Gatan K2 Summit - K2 Summit Reference Images; K2 Base and K2 Summit Linear; Figure 1-14. Option to Skip Gain Reference Collection; Figure 1-15. Suggested Gain Reference Exposure Factor

K2 Summit and K2 Base Direct Detection Camera User's Guide
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Select Camera > Prepare Gain Reference. You are led through taking all necessary gain
and dark references.
K2 Summit Reference Images
K2 Base and K2 Summit Linear
First, collect a Linear mode high beam level gain reference used for Linear mode and
hardware gain correction in Counted and Super-Resolution modes.
figure 1-14. Option to skip gain reference collection
Note that you can skip parts of this procedure if you already have a good reference and don’t
want to update it, or if you wish to leave the procedure part way through and come back later.
For instance, at this step you could skip gathering a new linear reference if you already have
one and proceed with the later steps.
You may be asked if it’s OK to insert the camera or switch from another mode if the camera
is currently running a live view. Click Yes.
In the next step, you have the option to choose gain reference collection parameters. You may
see this warning:
figure 1-15. Suggested gain reference exposure factor
Click OK to proceed to the setup window.