NAC Image Technology SP-642 User Manual page 194

・White Balance Display/Settings
Open the "White Balance" window.
When "White Balance" is selected in CUSTOM, the RGB gain for the white balance gain can
be set. Otherwise, the RGB gain value can only be set for display.
Refer to 5-18 ~ 5-20 for details on the CUSTOM white balance and the auto white balance.
・Adjust Brightness
Image Brightness : Function to adjust the brightness and contrast.
Click "Adjust Brightness" on the "Adjust Image Quality" menu for the "Adjust Brightness"
dialogue to adjust the brightness.
Use "Adjust Image Quality" in the main tool bar to adjust the brightness
(Expert Mode only)
There is a method to numerically input brightness (black level: 0% position) and contrast (gain)
and a method of specifying by using the mouse to drag the ▲:black level : 0% position and the
△:white level: 100% position.
Change the value to redraw the image and confirm the effect.
Click "OK" to apply the set brightness and contrast.
5 - 16
and contrast .
(00292)H