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TK850
Projector RS232 Command Control
Installation Guide
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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
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Introduction
Available functions and commands vary by model. Check the specifications and user manual of the purchased projector for
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.
product functions.
Wire arrangement
Wire Arrangement
P1 Color P2
1 Black 1
2 Brown 3
3 Red 2
4 Orange 4
5 Yellow 5
6 Green 6
7 Blue 7
8 Purple 8
9 Gray 9
Case Drain wire Case
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
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Connections and communication settings
PC or laptop
Communication
cable
(crossov
er)
D-Sub 9 pin (female)
D-Sub 9 pin (male) on a projector
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.
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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
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RS232 via LAN
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
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.
2. Choose Serial and the corresponding COM port as the communication port. In this given example,
COM6 is selected.
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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
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Available
features differ by projector specification, input sources, settings, etc..
All the commands and
Command table
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>.
behaviors are identical with the control through a serial port.
Function Type Operation ASCII Support
Write Power On <CR>*pow=on#<CR> YES
Power
Source
Selection
Write Power off <CR>*pow=off#<CR> YES
Read Power Status <CR>*pow=?#<CR> YES
Write COMPUTER/YPbPr <CR>*sour=RGB#<CR> NO
Write COMPUTER 2/YPbPr2 <CR>*sour=RGB2#<CR> NO
Write COMPUTER 3/YPbPr3 <CR>*sour=RGB3#<CR> NO
Write Component <CR>*sour=ypbr#<CR> NO
Write Component2 <CR>*sour=ypbr2#<CR> NO
Write DVI-A <CR>*sour=dviA#<CR> NO
Write DVI-D <CR>*sour=dvid#<CR> NO
Write HDMI(MHL) <CR>*sour=hdmi#<CR> YES
Write HDMI 2(MHL2) <CR>*sour=hdmi2#<CR> YES
Write Composite <CR>*sour=vid#<CR> NO
Write S-Video <CR>*sour=svid#<CR> NO
Write Network <CR>*sour=network#<CR> NO
Write USB Display <CR>*sour=usbdisplay#<CR> NO
Write USB Reader <CR>*sour=usbreader#<CR> YES
Write HDbaseT <CR>*sour=hdbaset#<CR> NO
Write DisplayPort <CR>*sour=dp#<CR> NO
Write 3G-SDI <CR>*sour=sdi#<CR> NO
Read Current source <CR>*sour=?#<CR> YES
Write Mute On <CR>*mute=on#<CR> YES
Audio Control
Write Mute Off <CR>*mute=off#<CR> YES
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Read Mute Status <CR>*mute=?#<CR> YES
Write Volume + <CR>*vol=+#<CR> YES
Write Volume - <CR>*vol=-#<CR> YES
Audio source
select
Write
<CR>*vol=value#<CR> YES
customer
Read Volume Status <CR>*vol=?#<CR> YES
Write Mic. Volume + <CR>*micvol=+#<CR> NO
Write Mic. Volume - <CR>*micvol=-#<CR> NO
