ViewSonic Projector PJD7835HD User Manual

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Dimensions
 362 mm (W) x 238 mm (D) x 116 mm (H)
Ceiling mount installation
238362
11 6
Ceiling mount screws:
M4 x 8 (Max. L = 8 mm)
Unit: mm
65.89
113.54
60.01 

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Appendix
LED indicator messages
LED TypeColorStatusMeaning
Power LED Blue Solid
Normal power of standby mode . Temp LED Red Off
Lamp LED Red Off
Power LED Blue Flash
Low power of standby mode.  Temp LED Red Off
Lamp LED Red Off
Power LED Blue Flash
Powering up Te m p LED Red Off
Lamp LED Red Off
Power LED Blue Solid
Normal operation Temp LED Red Off
Lamp LED Red Off
Power LED Blue Solid
Powering down Temp LED Red Off
Lamp LED Red Off
Power LED Blue Solid
If the projector system has some problems...

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Compatibility modes
Supported 3D signal for PC input
• The timings showing above may not be supported due to EDID file and VGA 
graphic card limitations. It is possible that some timings cannot be chosen.
• 120Hz is signals are supported for frame sequential format only.
Resolution
Horizontal 
frequency 
(KHz)Ve r t i c a l  
frequency 
(Hz)Pixel 
Frequency 
(MHz)3D frame 
sequential3D top 
bottom3D side 
by side
640 x 48059.94 31.469 25.175
◎◎◎
72.809 37.861 31.500
75 37.5 31.500
85.008 43.269...

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Supported timing for Component-YPbPr input
• *Supported timing for 3D signal with Frame Sequential format.
• Displaying a 1080i(1125i)@60Hz or 1080i(1125i)@50Hz signal may result in slight 
image vibration.
TimingResolutionVertical 
Frequency (Hz)Horizontal 
Frequency 
(kHz)Pixel 
Frequency 
(MHz)
480i* 720 x 480 59.94 15.73 13.5
480p* 720 x 480 59.94 31.47 27
576i 720 x 576 50 15.63 13.5
576p 720 x 576 50 31.25 27
720/50p 1280 x 720 50 37.5 74.25
720/60p* 1280 x 720 60 45.00 74.25
1080/50i 1920 x...

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Troubleshooting
Refer to the symptoms and measures listed below before sending the projector for 
repairs. If the problem persists, contact your local reseller or service center. Please 
refer to LED Indicator Messages as well.
Start-up problems
If no lights turn on:
•
Be sure that the power cord is securely connected to the projector and the other end is 
plugged into an outlet with power.
• Press the power button again.
•
Unplug the power cord and wait for a short while, then plug it in and press...

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RS-232 command and configuration
                 
D-Sub 9 pin
11 CD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Baud Rate 115200 bps
Data Length 8 bit
Parity Check None
Stop Bit 1 bit
Flow Control None           Wire List
C1 COLOR C2
1 Black 1
2Brown 3
3Red 2
4 Orange 6
5 Yellow 5
6Green 4
7Blue 8
8Purple 7
9White 9
SHELL DW SHELL 

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FunctionStatusActioncmd
PowerWritePower on 0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x00 0x00 0x5D 
Power off 0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x01 0x00 0x5E 
Read Power status (on/off)0x07 0x14 0x00 0x05 0x00 0x34 0x00 0x00 0x11 0x00 
0x5E 
Reset all settings Execute 0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x02 0x00 0x5F
Reset Color 
SettingsExecute 0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x2A 0x00 0x87
Spl ash Scre enWriteSplash Screen Black 0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x0A 0x00 0x67 
Splash Screen Blue...

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ContrastWriteContrast decrease 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x02 0x00 0x60
Contrast increase 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x02 0x01 0x61
Read Contrast ratio0x07 0x14 0x00 0x05 0x00 0x34 0x00 0x00 0x12 0x02 
0x61 
BrightnessWriteBrightness decrease 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x03 0x00 0x61
Brightness increase 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x03 0x01 0x62 
Read Brightness0x07 0x14 0x00 0x05 0x00 0x34 0x00 0x00 0x12 0x03 
0x62 
Aspect ratioWriteAspect ratio Auto 0x06 0x14 0x00...

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Primary ColorWritePrimary color R 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x10 0x00 0x6E
Primary color G 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x10 0x01 0x6F
Primary color B 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x10 0x02 0x70
Primary color C 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x10 0x03 0x71
Primary color M 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x10 0x04 0x72
Primary color Y 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x10 0x05 0x73
Read Primary color status0x07 0x14 0x00 0x05 0x00 0x34 0x00 0x00 0x12 0x10 
0x6F...

 59
LanguageWriteEnglish 0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x00 0x61
0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x01 0x62
Deutsch 0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x02 0x63
Italiano 0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x03 0x64
0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x04 0x65
0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x05 0x66
0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x06 0x67
0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x07 0x68
0x06 0x14 0x00 0x04 0x00 0x34 0x15 0x00 0x08 0x69
0x06 0x14 0x00...