Bio-Rad Quantity One 1-D Analysis Software - Manual (Page 253)

Quantity One User Guide
A-12
Fig. A-9. Available options in the Gel Doc acquisition window.
Click on OK to implement any changes you make in this box. Clicking on Defaults
restores the settings to the factory defaults.
DAC Settings
Note: The default DAC settings are highly recommended and should be changed with
caution.
These sliders may be used to adjust the minimum and maximum voltage settings of
your video capture board. The minimum slider defines the pixel value that will appear