Optoma HD82 - Manual (Page 29)

English

User Controls
 LBX: This format is for non-16x9, letterbox source and for users
who use external anamorphic lens to display 2.35:1 aspect ratio
using full resolution.
Detail informations about LBX mode :
1. Some Letter-Box DVDs are not enhanced for 16x9 TVs. In
this situation, the image will not look right when displayed in
16:9 mode.
In this situation, please try to using the 4:3 mode to view the
DVD.
If the content is not 4:3, there will be black bars around the
image in 16:9 display. For this type of content, you can use
LBX mode to fill the image on the 16:9 display.
2. If you use an external anamorphic lens, this LBX mode also
allows you to watch a 2.35:1 content (include Anamorphic
DVD and HDTV film source) that support anamorphic wide is
enhanced for 16x9 Display in a wide 2.35:1 image.
In this case, there are no black bars. Lamp power and verti-
cal resolution are fully utilized.
Overscan
Overscan function removes the noise in a video image. Overscan
the image to remove video encoding noise on the edge of video
source.
Edge Mask
 Press the to reduce the size of an image.
 Press the to magnify an image on the projection screen.
V Image Shift
Shift the projected image position vertically.
V Keystone
Press the or to adjust image distortion vertically and make a
squarer image.
 Each I/O has differ-
ent setting of “Over-
scan”.
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