LG 26TS30MF Installation Manual page 52

C-2. Recommendation test pattern (in case of 3x3)
1) The test pattern needs to be moved and scaled up and down for comparing
"White color" between 2x2 signage video wall displays
* Check point: White and gray color
Check!
Check!
Check!
st
1 Step
Check!
nd
2 Step
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