Read Mic. Volume Status <CR>*micvol=?#<CR> NO
Write Audio pass Through off <CR>*audiosour=off#<CR> NO
Write Audio-Computer1 <CR>*audiosour=RGB#<CR> NO
Write Audio-Computer2 <CR>*audiosour=RGB2#<CR> NO
Write Audio-Video/S-Video <CR>*audiosour=vid#<CR> NO
Write Audio-Component <CR>*audiosour=ypbr#<CR> NO
Write Audio-HDMI <CR>*audiosour=hdmi#<CR> NO
Volume level for
Picture
Write Audio-HDMI2 <CR>*audiosour=hdmi2#<CR> NO
Read Audio pass Status <CR>*audiosour=?#<CR> NO
Write Bright <CR>*appmod=bright#<CR> YES
Read Silence mode <CR>*appmod=silence#<CR> YES
Write Vivid <CR>*appmod=vivid#<CR> NO
Write User1 <CR>*appmod=user1#<CR> YES
Read ISF Day <CR>*appmod=isfday#<CR> NO
Read ISF Night <CR>*appmod=isfnight#<CR> NO
Read 3D <CR>*appmod=threed#<CR> Yes
Write Cinema <CR>*appmod=cine#<CR> YES
Write Sport <CR>*appmod=sport#<CR> YES
Write Living Room <CR>*appmod=livingroom#<CR> Yes
Picture Setting
Read HDR10 <CR>*appmod=hdr10<CR> YES
Read HLG <CR>*appmod=hlg<CR> YES
Write Picture Mode <CR>*appmod=?#<CR> YES
Write Contrast + <CR>*con=+#<CR> YES
Write Contrast - <CR>*con=-#<CR> YES
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Write Set Contrast value <CR>*con=value#<CR> YES
Read Contrast value <CR>*con=?#<CR> YES
Write Brightness + <CR>*bri=+#<CR> YES
Write Brightness - <CR>*bri=-#<CR> YES
Write Set Brightness value <CR>*bri=value#<CR> YES
Read Brightness value <CR>*bri=?#<CR> YES
Write Color + <CR>*color=+#<CR> YES
Write Color - <CR>*color=-#<CR> YES
Write Set Color value <CR>*color=value#<CR> YES
Read Color value <CR>*color=?#<CR> YES
Write Tint + <CR>*tint=+#<CR> YES
Write Tint - <CR>*tint=-#<CR> YES
Write Set Tint value <CR>*tint=value#<CR> YES
Read Get Tint value <CR>*tint=?#<CR> YES
Write Sharpness + <CR>*sharp=+#<CR> YES
Write Sharpness - <CR>*sharp=-#<CR> YES
Write Set Sharpness value <CR>*sharp=value#<CR> YES
Read Sharpness value <CR>*sharp=?#<CR> YES
Write Flesh Tone + <CR>*fleshtone=+#<CR> NO
Write Flesh Tone - <CR>*fleshtone=-#<CR> NO
Read Flesh Tone value <CR>*fleshtone=?#<CR> NO
Color
Write
<CR>*ct=warmer#<CR> NO
Temperature-Warmer
Color
Write
<CR>*ct=warm#<CR> YES
Temperature-Warm
Color
Write
<CR>*ct=normal#<CR> YES
Temperature-Normal
Color
Write
<CR>*ct=cool#<CR> YES
Temperature-Cool
Color
Write
<CR>*ct=cooler#<CR> NO
Temperature-Cooler
Color
Write
Temperature-lamp
<CR>*ct=native#<CR> YES
native
Color Temperature
Read
<CR>*ct=?#<CR> YES
Status
Write Aspect 4:3 <CR>*asp=4:3#<CR> YES
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Write Aspect 16:6 <CR>*asp=16:6#<CR> NO
Write Aspect 16:9 <CR>*asp=16:9#<CR> YES
Write Aspect 16:10 <CR>*asp=16:10#<CR> NO
Write Aspect Auto <CR>*asp=AUTO#<CR> YES
Write Aspect Real <CR>*asp=REAL#<CR> YES
Write Aspect Letterbox <CR>*asp=LBOX#<CR> NO
Write Aspect Wide <CR>*asp=WIDE#<CR> NO
Write Aspect Anamorphic <CR>*asp=ANAM#<CR> NO
Write
<CR>*asp=ANAM2.35#<CR> NO
2.35
Aspect Anamorphic
Aspect Anamorphic
Write
<CR>*asp=ANAM16:9#<CR> NO
16:9
Read Aspect Status <CR>*asp=?#<CR> YES
Write Digital Zoom In <CR>*zoomI#<CR> NO
Write Digital Zoom out <CR>*zoomO#<CR> NO
Write Auto <CR>*auto#<CR> NO
Write Brilliant color on <CR>*BC=on#<CR> YES
