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 ..............................
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.
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.
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Choose Serial and the corresponding COM port as the communication port. In this given example, COM6 is selected. 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.
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.
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Choose Serial and the corresponding COM port as the communication port. In this given example, COM6 is selected. 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.
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. •...
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Read Current source <CR>*sour=?#<CR> Write Mute On <CR>*mute=on#<CR> Write Mute Off <CR>*mute=off#<CR> Read Mute Status <CR>*mute=?#<CR> Write Volume + <CR>*vol=+#<CR> Write Volume - <CR>*vol=-#<CR> Audio Control Write Volume level for <CR>*vol=value#<CR> customer Read Volume Status <CR>*vol=?#<CR> Write Mic. Volume + <CR>*micvol=+#<CR>...
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Write Brightness + <CR>*bri=+#<CR> Write Brightness - <CR>*bri=-#<CR> Write Set Brightness <CR>*bri=value#<CR> value Read Brightness value <CR>*bri=?#<CR> Write Color + <CR>*color=+#<CR> Write Color - <CR>*color=-#<CR> Write Set Color value <CR>*color=value#<CR> Read Color value <CR>*color=?#<CR> Write Sharpness + <CR>*sharp=+#<CR> Write Sharpness - <CR>*sharp=-#<CR>...
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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 <CR>*qcool=?#<CR> status Write Quick auto search <CR>*QAS=on#<CR> Write Quick auto search <CR>*QAS=off#<CR> Read Quick auto search <CR>*QAS=?#<CR> status Write Menu Position - <CR>*menuposition=cent Center er#<CR>...
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Write Standby <CR>*standbynet=off#<C Settings-Network R> Read Standby <CR>*standbynet=?#<CR> NO Settings-Network Status Write Standby <CR>*standbymic=on#<C Settings-Microphon R> e on Write Standby <CR>*standbymic=off#<C Settings-Microphon R> e off Read Standby <CR>*standbymic=?#<CR Settings-Microphon > e Status Write Standby <CR>*standbymnt=on#<C Settings-Monitor R> Out on Write Standby <CR>*standbymnt=off#<C Settings-Monitor...
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Write Right <CR>*right#<CR> Write Left <CR>*left#<CR> Write Enter <CR>*enter#<CR> Write Back <CR>*back#<CR> Write Source Menu On <CR>*sourmenu=on#<CR > Write Source Menu Off <CR>*sourmenu=off#<CR > Read Source Menu Status <CR>*sourmenu=?#<CR> YES Write 3D Sync Off <CR>*3d=off#<CR> Write 3D Auto <CR>*3d=auto#<CR> Write 3D Sync Top Bottom <CR>*3d=tb#<CR>...
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Status Write Instant On-on <CR>*ins=on#<CR> Write Instant On-off <CR>*ins=off#<CR> Read Instant On Status <CR>*ins=?#<CR> Write Lamp Saver <CR>*lpsaver=on#<CR> Mode-on Write Lamp Saver <CR>*lpsaver=off#<CR> Mode-off Read Lamp Saver Mode <CR>*lpsaver=?#<CR> Status Projection Log In <CR>*prjlogincode=on#< Write Code on CR> Projection Log In <CR>*prjlogincode=off#<...
FAQ Video (1) How to use RS232 cable to do volume control and sound control on projector? https://youtu.be/P4F26kEv60U (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...
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