Byte1, Byte2, Byte3

Byte0: 0x00 (Success)

Byte1: 0x2F (the header of lamp hour)

Byte2: LSB (Hex)

Byte3: MSB (Hex)

Ex: 800 (3x256+2x16=800) hours --> 0x00, 0x2F, 0x20, 0x03

• Firmware version Response:

Firmware version: 4 Bytes ASCII Code: "V*.*"

V: Version

*: 0-9

•Example: Version 1.5 --> "V1.5" --> 0x00, 0x30, 0x56, 0x31, 0x2E, 0x35 (Success,

header of firmware version, 4 Bytes ASCII Code: "V*.*")

Control Commands List

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly

forbidden.

Trademarks used in this text:

Dell

and the

DELL

logo are trademarks of Dell Inc.

Other trademarks and trade names may be used in this document to refer to either the entities

claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in

trademarks and trade names other than its own.

Header

(WORD)

Address

Code

(BYTE)

Size of the

payload

(WORD)

CRC16

for the

entire

packet

(WORD)

MsG ID

(WORD)

MsG size

(WORD)

Command

code

(BYTE)

Command

Description

0xefbe 0x10 0x0005 0xffc6

0xbfc7

0x7e07

0x3fc5

0xfe05

0xbe04

0x7fc4

0x3fc0

0xfe00

0xbe01

0x7fc1

0x3e03

0xffc3

0x7e02

0x3fca

0xfe0a

0xbe0b

0x7fcb

0x3e09

0x7e08

0x3e0c

0xffcc

0x3fcf

0xbe1f

0x7fdf

0xbfd9

0x7e19

0x3fdb

0xfe1b

0xbe1a

0x7fda

0x3e12

0x3ff6

0x7e46

0x1111 0x0001 0x01

0x02

0x03

0x04

0x05

0x06

0x07

0x08

0x09

0x0A

0x0B

0x0C

0x0D

0x0F

0x10

0x11

0x12

0x13

0x14

0x17

0x18

0x19

0x1C

0x22

0x23

0x2A

0x2B

0x2C

0x2D

0x2E

0x2F

0x30

0x40

0xFF

Power

Down

Left

Right

R-sync

Source

Volume +

Volume -

Zoom in

Zoom out

Mute

Hide

Video Mode

H. Keystone Up

H. Keystone Down

V. K e y s t o n e U p

V. K e y s t o n e D o w n

Aspect ratio (4:3/16:9)

Power OFF

Source-VGA-A

Source VGA-B

Source-S-Video

Source-Composite

ECO Mode ON

ECO Mode OFF

Auto Source ON

Auto Source OFF

Factory Reset

Lamp Hour

Firmware Version

Enter key

System Status

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