Write Brilliant color off <CR>*BC=off#<CR> YES
Reset current picture
Write
<CR>*rstcurpicsetting#<CR> YES
settings
Reset all picture
Write
<CR>*rstallpicsetting#<CR> NO
settings
Read Brilliant color status <CR>*BC=?#<CR> YES
Operation
Settings
Write
<CR>*pp=FT#<CR> YES
Position-Front Table
Projector
Projector
Write
<CR>*pp=RE#<CR> YES
Position-Rear Table
Projector
Write
<CR>*pp=RC#<CR> YES
Position-Rear Ceiling
Projector
Write
<CR>*pp=FC#<CR> YES
Position-Front Ceiling
Write Quick cooling on <CR>*qcool=on<CR> NO
Write Quick cooling off <CR>*qcool=off<CR> NO
Read Quick cooling status <CR>*qcool=?<CR> NO
Write Quick auto search <CR>*QAS=on#<CR> NO
Write Quick auto search <CR>*QAS=off#<CR> NO
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Read
Quick auto search
<CR>*QAS=?#<CR> NO
status
Read
<CR>*pp=?#<CR> YES
Status
Write Direct Power On-on <CR>*directpower=on#<CR> YES
Write Direct Power On-off <CR>*directpower=off#<CR> YES
Direct Power
Projector Position
Read
<CR>*directpower=?#<CR> YES
On-Status
Write Signal Power On-on <CR>*autopower=on#<CR> NO
Write Signal Power On-off <CR>*autopower=off#<CR> NO
Read Signal Power On-Status <CR>*autopower=?#<CR> NO
Standby
Write
<CR>*standbynet=on#<CR> NO
Settings-Network on
Standby
Write
<CR>*standbynet=off#<CR> NO
Settings-Network off
Standby
Read
Settings-Network
<CR>*standbynet=?#<CR> NO
Write
Write
Read
Write
Write
Status
Standby
Settings-Microphone
on
Standby
Settings-Microphone
off
Standby
Settings-Microphone
Status
Standby
Settings-Monitor Out
on
Standby
Settings-Monitor Out
<CR>*standbymic=on#<CR> NO
<CR>*standbymic=off#<CR> NO
<CR>*standbymic=?#<CR> NO
<CR>*standbymnt=on#<CR> NO
<CR>*standbymnt=off#<CR> NO
off
Standby
Read
Settings-Monitor Out
<CR>*standbymnt=?#<CR> NO
Status
Baud Rate Write 2400 <CR>*baud=2400#<CR> NO
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Lamp Control
Write 4800 <CR>*baud=4800#<CR> NO
Write 9600 <CR>*baud=9600#<CR> NO
Write 14400 <CR>*baud=14400#<CR> NO
Write 19200 <CR>*baud=19200#<CR> NO
Write 38400 <CR>*baud=38400#<CR> NO
Write 57600 <CR>*baud=57600#<CR> NO
Write 115200 <CR>*baud=115200#<CR> NO
Read Current Baud Rate <CR>*baud=?#<CR> NO
Read Lamp Hour <CR>*ltim=?#<CR> YES
Read Lamp2 Hour <CR>*ltim2=?#<CR> NO
Write Normal mode <CR>*lampm=lnor#<CR> YES
Write Eco mode <CR>*lampm=eco#<CR> YES
Write SmartEco mode <CR>*lampm=seco#<CR> YES
Write SmartEco mode 2 <CR>*lampm= seco2#<CR> NO
Write SmartEco mode 3 <CR>*lampm= seco3#<CR> NO
Write Dimming mode <CR>*lampm=dimming#<CR> NO
Miscellaneous
Write Custom mode <CR>*lampm=custom#<CR> NO
Light level for custom
Write
<CR>*lampcustom=value#<CR> NO
mode
Light level status for
Read
<CR>*lampcustom=?#<CR> NO
custom mode
Read Lamp Mode Status <CR>*lampm=?#<CR> YES
Read Model Name <CR>*modelname=?#<CR> YES
Write Blank On <CR>*blank=on#<CR> YES
Write Blank Off <CR>*blank=off#<CR> YES
Read Blank Status <CR>*blank=?#<CR> YES
Write Freeze On <CR>*freeze=on#<CR> Yes
Write Freeze Off <CR>*freeze=off#<CR> YES
Read Freeze Status <CR>*freeze=?#<CR> YES
Write Menu On <CR>*menu=on#<CR> YES
