BenQ LH820ST Installation Manual
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BenQ LH820ST Installation Manual

BenQ LH820ST Installation Manual

Projector rs232 command control
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LH820ST
Projector RS232 Command Control
Installation Guide

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Summary of Contents for BenQ LH820ST

  • Page 1 LH820ST Projector RS232 Command Control Installation Guide...

  • Page 2: Table Of Contents

    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 ........................... 7 Settings ............................7 RS232 via HDBaseT ........................

  • Page 3: Introduction

    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.

  • Page 4: Connections And Communication Settings

    Connections and communication settings Choose one of the connections and set up properly before RS232 control. RS232 serial port with a crossover cable D-Sub 9 pin (male) on a projector PC or laptop D-Sub 9 pin (female) Communication cable (crossover) Settings On-screen images in this document are for reference only.
  • Page 5 Determine the COM Port name used for the RS232 communications in Device Manager. Choose Serial and the corresponding COM port as the communication port. In this given example, COM6 is selected.
  • Page 6 Finish Serial port setup. Baud rate 9600 / 14400 / 19200 / 38400 / 57600 / 115200* *Default Baud rate Data length 8 bit Parity check None Stop bit 1 bit Flow control None...

  • Page 7: Rs232 Via Lan

    RS232 via LAN RJ45 port on a projector PC or laptop LAN cable Settings 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. Input 8000 in the TCP port # field.

  • Page 8: Rs232 Via Hdbaset

    RS232 via HDBaseT HDBaseT compatible device RJ45 port on a projector D-Sub 9 pin RJ45 PC or laptop D-Sub 9 pin LAN cable Settings Determine the COM Port name used for the RS232 communications in Device Manager. Choose Serial and the corresponding COM port as the communication port. In this given example, COM6 is selected.
  • Page 9 Finish Serial port setup. Baud rate 9600 / 14400 / 19200 / 38400 / 57600 / 115200* *Default Baud rate Data length 8 bit Parity check None Stop bit 1 bit Flow control None...

