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20 C2988M-A (6/11)
VGA: Supports a maximum video wall grid of 2 x 2 monitors.
Figure 8. VGA Connection
DVI: Supports a maximum video wall grid of 3 x 3 monitors.
Figure 9. DVI Connection
VIDEO WALL PARAMETERS
The following information describes the settings, and lists the submenu options/ranges and default settings for defining your video wall
parameters:
Monitor ID: Allows the user to set an individual monitor ID for each monitor. To control a monitor or multiple monitors that are daisy-chained by
RS-232, each monitor must have a unique monitor ID. Numbers 1 to 25 are available to be used as monitor IDs. It is recommended to number
each monitor in an RS-232 daisy chain sequentially starting with number 1.
NOTES:
• DVI input can support up to a 3 x 3 grid and loop through directly.
• VGA and video input can support up to a 2 x 2 grid and loop through directly.
Video Wall: Enables or disables the video wall. Select Yes to enable the video wall. The default setting is No, which disables the video wall
feature.
DVI Indemnity: Compensates manually for image degradation caused by daisy-chaining too many monitors using DVI cables. It is recommended
that you select the On option for the 7th, 8th, and 9th monitors in a DVI daisy-chain. For monitors 1 to 6, it is recommended that you select the
default Off option.
VGA
VGA
(1,1) (2,1)
(1,2) (2,2)
VGA
VGA
VGA IN DVI IN
VGA OUT DVI OUT
(1,1) (2,1) (3,1)
(1,2) (2,2) (3,2)
(1,3) (2,3) (3,3)
DVI DVI DVI
DVI DVI
DVI
DVI
DVI
DVI
VGA IN DVI IN
VGA OUT DVI OUT