BenQ DX819ST User manual

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BenQ RS232 Commands

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Table of Content
1. RS232 Cable Requirement and PinAssignment.............................................................2
2. RS232 Connection...........................................................................................................2
3. Interface Settings.............................................................................................................3
4. Command Table...............................................................................................................3

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1. RS232 Cable Requirement and Pin Assignment
Cable Requirement:
RS232 pin assignment
Pin Description Pin Description
1 NC 2 RXD
3 TXD 4 NC
5 GND 6 NC
7 RTS 8 CTS
9 NC
2. RS232 Connection
Notes:
Make sure that both of the PC and the projector are turned off before connecting
them.
Must turn on the PC before turning on the projector. (Wrong step may have Com
port working incorrectly)
PLS choose appropriate adapter for PC side.
12 3 4 5
6 7 8 9
12 3 4 5
6 7 8 9

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2. Interface Settings - RS-232 protocol
Baud Rate Default in 115200 bps, but changeable in OSD menu.
(2400/4800/9600/14400/19200/38400/57600/115200)
Data Length 8 bit
Parity Check None
Stop Bit 1 bit
Flow Control None
3. Command Table
Note:
The available features are different by model. (eg. source, audio settings, aspect
ratio..etc.), please refer to the user manual for the further information.
Function Type Operation ASCII
Power
Write Power On *pow=on#
Write Power off *pow=off#
Read Power Status *pow=?#
Source
Selection
Write COMPUTER/YPbPr *sour=RGB#
Write COMPUTER 2/YPbPr2 *sour=RGB2#
Write Component *sour=ypbr#
Write DVI-A *sour=dviA#
Write DVI-D *sour=dvid#
Write HDMI *sour=hdmi#
Write HDMI 2 *sour=hdmi2#
Write Composite *sour=vid#
Write S-Video *sour=svid#
Write Network *sour=network#
Write USB Display *sour=usbdisplay#
Write USB Reader *sour=usbreader#
Read Current source *sour=?#
Audio Control
Write Mute On *mute=on#
Write Mute Off *mute=off#
Read Mute Status *mute=?#
Write Volume + *vol=+#
Write Volume - *vol=-#

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Read Volume Status *vol=?#
Write Mic. Volume + *micvol=+#
Write Mic. Volume - *micvol= -#
Read Mic. Volume Status *micvol=?#
Audio source
select
Write Audio pass Through off *audiosour=off#
Write Audio-Computer1 *audiosour=RGB#
Write Audio-Computer2 *audiosour=RGB2#
Write Audio-Video/S-Video *audiosour=vid#
Write Audio-Component *audiosour=ypbr#
Write Audio-HDMI *audiosour=hdmi#
Write Audio-HDMI2 *audiosour=hdmi2#
Read Audio pass Status *audiosour=?#
Picture Mode
Write Dynamic *appmod=dynamic#
Write Presentation *appmod=preset#
Write sRGB *appmod=srgb#
Write Bright *appmod=bright#
Write Living Room *appmod=livingroom#
Write Game *appmod=game#
Write Cinema *appmod=cine#
Write Standard *appmod=std#
Write User1 *appmod=user1#
Write User2 *appmod=user2#
Write User3 *appmod=user3#
Read Picture Mode *appmod=?#
Picture Setting
Write Contrast + *con=+#
Write Contrast - *con= -#
Read Contrast value *con=?#
Write Brightness + *bri=+#
Write Brightness - *bri= -#
Read Brightness value *bri=?#
Write Color + *color=+#
Write Color - *color=-#
Read Color value *color=?#
Write Sharpness + *sharp=+#
Write Sharpness - *sharp= -#
Read Sharpness value *sharp=?#

