Optoma UHD55 User Manual page 36

USING THE PROJECTOR
4K UHD scaling table:
16 e: 9 screen
4x3
16x9
LBX
Native mode
Auto
Auto mapping rule:
4:3
Wide Laptop
SDTV
HDTV
Zoom menu
Use to reduce or magnify an image on the projection screen.
Notee:
Zoom settings are retained on power cycle of the projector.
Image Shift menu
Adjust the projected image position horizontally (H) or vertically (V).
Notee:
The image size will reduce slightly when adjusting the horizontal and vertical keystone.
36 English
480i/p 576i/p
Scale to 2880 x 2160.
Scale to 3840 x 2160.
Get the central 3840 x 1620 image, and then scale to 3840 x 2160 for display.
1:1 mapping centered.
No scaling will be made; the displayed resolution depends on the input source.
-If source is 4:3, the screen type will be scaled to 2880 x 2160.
-If source is 16:9, the screen type will be scaled to 3840 x 2160.
-If source is 15:9, the screen type will be scaled to 3600 x 2160.
-If source is 16:10, the screen type will be scaled to 3456 x 2160.
Input resolution
H-resolution
800
1024
1280
1400
1600
1280
1280
1280
720
720
1280
1920
720p
V-resolution
600
768
1024
1050
1200
720
768
800
576
480
720
1080
1080i/p 2160p
Auto/Scale
3840 2160
2880 2160
2880 2160
2880 2160
2880 2160
2880 2160
3840 2160
3600 2160
3456 2160
2700 2160
3240 2160
3840 2160
3840 2160