ViewSonic Projector PJD5151 User Manual

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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....

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•RGB: Sets the color space as RGB.
•YUV: Sets the color space as YUV.
•Auto: Sets the projector to detect the color space setting of the input signal 
automatically.
4. Highlight HDMI Range and press / to select a suitable HDMI color range 
according to the color range setting of the output device connected.
•Enhanced: Sets the HDMI color range as 0 - 255.
•Normal: Sets the HDMI color range as 15 - 235.
•Auto: Sets the projector to detect the HDMI range of the input signal 
automatically.
This...

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Fine-tuning the image clarity
Correcting keystone
Keystoning refers to the situation where the projected image is noticeably wider at either the 
top or bottom. It occurs when the projector is not perpendicular to the screen.
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
Press  /  to display the Keystone correction 
page. Press   to correct keystoning at the top of 
the image. Press   to...

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The picture can only be navigated after it is magnified. You can further magnify the picture 
while searching for details.
Selecting the aspect ratio
The aspect ratio is the ratio of the image width to the image height. Most analog TV and 
computers are in 4:3 ratio, and digital TV and DVDs are usually in 16:9 ratio.
With the advent of digital signal processing, digital display devices like this projector can 
dynamically stretch and scale the image output to a different aspect than that of the image...

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5.Anamorphic: Scales a 4:3 aspect image 
vertically and horizontally in a non-linear 
manner 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 signal picture type.
To select an operation mode that suits your need, you can follow one of the following steps.
• Press Color Mode repeatedly until your desired mode is selected.
•Go to the PICTURE >...

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Fine-tuning the image quality in user modes
According to the detected signal type, there are some user-definable functions available. 
You can make adjustments to these functions based on your needs.
Adjusting Brightness
Go to the PICTURE > Brightness menu and press /.
The higher the value, the brighter the image. And the 
lower the setting, the darker the image. Adjust this 
control so the black areas of the image appear just as 
black and that detail in the dark areas is visible.
Adjusting Contrast...

30 Selecting a gamma setting
Go to the PICTURE > Advanced > Gamma menu and select a preferred setting by 
pressing /.
Gamma refers to the relationship between input source and picture brightness.
Selecting a Color Temperature
Go to the PICTURE > Color Temp. menu and press /.
The options available for color temperature* settings vary according to the signal type 
selected.
1.Cool: With the highest color temperature, Cool makes the image appear the most 
bluish white than other settings.
2.Neutral: Makes...

31
Please refer to the illustration to the right for 
how the colors relate to each other.
For example, if you select Red and set its 
range at 0, only pure red in the projected 
picture will be selected. Increasing its range 
will include red close to yellow and red close 
to magenta.
5. Press   to highlight Saturation and adjust 
its values to your preference by pressing /
. Every adjustment made will reflect to the 
image immediately.
For example, if you select Red and set its 
value at 0, only the...

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6. Press   to highlight Timer Counting Direction and select your desired counting 
direction by pressing /.
7. Press   to highlight Sound Reminder and decide if you want to activate sound 
reminder by pressing /. If you select On, a double beep sound will be heard at 
the last 30 seconds of counting down/up, and a triple beep sound will be produced 
when the timer is up.
8. To activate the presentation timer, press   and press / to highlight Start 
Counting and press Enter.
9. A confirmation message...

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Keys on the remote control are still functional when panel key lock is enabled.
If you press  Power to turn off the projector without disabling panel key lock, the projector 
will still be in locked status the next time it is turned on.
Operating in a high altitude environment
We recommend you use the High Altitude Mode when your environment is between 1500 
m–3000 m above sea level, and temperature is between 5°C–25°C.
CAUTION
Do not use the High Altitude Mode if your altitude is between 0 m and 1500...