BenQ LW730 Bedienungsanleitung

LW730/ LH730

Projector RS232 Command Control

Installation Guide

2 
Table of Contents 
Introduction......................................................................................................................................... 3 
Wire arrangement........................................................................................................................................................3 
RS232 pin assignment..................................................................................................................................................3 
Connections and communication settings ..................................................................... 4 
RS232 serial port with a crossover cable ...............................................................................................................4 
Settings ..............................................................................................................................................................4 
RS232 via LAN..............................................................................................................................................................6 
Settings ..............................................................................................................................................................6 
RS232 via HDBaseT.....................................................................................................................................................6 
Settings ..............................................................................................................................................................6 
Command table............................................................................................................................... 8 
FAQ Video........................................................................................................................................... 20 
 
 

Introduction

The document describes how to control your BenQ projector via RS232 from a computer.

Follow the procedures to complete the connection and settings first, and refer to the

command table for RS232 commands.

Available functions and commands vary by model. Check the specifications and user manual of

the purchased projector for product functions.

Wire arrangement

Wire Arrangement

Color

Black

Brown

Red

Orange

Yellow

Green

Blue

Purple

Gray

Case

Drain wire

Case

RS232 pin assignment

Description

RXD

TXD

GND

RTS

CTS

Connections and communication settings

Choose one of the connections and set up properly before RS232 control.

RS232 serial port with a crossover cable

Settings

On-screen images in this document are for reference only. The screens may vary depending on your

Operating System, I/O ports used for connection, and the specifications of the connected projector.

1. Determine the COM Port name used for the RS232 communications in Device Manager.

PC or laptop

Communication cable

(crossover)

D-Sub 9 pin

(female)

D-Sub 9 pin (male) on a

projector

2. Choose Serial and the corresponding COM port as the communication port. In this

given example, COM6 is selected.

3. Finish Serial port setup.

Baud rate

9600 / 14400 / 19200 / 38400 / 57600 / 115200 bps

Check the baud rate of the connected projector from its OSD

menu.

Data length

8 bit

Parity check

None

Stop bit

1 bit

Flow control

None

RS232 via LAN

Settings

1. Find the Wired LAN IP address of the connected projector from the OSD menu and

make sure the projector and the computer are within the same network.

2. Input 8000 in the TCP port # field.

RS232 via HDBaseT

Settings

1. Determine the COM Port name used for the RS232 communications in Device

Manager.

PC or laptop

RJ45 port on a projector

LAN cable

PC or laptop

HDBaseT compatible device

D-Sub 9 pin

RJ45

RJ45 port on a projector

LAN cable

D-Sub 9 pin

2. Choose Serial and the corresponding COM port as the communication port. In this

given example, COM6 is selected.

3. Finish Serial port setup.

Baud rate

9600 / 14400 / 19200 / 38400 / 57600 / 115200 bps

Check the baud rate of the connected projector from its OSD

menu.

Data length

8 bit

Parity check

None

Stop bit

1 bit

Flow control

None

Command table

•Available features differ by projector specification, input sources, settings, etc..

•Commands are working if the standby power is 0.5W or a supported baud rate of the projector is

set.

•Uppercase, lowercase, and a mixture of both types of characters are accepted for a command.

•If a command format is illegal, it will echo Illegal format.

•If a command with correct format is not valid for the projector model, it will echo Unsupported

item.

•If a command with correct format cannot be executed under certain condition, it will echo Block

item.

•If RS232 control is performed via LAN, a command works whether it starts and ends with <CR>. All

the commands and behaviors are identical with the control through a serial port.

Function

Type

Operation

ASCII

support

Power

Write

Power On

YES

Write

Power Off

YES

Read

Power Status

YES

Source

Selection

Write

COMPUTER/YPbPr

Write

COMPUTER

2/YPbPr2

Write

COMPUTER

3/YPbPr3

Write

Component

Write

Component2

Write

DVI-A

Write

DVI-D

Write

HDMI(MHL)

YES

Write

HDMI 2(MHL2)

YES

Write

Composite

Write

S-Video

Write

Network

<CR>*sour=network#<CR>

Write

USB Display

<CR>*sour=usbdisplay#<

CR>

Write

USB Reader

<CR>*sour=usbreader#<C

Write

HDBaseT

<CR>*sour=hdbaset#<CR>

Write

DisplayPort

Write

3G-SDI

Write

Smart System

<CR>*sour=smartsystem#

<CR>

Read

Current source

YES

Audio Control

Write

Mute On

YES

Write

Mute Off

YES

Read

Mute Status

YES

Write

Volume +

YES

Write

Volume -

YES

Write

Volume level for

customer

<CR>*vol=value#<CR>

YES

Read

Volume Status

YES

Write

Mic. Volume +

<CR>*micvol=+#<CR>

Write

Mic. Volume -

<CR>*micvol=-#<CR>

Read

Mic. Volume Status

<CR>*micvol=?#<CR>

Audio source

select

Write

Audio pass Through

off

<CR>*audiosour=off#<CR>

YES

Write

Audio-Computer1

<CR>*audiosour=RGB#<C

Write

Audio-Computer2

<CR>*audiosour=RGB2#<

CR>

Write

Audio-Video/S-Vid

<CR>*audiosour=vid#<CR

Write

Audio-Component

<CR>*audiosour=ypbr#<C

Write

Audio-HDMI

<CR>*audiosour=hdmi#<

CR>

YES

Write

Audio-HDMI2

<CR>*audiosour=hdmi2#<

CR>

YES

Read

Audio pass Status

<CR>*audiosour=?#<CR>

YES

Picture Mode

Write

Dynamic

<CR>*appmod=dynamic#

<CR>

Write

Presentation

<CR>*appmod=preset#<

CR>

YES

Write

sRGB

<CR>*appmod=srgb#<CR

Write

Bright

<CR>*appmod=bright#<C

YES

Write

Living Room

<CR>*appmod=livingroo

m#<CR>

Write

Game

<CR>*appmod=game#<C

Write

Cinema

<CR>*appmod=cine#<CR

Write

Standard/Vivid

<CR>*appmod=std#<CR>

Write

Football

<CR>*appmod=football#<

CR>

Write

Football Bright

<CR>*appmod=footballbt

#<CR>

Write

DICOM

<CR>*appmod=dicom#<

CR>

Write

THX

<CR>*appmod=thx#<CR>

Write

Silence mode

<CR>*appmod=silence#<

CR>

Write

DCI-P3 mode

<CR>*appmod=dci-p3#<

CR>

Write

Vivid

<CR>*appmod=vivid#<CR

Write

Infographic

<CR>*appmod=infographi

c#<CR>

YES

Write

Sport

<CR>*appmod=sport#<C

Write

User1

<CR>*appmod=user1#<CR

YES

Write

User2

<CR>*appmod=user2#<C

YES

Write

User3

<CR>*appmod=user3#<C

Write

ISF Day

<CR>*appmod=isfday#<C

Write

ISF Night

<CR>*appmod=isfnight#<

CR>

Write

<CR>*appmod=threed#<

CR>

YES

Read

Picture Mode

<CR>*appmod=?#<CR>

YES

Picture Setting

Write

Contrast +

YES

Write

Contrast -

YES

Write

Set Contrast value

<CR>*con=value#<CR>

YES

Read

Contrast value

YES

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