ViewSonic Projector PJD7831HDL User Manual

26
Entering the password recall procedure
1. Press and hold Auto Sync on the remote control 
for 3 seconds. The projector will display a coded 
number on the screen.
2. Write down the number and turn off your 
projector.
3. Seek help from the local service center to decode 
the number. You may be required to provide 
proof of purchase documentation to verify that 
you are an authorized user of the projector.
The XXX shown in the above screenshot are numbers that vary depending on different 
projector...

27
Switching input signal
The projector can be connected to multiple devices at the same time. However, it can only 
display one full screen at a time. 
Be sure the Quick Auto Search function in the SOURCE menu is On if you want the 
projector to automatically search for the signals.
You can also manually select the desired signal by 
pressing one of the source selection keys on the 
remote control, or cycle through the available input 
signals.
1. Press Source. A source selection bar is 
displayed. 
2....

28
•Auto: Sets the projector to detect the HDMI range of the input signal 
automatically.
This function is only available when the HDMI input port is in use.
Refer to the documentation of the device for information on the color space and HDMI range 
settings.
Adjusting the projected image
Adjusting the projection angle
The projector is equipped with an adjuster foot. It 
changes the image height and vertical projection 
angle. Screw the adjuster foot to fine tune the 
angle until the image is positioned...

29
Fine-tuning the image clarity
Correcting keystone
Keystoning refers to the situation where the projected image becomes a trapezoid due to 
angled projection.
To correct this, besides adjusting the height of the projector, you will need to manually 
correct it following one of these steps.
• Using the remote control
1. Press /// to display the Keystone 
correction page.  
2. Press   to correct keystoning at the top of 
the image. Press   to correct keystoning at 
the bottom of the image. Press   to...

30
Adjusting 4 corners (PJD7831HDL/PJD36HDL)
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...

31
4. To reduce size of the picture, press Enter to switch back to the zoom in/out 
functionality, and press   repeatedly until it is restored to the original size. You can 
also press Auto Sync on the remote control to restore the picture to its original size.
• Using the OSD menu
1. Open the OSD menu and go to the 
DISPLAY > Zoom menu. 
2. Press Enter. The Zoom bar is displayed.
3. Repeat steps 2-4 in the section of Using the remote control above.
The picture can only be navigated after it is...

32
4.Panorama: Scales a 4:3 image vertically and 
horizontally in a non-linear manner so that it 
fills the screen.
5.2.35:1: Scales an image so that it is displayed in 
the center of the screen with a 2.35:1 aspect 
ratio without aspect alteration.
6.Anamorphic: Scales a 2.35:1 aspect image so 
that it fills the screen.
Optimizing the image
Selecting a picture mode
The projector is preset with several predefined picture modes so that you can choose one to 
suit your operating environment and input...

33
Using Screen Color
In the situation where you are projecting onto a colored surface such as a painted wall which 
may not be white, the Screen Color feature can help correct the projected picture’s colors to 
prevent possible color difference between the source and projected pictures.
To use this function, go to the DISPLAY > Screen Color menu and press / to select a 
color which is closest to the color of the projection surface. There are several precalibrated 
colors to choose from: Whiteboard,...

34 Adjusting Brilliant Color
Go to the PICTURE > Advanced > Brilliant Color menu and press /.
This feature utilizes a new color-processing algorithm and system level enhancements to 
enable higher brightness while providing truer, more vibrant colors in the projected picture. 
It enables a greater than 50% brightness increase in mid-tone images, which are common in 
video and natural scenes, so the projector reproduces images in realistic and true colors. If 
you prefer images with that quality, select a...

35
If you have purchased a test disc which contains various color test patterns and can be used 
to test the color presentation on monitors, TVs, projectors, etc., you can project any image 
from the disc on the screen and enter the Color Management menu to make adjustments.
To adjust the settings:
1. Open the OSD menu and go to the PICTURE > Advanced > Color Management 
menu.
2. Press Enter and the Color Management page is displayed.
3. Highlight Primary Color and press / to select a color from among...