ViewSonic Projector PJD7835HD User Manual

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INFORMATION
Current System Status
Shows the currect system status.
Source
Shows the current signal source.
Color Mode
Shows the selected mode in the Color Mode menu.
Resolution
Shows the native resolution of the input signal.
Color System
Shows input system format, NTSC, PAL, SECAM, or RGB.
Lamp Hours
Displays the number of hours the lamp has been used.
Filter Hours
Displays the number of hours the filter has been used.
Firmware Version
Shows firmware version. 

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Using the projector in standby mode
Some of the projector functions are available in standby mode (plugged in but not 
turned on). To use these functions, be sure you have turned on the corresponding 
menus under SOURCE > Standby Settings, and the cable connections are correctly 
made. For the connection methods, see the Connection on page 14 chapter.
Active VGA out
Selecting On outputs a VGA signal when the COMPUTER IN and COMPUTER OUT 
sockets are correctly connected to devices. The projector...

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Adjusting the Audio In 2 setting
1. Open the OSD menu and go to the SYSTEM SETTING: ADVANCED > Audio 
Settings > Audio In 2 menu.
2. Press  /  to decide the audio input source for the AUDIO IN 2/MIC port. This 
will affect the connection method for different devices, and where the sound is 
from.
• When Audio is selected:
• The selected input signal determines which sound will be played by the projector speaker,
and which sound will be output from the projector when AUDIO OUT is connected. For...

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Adjusting 4 corners
You can manually adjusts the shape and size of an image that is unevenly rectangular 
on all sides.
1. To display the Corner Adj. page, you can do one of the followings:
i. Press Enter.
ii. Open the OSD menu and go to the DISPLAY > Corner Adj. menu and press 
Enter. The Corner Adj. page is displayed.
2.Press  /// to select the corner you wish to adjust and press Enter.
3. Press  /  to select an adjustment method that suits your need and press Enter.
4.Press  /// to adjust its...

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Maintenance
The projector needs proper maintenance. You should keep the lens clean as dust, dirt 
or spots will project on the screen and diminish image quality. If any other parts need 
replacing, contact your dealer or qualified service personnel. When cleaning any part 
of the projector, always switch off and unplug the projector first.
Warning
• Never open any of the covers on the projector. Dangerous electrical voltages inside the 
projector can cause severe injury. Do not attempt to service...

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Installing the dust filter (optional accessory)
Caution
• It is important to clean the dust filter every 100 hours after the dust filter is installed.
• Be sure to turn off the projector and unplug it from power source before installing or 
detaching the filter.
• If your projector is ceiling-mounted or is not easily accessible, pay special attention to 
your personal safety when replacing the dust filter.
Installing the dust filter
1. Be sure to turn off the projector and unplug it from power...

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Resetting the filter timer
5. Open the OSD menu and go to the SYSTEM SETTING: ADVANCED > Filter 
Settings menu. 
6. Press Enter and the Filter Settings page is displayed.
7. Highlight Reset Filter Hours and press Enter. A warning message is displayed 
asking if you want to reset the filter timer.
8. Highlight Reset and press Enter. The lamp timer will be reset to 0.
Caution
• Remember to use Filter Mode to Off in the SYSTEM SETTING: ADVANCED > Filter 
Settings menu when using the projector with the...

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Replacing the lamp
As the projector operates over time, the brightness of the projector lamp gradually 
decreases and the lamp becomes more susceptible to breakage. We recommend 
replacing the lamp if a warning message is displayed. Do not attempt to replace the 
lamp yourself. Contact the qualified service personnel for replacement.
Note
• The lamp is extremely hot right after turning off the projector. If you touch the lamp, you 
may scald your finger. When you replace the lamp, wait for at least...

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1. Turn off the projector.
2. If the projector is installed in a ceiling mount, remove it.
3. Unplug the power cord.
4. Loosen the screw in the side of the lamp cover.1
5. Remove the cover.2
6. Loosen the screws from the lamp module.3
7. Raise the handle and pull out the lamp module slowly and carefully.4
8. Insert the new lamp module into the projector and tighten the screws.
9. Replace the lamp cover and tighten the screw.
10. Turn on the projector.  If the lamp does not turn on after the warm-up...

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Specifications
Model name PJD7830HDL PJD7835HD
Dislay system Single 0.65 DLP panel
Resolution 1080P
Zoom 1.36x
F/No. 2.41 - 2.78
Focal length 15.76 - 21.11mm
Screen size 30” - 300”
Lamp 220W 250W
Input terminalD-Sub 15-pin x 1, HDMI x 1, Video x 1, Audio signal input (3.5 mm stereo mini 
jack) x 1, Audio signal input/Microphone input x 1
Output terminalD-Sub 15 pin x 1, Audio signal output (3.5 mm stereo mini jack) x 1, USB type 
A port for power charging (5V/2A)
Control terminalRS-232 x 1, Mini-B...