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4.6.2 Gray values range of rear targets
1. The gray values range of rear targets is 210-255. If the rear target gray
value is less than 210 when the operator run the cameras on
"preparation before measurement" screen, the system will indicate to
enter "gray value adjustment" screen to adjust values to the correct
range. It will affect the measurement precision if the gray value less then
210.
2. The values on the screen is green when the rear targets gray value
within the correct range, or it is red if the gray values out of correct
range.
4.6.3 Gray values range of front targets
1. The gray values range of front targets is 210-255. If the front target
gray value is less than 210 when the operator run the cameras on
"preparation before measurement" screen, the system will indicate to
enter "gray value adjustment" screen to adjust values to the correct
range. It will affect the measurement precision if the gray value less then
210.
2. The values on the screen is green when the front targets gray value
within the correct range, or it is red if the gray values out of correct
range.
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