Extron Electronics VN-Matrix 250 User Guide - Manual (Page 114)

1. In the main Video wall screen, press Next to open the Set wall size screen.
2. Use the left rotary encoder to select the vertical number of displays in the Video wall
array.
3. Use the right rotary encoder to select the horizontal number of displays in the Video wall
array.
NOTE: If you have a Video wall that is 4 displays high and 3 displays wide, you
would set V size to 4 and H size to 3.
4. Press Next to save the changes and open the Set position screen.
5. Use the left rotary encoder to select the vertical position of the display in the Video wall
(1 represents the top row).
6. Use the right rotary encoder to select the horizontal position of the display in the Video
wall (1 represents the column furthest to the left).
NOTE: If you have a Video wall that is 4 displays high and 3 displays wide, and
the video stream is output to the second monitor from the left, in the top row, you
would set V pos to 1 and the H pos to 2.
7. Press Next to save the changes and open the Display compensation screen. This
allows you to compensate for overscan or underscan in positive or negative percentage
steps.
8. Use the left rotary encoder to adjust the vertical compensation.
9. Use the right rotary encoder to adjust the horizontal compensation.
10. Press Next to save the changes and return to the main Video wall screen.
11. Press Menu to open the Test Pattern sub‑menu.
Test Pattern Sub-menu
The Test Pattern sub‑menu allows you to enable or disable test patterns and select a
pattern that displays on the VND 250 output to assist in calibrating the system.
Test
Pattern MENU NEXT
Test Pattern
[Enable] [Pattern 1]
NEXT
Select Test Pattern:
Select Pattern:
Enable
Disable
Pattern type
Figure 90. VND 250 Decoder Test Pattern Sub-menu
1. In the main Test Pattern screen, press Next to open the Test Pattern selection
screen.
2. In the Test Pattern selection screen, use the left rotary encoder to toggle between
Enable and Disable. Enable displays the test pattern on the VND 250 (decoder)
display. Disable allows the normal video input to be displayed.
3. Use the right rotary encoder to select which test
pattern will be displayed.
Currently there is a single Test Mode splash screen
(see the figure to the right).
4. Press Next to return to the main Test Pattern
screen.
5. Press Menu to move to the main Genlock screen.
VNM 250 • Front Panel Menu Configuration 108