Microtek 3700 Reference Manual

Page of 166
Reference:  The Preview Window          29
Monitor Gamma Setup
The Monitor Gamma Setup command lets you compensate linear intensity of the
monitor, making them consistent between preview image and the final scanned
image.
Monitor Gamma
Check this box to enable monitor gamma value setting.
When the monitor gamma option is checked, click the up/down arrow buttons,
making gray-level of the two boxes  as close as possible. Click OK to confirm.