User's Manual

2.6BrightnessandContrastControls
1)Ifyouclick<AutoAdjust>button,DeviceConfigurationwindowappearsas
shownbelow.
2)Ifyouclick<Preview>,thefingerprintimageiscaptured.Ifitappearstoo
bright as below, adjust
Brightness
or
Contrast
. If it is still bright,
increase
Gain
valueonelevelatatime.