Write Menu Off <CR>*menu=off#<CR> YES
Write Up <CR>*up#<CR> YES
Write Down <CR>*down#<CR> YES
Write Right <CR>*right#<CR> YES
Write Left <CR>*left#<CR> YES
Write Enter <CR>*enter#<CR> YES
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Write 3D Sync Off <CR>*3d=off#<CR> NO
Projection Log In Code
Projection Log In Code
Projection Log In Code
Write 3D Auto <CR>*3d=auto#<CR> YES
Write 3D Sync Top Bottom <CR>*3d=tb#<CR> YES
Write
<CR>*3d=fs#<CR> NO
Sequential
Write 3D Frame packing <CR>*3d=fp#<CR> YES
Write 3D Side by side <CR>*3d=sbs#<CR> YES
Write 3D inverter disable <CR>*3d=da#<CR> NO
Write 3D inverter <CR>*3d=iv#<CR> YES
Write 2D to 3D <CR>*3d=2d3d#<CR> NO
Write 3D nVIDIA <CR>*3d=nvidia#<CR> NO
Read 3D Sync Status <CR>*3d=?#<CR> YES
Remote
3D Sync Frame
Write
<CR>*rr=fr#<CR> NO
Receiver-front+rear
Write Remote Receiver-front <CR>*rr=f#<CR> NO
Write Remote Receiver-rear <CR>*rr=r#<CR> NO
Write Remote Receiver-top <CR>*rr=t#<CR> NO
Write
<CR>*rr=tf#<CR> NO
Receiver-top+front
Remote
Remote
Write
<CR>*rr=tr#<CR> NO
Receiver-top+rear
Remote Receiver
Read
<CR>*rr=?#<CR> NO
Status
Write Instant On-on <CR>*ins=on#<CR> NO
Write Instant On-off <CR>*ins=off#<CR> NO
Read Instant On Status <CR>*ins=?#<CR> NO
Write Lamp Saver Mode-on <CR>*lpsaver=on#<CR> NO
Write Lamp Saver Mode-off <CR>*lpsaver=off#<CR> NO
Lamp Saver Mode
Read
<CR>*lpsaver=?#<CR> NO
Status
Write
<CR>*prjlogincode=on#<CR> NO
on
Write
Read
off
<CR>*prjlogincode=off#<CR> NO
<CR>*prjlogincode=?#<CR> NO
Status
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Write Broadcasting on <CR>*broadcasting=on#<CR> NO
Write Broadcasting off <CR>*broadcasting=off#<CR> NO
Read Broadcasting Status <CR>*broadcasting=?<CR> NO
Write
<CR>*amxdd=on#<CR> NO
Discovery-on
AMX Device
AMX Device
Write
<CR>*amxdd=off#<CR> NO
Discovery-off
AMX Device
Read
<CR>*amxdd=?#<CR> NO
Discovery Status
Read Mac Address <CR>*macaddr=?#<CR> NO
Write High Altitude mode on <CR>*Highaltitude=on#<CR> YES
Write High Altitude mode off <CR>*Highaltitude=off#<CR> YES
High Altitude mode
Read
<CR>*Highaltitude=?#<CR> YES
status
Write Load Lens memory 1 <CR>*lensload=m1#<CR> NO
Write Load Lens memory 2 <CR>*lensload=m2#<CR> NO
Write Load Lens memory 3 <CR>*lensload=m3#<CR> NO
Write Load Lens memory 4 <CR>*lensload=m4#<CR> NO
Installation
Write Load Lens memory 5 <CR>*lensload=m5#<CR> NO
Write Load Lens memory 6 <CR>*lensload=m6#<CR> NO
Write Load Lens memory 7 <CR>*lensload=m7#<CR> NO
Write Load Lens memory 8 <CR>*lensload=m8#<CR> NO
Write Load Lens memory 9 <CR>*lensload=m9#<CR> NO
Write Load Lens memory 10 <CR>*lensload=m10#<CR> NO
Read Lens memory
Read
<CR>*lensload=?#<CR> NO
status
Write save Lens memory 1 <CR>*lenssave=m1#<CR> NO
Write save Lens memory 2 <CR>*lenssave=m2#<CR> NO
Write save Lens memory 3 <CR>*lenssave=m3#<CR> NO
Write save Lens memory 4 <CR>*lenssave=m4#<CR> NO
Write save Lens memory 5 <CR>*lenssave=m5#<CR> NO
Write save Lens memory 6 <CR>*lenssave=m6#<CR> NO
Write save Lens memory 7 <CR>*lenssave=m7#<CR> NO
Write save Lens memory 8 <CR>*lenssave=m8#<CR> NO
Write save Lens memory 9 <CR>*lenssave=m9#<CR> NO