  • Page 10: Command Table

    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. •...
  • Page 11 Write Volume + <CR>*vol=+#<CR> Write Volume - <CR>*vol=-#<CR> Write Volume level for <CR>*vol=value#<CR> customer Read Volume Status <CR>*vol=?#<CR> Write Mic. Volume + <CR>*micvol=+#<CR> Write Mic. Volume - <CR>*micvol=-#<CR> Read Mic. Volume Status <CR>*micvol=?#<CR> Write Audio pass Through <CR>*audiosour=off#<CR> Write Audio-Computer1 <CR>*audiosour=RGB#<CR>...
  • Page 12 Write User2 <CR>*appmod=user2#<CR> Write User3 <CR>*appmod=user3#<CR> Write ISF Day <CR>*appmod=isfday#<CR> Write ISF Night <CR>*appmod=isfnight#<CR> Write <CR>*appmod=threed#<CR> Write Sport <CR>*appmod=sport#<CR> Write HDR10 <CR>*appmod=hdr#<CR> Write <CR>*appmod=hlg#<CR> Write Spreadsheet <CR>*appmod=spreadsheet#<CR> No Read Picture Mode <CR>*appmod=?#<CR> Write Contrast + <CR>*con=+#<CR> Write Contrast - <CR>*con=-#<CR> Write Set Contrast value <CR>*con=value#<CR>...
  • Page 13 Color <CR>*ct=cooler#<CR> Write Temperature-Cooler Color <CR>*ct=native#<CR> Write Temperature-lamp native Read Color Temperature <CR>*ct=?#<CR> Status Write Aspect 4:3 <CR>*asp=4:3#<CR> Write Aspect 16:6 <CR>*asp=16:6#<CR> Write Aspect 16:9 <CR>*asp=16:9#<CR> Write Aspect 16:10 <CR>*asp=16:10#<CR> Write Aspect 2.35:1 <CR>*asp=2.35#<CR> Write Aspect Auto <CR>*asp=AUTO#<CR> Write Aspect Real <CR>*asp=REAL#<CR>...
  • Page 14 Read Overscan Adjustment <CR>*overscan=?#<CR> value Write 4 Corners Top-Left-X <CR>*cornerfittlx=-#<CR> Decrease Write 4 Corners Top-Left-X <CR>*cornerfittlx=+#<CR> Increase Read 4 Corners Top-Left-X <CR>*cornerfittlx=?#<CR> Status Write 4 Corners Top-Left-Y <CR>*cornerfittly=-#<CR> Decrease Write 4 Corners Top-Left-Y <CR>*cornerfittly=+#<CR> Increase Read 4 Corners Top-Left-Y <CR>*cornerfittly=?#<CR> Status Write 4 Corners...
  • Page 15 Write 4 Corners <CR>*cornerfitbly=+#<CR> Bottom-Left-Y Increase Read 4 Corners <CR>*cornerfitbly=?#<CR> Bottom-Left-Y Status Write 4 Corners <CR>*cornerfitbrx=-#<CR> Bottom-Right-X Decrease Write 4 Corners <CR>*cornerfitbrx=+#<CR> Bottom-Right-X Increase Read 4 Corners <CR>*cornerfitbrx=?#<CR> Bottom-Right-X Status Write 4 Corners <CR>*cornerfitbry=-#<CR> Bottom-Right-Y Decrease Write 4 Corners <CR>*cornerfitbry=+#<CR> Bottom-Right-Y Increase Read...
  • Page 16 Settings Write Projector <CR>*pp=FT#<CR> Position-Front Table Write Projector <CR>*pp=RE#<CR> Position-Rear Table Write Projector <CR>*pp=RC#<CR> Position-Rear Ceiling Write Projector <CR>*pp=FC#<CR> Position-Front Ceiling Read Projector Position <CR>*pp=?#<CR> Status Write Quick cooling on <CR>*qcool=on<CR> Write Quick cooling off <CR>*qcool=off<CR> Read Quick cooling status <CR>*qcool=?<CR>...
  • Page 17 Write Standby <CR>*standbynet=off#<CR> Settings-Network off Read Standby <CR>*standbynet=?#<CR> Settings-Network Status Write Standby <CR>*standbymic=on#<CR> Settings-Microphone Write Standby <CR>*standbymic=off#<CR> Settings-Microphone Read Standby <CR>*standbymic=?#<CR> Settings-Microphone Status Write Standby <CR>*standbymnt=on#<CR> Settings-Monitor Out Write Standby <CR>*standbymnt=off#<CR> Settings-Monitor Out Read Standby <CR>*standbymnt=?#<CR> Settings-Monitor Out Status Write 2400 <CR>*baud=2400#<CR>...
  • Page 18 Write SmartEco mode 3 <CR>*lampm= seco3#<CR> Write Dimming mode <CR>*lampm=dimming#<CR> Write Custom mode <CR>*lampm=custom#<CR> Write Light level for custom <CR>*lampcustom=value#<CR> mode Read Light level status for <CR>*lampcustom=?#<CR> custom mode Write(雙 Dual Brightest <CR>* lampm =dualbr#<CR> 燈) Write(雙 Dual Reliable <CR>* lampm =dualre#<CR> 燈) Write(雙...
  • Page 19 Write Source Menu On <CR>*sourmenu=on#<CR> Write Source Menu Off <CR>*sourmenu=off#<CR> Read Source Menu Status <CR>*sourmenu=?#<CR> Write 3D Sync Off <CR>*3d=off#<CR> Write 3D Auto <CR>*3d=auto#<CR> Write 3D Sync Top Bottom <CR>*3d=tb#<CR> Write 3D Sync Frame <CR>*3d=fs#<CR> Sequential Write 3D Frame packing <CR>*3d=fp#<CR>...
  • Page 20 Projection Log In Code <CR>*prjlogincode=off#<CR> Write Projection Log In Code Read <CR>*prjlogincode=?#<CR> Status Write Broadcasting on <CR>*broadcasting=on#<CR> Write Broadcasting off <CR>*broadcasting=off#<CR> Read Broadcasting Status <CR>*broadcasting=?<CR> Write AMX Device <CR>*amxdd=on#<CR> Discovery-on Write AMX Device <CR>*amxdd=off#<CR> Discovery-off Read AMX Device Discovery <CR>*amxdd=?#<CR> Status Read Mac Address...
  • Page 21 Write save Lens memory 8 <CR>*lenssave=m8#<CR> Write save Lens memory 9 <CR>*lenssave=m9#<CR> Write save Lens memory 10 <CR>*lenssave=m10#<CR> Write Reset Lens to center <CR>*lensreset=center#<CR> Function Type Operation ASCII Support Power Write Power On <CR>*pow=on#<CR> Write Power Off <CR>*pow=off#<CR> Source Read Power Status <CR>*pow=?#<CR>...
  • Page 22 Read Mic. Volume Status <CR>*micvol=?#<CR> Write Audio pass Through <CR>*audiosour=off#<CR> Write Audio-Computer1 <CR>*audiosour=RGB#<CR> Write Audio-Computer2 <CR>*audiosour=RGB2#<CR> Write Audio-Video/S-Video <CR>*audiosour=vid#<CR> Write Audio-Component <CR>*audiosour=ypbr#<CR> Write Audio-HDMI <CR>*audiosour=hdmi#<CR> Write Audio-HDMI2 <CR>*audiosour=hdmi2#<CR> Write Audio-HDMI3 <CR>*audiosour=hdmi3#<CR> Read Audio pass Status <CR>*audiosour=?#<CR> Write Dynamic <CR>*appmod=dynamic#<CR> Write Presentation <CR>*appmod=preset#<CR>...

  • Page 23: Faq Video

    (2) How to use RS232 cable connection to power on & off projector? https://youtu.be/faGUvcDBmJE (3) How to set up RS232 cable connection? https://youtu.be/CYJRqyO6K1w (4) How to use RS232 command to request fan speed and temperature value? https://youtu.be/KBXEd-BCDKQ BenQ.com © 2022 BenQ Corporation All rights reserved. Rights of modification reserved. Version: 1.01-C...

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