ViewSonic LS740HD User Guide English - Page 45

Aspect Ra°o, Keystone

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Menu Aspect Ratio Zoom Keystone Description Select the aspect ratio of the projected image. Aspect Ratio 4:3 16:9 L.BOX Full Auto Description Scales an image so that it is displayed in the center of the screen with a 4:3 aspect ratio. This is most suitable for 4:3 images like computer monitors, standard definition TV, and 4:3 aspect DVD movies, as it displays them without aspect alteration. Scales an image so that it is displayed in the center of the screen with a 16:9 aspect ratio. This is most suitable for images which are already in a 16:9 aspect, like high definition TV. For non-16:9 letterbox source and if you use an external 16:9 lens to display 2.35:1 aspect ratio in full resolution. Extend the image to fully fill the screen. Scales an image proportionally to fit the projector's native resolution in its horizontal width. This is suitable for the incoming image which is neither 4:3 nor 16:9 and you want to make the most use of the screen without altering the image's aspect ratio. Reduce or magnify the projected image. Option Four Corners H. Keystone V. Keystone Reset Description Adjust each corner to make a square image when the projection surface is not level. NOTE: While adjusting the Four Corners, the Aspect Ratio, and Zoom menus will be disabled. To enable them, reset the Keystone settings to default. Adjust image distortion horizontally. Adjust image distortion vertically. Return the Keystone settings to default. 45

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45
Menu
Descrip°on
Aspect Ra°o
Select the aspect ra°o of the projected image.
Aspect Ra°o
Descrip°on
4:3
Scales an image so that it is displayed
in the center of the screen with a 4:3
aspect ra°o. This is most suitable for
4:3 images like computer monitors,
standard defini°on TV, and 4:3
aspect DVD movies, as it displays
them without aspect altera°on.
16:9
Scales an image so that it is displayed
in the center of the screen with
a 16:9 aspect ra°o. This is most
suitable for images which are already
in a 16:9 aspect, like high defini°on
TV.
L.BOX
For non-16:9 le±erbox source and
if you use an external 16:9 lens to
display 2.35:1 aspect ra°o in full
resolu°on.
Full
Extend the image to fully fill the
screen.
Auto
Scales an image propor°onally to fit
the projector’s na°ve resolu°on in its
horizontal width. This is suitable for
the incoming image which is neither
4:3 nor 16:9 and you want to make
the most use of the screen without
altering the image’s aspect ra°o.
Zoom
Reduce or magnify the projected image.
Keystone
Op°on
Descrip°on
Four Corners
Adjust each corner to make a square
image when the projec°on surface is
not level.
NOTE:
While adjus°ng the Four
Corners, the Aspect
Ra°o, and Zoom menus
will be disabled. To
enable them, reset the
Keystone se³ngs to
default.
H. Keystone
Adjust image distor°on horizontally.
V. Keystone
Adjust image distor°on ver°cally.
Reset
Return the Keystone se³ngs to
default.