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Write save Lens memory 10 <CR>*lenssave=m10#<CR> NO
Write Reset Lens to center <CR>*lensreset=center#<CR> NO
Write Tint + <CR>*tint=+#<CR> YES
Write Tint - <CR>*tint=-#<CR> YES
Write Set Tint value <CR>*tint=value#<CR> YES
Read Get Tint value <CR>*tint=?#<CR> YES
Write Set BenQ gamma value <CR>*gamma=value#<CR> YES
Read Gamma value status <CR>*gamma=?#<CR> YES
Color
Calibration
Write
<CR>*hdrbri=value#<CR> YES
value
Get HDR Brightness
Set HDR Brightness
Read
<CR>*hdibri=?#<CR> YES
value
Write Red Gain + <CR>*RGain=+#<CR> YES
Write Red Gain - <CR>*RGain=-#<CR> YES
Write Set Red Gain value <CR>*RGain=value#<CR> YES
Read Get Red Gain value <CR>*RGain=?#<CR> YES
Write Green Gain + <CR>*GGain=+#<CR> YES
Write Green Gain - <CR>*GGain=-#<CR> YES
Write Set Green Gain value <CR>*GGain=value#<CR> YES
Read Get Green Gain value <CR>*GGain=?#<CR> YES
Write Blue Gain + <CR>*BGain=+#<CR> YES
Write Blue Gain - <CR>*BGain=-#<CR> YES
Write Set Blue Gain value <CR>*BGain=value#<CR> YES
Read Get Blue Gain value <CR>*BGain=?#<CR> YES
Write Red Offset + <CR>*ROffset=+#<CR> YES
Write Red Offset - <CR>*ROffset=-#<CR> YES
Write Set Red Offset value <CR>*ROffset=value#<CR> YES
Read Get Red Offset value <CR>*ROffset=?#<CR> YES
Write Green Offset + <CR>*GOffset=+#<CR> YES
Write Green Offset - <CR>*GOffset=-#<CR> YES
Write Set Green Offset value <CR>*GOffset=value#<CR> YES
Get Green Offset
Read
<CR>*GOffset=?#<CR> YES
value
Write Blue Offset + <CR>*BOffset=+#<CR> YES
Write Blue Offset - <CR>*BOffset=-#<CR> YES
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Write Set Blue Offset value <CR>*BOffset=value#<CR> YES
Get White Green Gain
Read Get Blue Offset value <CR>*BOffset=?#<CR> YES
Write Primary Color <CR>*primcr=value#<CR> YES
Read Primary Color Status <CR>*primcr=?#<CR> YES
Write Hue + <CR>*hue=+#<CR> YES
Write Hue - <CR>*hue=-#<CR> YES
Write Set Hue value <CR>*hue=value#<CR> YES
Read Get Hue value <CR>*hue=?#<CR> YES
Write Saturation + <CR>*saturation =+#<CR> YES
Write Saturation - <CR>*saturation =-#<CR> YES
Write Set Saturation value <CR>*saturation =value#<CR> YES
Read Get Saturation value <CR>*saturation =?#<CR> YES
Write Gain + <CR>*gain=+#<CR> YES
Write Gain - <CR>*gain=-#<CR> YES
Write Set Gain value <CR>*gain=value#<CR> YES
Read Get Gain value <CR>*gain=?#<CR> YES
Write Color Gamut Auto <CR>*cgamut=auto#<CR> NO
Write Color Gamut BT.709 <CR>*cgamut=bt.709#<CR> NO
Write Color Gamut BT.2020 <CR>*cgamut=bt.2020#<CR> NO
Write Color Gamut DCI-P3 <CR>*cgamut=dci-p3#<CR> NO
Read Color Gamut Value <CR>*cgamut=?#<CR> NO
Write Dynamic Iris ON <CR>*diris=on#<CR> YES
Write Dynamic Iris OFF <CR>*diris=off#<CR> YES
Read Dynamic Iris status <CR>*diris=?#<CR> YES
Set White Red Gain
Write
<CR>*WRGain=value#<CR> YES
value
Set White Green Gain
Write
<CR>*WGGain=value#<CR> YES
value
Write
Read
Read
Read
Set White Blue Gain
<CR>*WBGain=value#<CR> YES
value
Get White Red Gain
<CR>*WRGain=?#<CR> YES
value
<CR>*WGGain=?#<CR> YES
value
Get White Blue Gain
<CR>*WBGain=?#<CR> YES
value
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