Bio-Rad Quantity One 1-D Analysis Software - Manual (Page 307)

Quantity One User Guide
E-2
instead of capturing real images, the window will create “dummy” images of
manufactured data.
You do not need to be connected to an imaging device to open a simulated acquisition
window. This is useful for demonstration purposes or practice scans.
To enter simulation mode, hold down the CTRL key and select the name of the device
from the File menu. The title of the acquisition window will indicate that it is
simulated.
Note: There is no simulated calibration for the GS-700 and GS-710 Imaging
Densitometers.
E.1 GS-710 Acquisition Window
To acquire images using the GS-710, go to the File menu and select GS-710.... The
acquisition window for the densitometer will open, displaying a control panel and a
scanning window.