AT-OMNI-121 / AT-OMNI-122
80
Device Operation
7. Enter the starting coordinates of the portion of
the source stream that will be displayed on this
decoder in the
Horizontal
and
Vertical
fields..
These values are the pixel start position (upper
left most pixel). The table below lists left and
right coordinates for a 2x2 video wall, with the
specified source resolution.
7
7
8
8. Click the
Rotation
drop-down list to select the rotation angle of the image. In this example, select
180
from
the drop-down list. The image will be flipped, vertically. This step is only applied when configuring the two top
displays.
NOTE:
0 and 180 used for landscape mode video walls and 90 and 270 for portrait mode.
Refer to
for more information.
Display
HD
MI
PW
R
LINK
TM
OMNI
STREAM
VOLUME
DISPLA
Y
INPUT
ID
1
2
1
2
1
2
ID
PW
R
LINK
TM
OMNI
STREAM
1
2
ID
PW
R
LINK
TM
OMNI
STREAM
1
2
ID
PW
R
LINK
TM
OMNI
STREAM
1
2
ID
PW
R
LINK
TM
OMNI
STREAM
LAN
Encoder
Decoder
Decoder
Decoder
Decoder
1
3
2
4
1
3
2
4
Figure 1.2: Landscape-mode 2x2 video wall requiring adjustment.
Source resolution
Width (pixels)
Height (pixels)
3840 x 2160 (UHD)
1920
1080
1920 x 1080 (1080p)
960
540
Table listing width and height examples for 2x2 video wall.
Table listing left and right coordinates for a 2x2 video wall.
Source resolution
Upper Left
Upper Right
Lower Left
Lower Right
3840 x 2160 (UHD)
0, 0
1920, 0
0, 1080
1920, 1080
1920 x 1080 (1080p)
0, 0
960, 0
0, 540
960, 540
The image on Display 1 in the upper-left corner, as illustrated below, has been cropped and rotated and is now
displayed correctly. At this point, one-fourth of the video wall has been configured.