Optoma UHD51 User Manual page 30

USING THE PROJECTOR
Brightness Mode
Adjust the brightness mode settings.
‡ Eco: Choose "Eco" to dim the projector lamp which will lower power consumption and extend the lamp
life.
‡ Bright: Choose "Bright" to increase the brightness.
Digital Zoom
Use to reduce or magnify an image on the projection screen.
Aspect ratio
Select the aspect ratio of the displayed image.
‡ 4e:3: This format is for 4:3 input sources.
‡ 16e:9: This format is for 16:9 input sources, like HDTV and DVD enhanced for Wide screen TV.
‡ Native: This format displays the original image without any scaling.
‡ Auto: Automatically selects the appropriate display format.
4K UHD scaling table:
16 e: 9 screen
4x3
16x9
Native mode
Auto
Auto mapping rule:
4:3
Wide Laptop
SDTV
HDTV
30 English
480i/p 576i/p
Scale to 2880 x 2160.
Scale to 3840 x 2160.
1:1 mapping centered.
No scaling will be made; the displayed resolution depends on 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 16:10, the screen type will be scaled to 3456 x 2160.
Input resolution
H-resolution
640
800
1024
1280
1400
1600
1280
1280
1280
720
720
1280
1920
720p
V-resolution
480
600
768
1024
1050
1200
720
768
800
576
480
720
1080
1080i/p
Auto/Scale
3840 2160
2880 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
2160p