User's Manual
2.6BrightnessandContrastControls
1)Ifyouclick<AutoAdjust>button,DeviceConfigurationwindowappearsas
shownbelow.
2)Ifyouclick<Preview>,thefingerprintimageiscaptured.Ifitappearstoo
bright as below, adjust
‘
Brightness
’
or
‘
Contrast
’
. If it is still bright,
increase
‘
Gain
’
valueonelevelatatime.