Benq MP510 User Manual download pdf (Page 26)

Operation26

Fine-tuning the picture clarity

If needed, sharpen the picture by rotating the focus ring.

If you are still not satisfied with the picture clarity, see "Sharpness" on page 35 to make further

adjustment.

Selecting the aspect ratio

The 'aspect ratio' is the ratio of the picture width to the picture 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 picture output to a different aspect than that of the picture

input source.

You can change the projected picture ratio (no matter what aspect the source is) by entering

the

Pro-Picture > Aspect Ratio menu. Select an aspect ratio to suit the format of

the video signal and your display requirements. There are three aspect ratios available:

In the pictures below, the black portions are inactive areas and the white portions are active

areas.

1. Native: The picture is projected at its original resolution, with no

pixel conversion. For input signals with lower resolutions, the

projected picture will display smaller than if resized to full screen.

You could move the projector towards the screen to increase the

picture size if necessary. You may also need to refocus the projector

after moving the projector.

2. 4:3: Scales a picture so that it is displayed in the center of the screen

with a 4:3 aspect ratio. This is most suitable for 4:3 pictures like

computer monitors, standard definition TV and 4:3 aspect DVD

movies, as it displays them without aspect alteration.

3. 16:9: Scales a picture so that it is displayed in the center of the screen

with a 16:9 aspect ratio. This is most suitable for pictures which are

already in a 16:9 aspect, like high definition TV, as it displays them

without aspect alteration.

16:9 aspect ratio is only sourced through the Component Video input when

being fed an appropriate 16:9 aspect signal. See "Connecting a Component Video source

device" on page 19 and "Obtaining a preferred projected picture size" on page 14 for details.

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Benq MP510 User Manual Page 26