Optoma HIGH-END - Manual (Page 39)

User Controls
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English
Overscan Adjustment
Overscan function that removes the noise in a video image.
Edge Masking
There are four Mask effects -- top, down, left and right -- which
provide pure black bars to mask the input image.
1) Press the “Menu” button on the remote.
2) Use “ ”, “ ” to highlight the DISPLAY category, press
“Enter” or “ ” to select this adjustment category. Use
“ ”, “ ” arrow keys to highlight the “Edge Masking”
adjustment item.
3) Press “Enter” or “ ” to enter this adjustment item. The
Menu disappears and a sub menu as shown.
4) Use “ ”, “ ” to select “Setting”, then press “Enter” or
“ ” to enter the mask size setting.
5) Press the buttons “ ”, “ ”, “ ”, “ ” to select one
edge/direction (Up, Down, left or Right) for the edge mask.
Press “Enter” when fi nished.
6) Use “ ”, “ ”, “ ”, “ ” arrow keys to adjust the edge
size.
7) User can use “Mask Back Color” to fi ne-tune background
color (gray level). Select the item and a bar will appear,
as follows. Use “ ”, “ ” to change each bit and use “ ”,
“ ” to change values. The range of values is 0~255.