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Write Color
Temperature-Warmer
*ct=warmer#
Write Color
Temperature-Warm
*ct=warm#
Write Color
Temperature-Normal
*ct=normal#
Write Color Temperature-Cool *ct=cool#
Write Color Temperature-Cooler *ct=cooler#
Read Color Temperature Status *ct=?#
Write Aspect 4:3 *asp=4:3#
Write Aspect 16:9 *asp=16:9#
Write Aspect 16:10 *asp=16:10#
Write Aspect Auto *asp=AUTO#
Write Aspect Real *asp=REAL#
Write Aspect Letterbox *asp=LBOX#
Write Aspect Wide *asp=WIDE#
Write Aspect Anamorphic *asp=ANAM#
Read Aspect Status * asp=?#
Write Digital Zoom In *zoomI#
Write Digital Zoom out *zoomO#
Write Auto *auto#
Write Brilliant color on *BC=on#
Write Brilliant color off *BC=off#
Read Brilliant color status *BC=?#
Operation
Settings
Write Projector Position-Front
Table
*pp=FT#
Write Projector Position-Rear
Table
*pp=RE#
Write Projector Position-Rear
Ceiling
*pp=RC#
Write Projector Position-Front
Ceiling
*pp=FC#
Write Quick auto search *QAS=on#
Write Quick auto search *QAS=off#
Read Quick auto search status *QAS=?#
Read Projector Position Status *pp=?#

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Write Direct Power On-on *directpower=on#
Write Direct Power On-off *directpower=off#
Read Direct Power On-Status *directpower= ?#
Write Signal Power On-on *autopower=on#
Write Signal Power On-off *autopower=off#
Read Signal Power On-Status *autopower=?#
Write Standby
Settings-Network on
*standbynet=on#
Write Standby
Settings-Network off
*standbynet=off#
Read Standby
Settings-Network Status
*standbynet=?#
Write Standby
Settings-Microphone on
*standbymic=on#
Write Standby
Settings-Microphone off
*standbymic=off#
Read Standby
Settings-Microphone Status
*standbymic=?#
Write Standby Settings-Monito
r
Out on
*standbymnt=on#
Write Standby Settings-Monito
r
Out off
*standbymnt=off#
Read Standby Settings-Monito
r
Out Status
*standbymnt=?#
Baud Rate
Write 2400 *baud=2400#
Write 4800 <CR>*baud=4800#
Write 9600 *baud=9600#
Write 14400 *baud=14400#
Write 19200 *baud=19200#
Write 38400 *baud=38400#
Write 57600 *baud=57600#
Write 115200 *baud=115200#
Read Current Baud Rate *baud=?#
Lamp Control
Read Lamp Hour *ltim=?#
Read Lamp2 Hour *ltim2=?#
Write Normal mode *lampm=lnor#

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Write Eco mode *lampm=eco#
Write Smart Eco mode *lampm=seco#
Write Dual Brightest
(for dual lamp only) *lampm =dualbr#
Write Dual Reliable
(for dual lamp only) *lampm =dualre#
Write Single Alternative
(for dual lamp only) *lampm =single#
Write Single Alternative Eco
(for dual lamp only) * lampm =singleeco#
Read Lamp Mode Status *lampm=?#
Miscellaneous
Read Model Name *modelname=?#
Write Blank On *blank=on#
Write Blank Off *blank=off#
Read Blank Status *blank=?#
Write Freeze On *freeze=on#
Write Freeze Off *freeze=off#
Read Freeze Status *freeze=?#
Write Menu On *menu=on#
Write Menu Off *menu=off#
Write Up *up#
Write Down *down#
Write Right *right#
Write Left *left#
Write Enter *enter#
Write 3D Sync Off *3d=off#
Write 3D Sync Top Bottom *3d=tb#
Write 3D Sync Frame
Sequential
*3d=fs#
Read 3D Sync Status *3d=?#
Write Remote
Receiver-front+rear
*rr=fr#
Write Remote Receiver-front *rr=f#
Write Remote Receiver-rear *rr=r#
Read Remote Receiver Status *rr=?#
Write Instant On-on *ins=on#

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Write Instant On-off *ins=off#
Read Instant On Status *ins=?#
Write Lamp Saver Mode-on *lpsaver=on#
Write Lamp Saver Mode-off *lpsaver=off#
Read Lamp Saver Mode Status
*lpsaver=?#
Write Projection Log In Code
on
*prjlogincode=on#
Write Projection Log In Code
off
*prjlogincode=off#
Read Projection Log In Code
Status
*prjlogincode=?#
Write Broadcasting on *broadcasting=on#
Write Broadcasting off *broadcasting=off#
Read Broadcasting Status *broadcasting=?
Write AMX Device
Discovery-on
*amxdd=on#
Write AMX Device
Discovery-off
*amxdd=off#
Read AMX Device Discovery
Status
*amxdd=?#
Read Mac Address *macaddr=?#
Write High Altitude mode on *Highaltitude=on#
Write High Altitude mode off *Highaltitude=off#
Read High Altitude mode
status
*Highaltitude=?#