K2 Summit and K2 Base Direct Detection Camera User's Guide
3
Operation of the K2 Direct Detection System 30
K2 Imaging .............................................................................................................................. 30
Linear Mode Operation ..................................................................................................... 30
View Mode ................................................................................................................. 30
Counted and Super-Resolution Mode Operation .............................................................. 30
Dose Rate Considerations ........................................................................................... 30
Dose-Rate Monitor ..................................................................................................... 31
Shutter Delay Setup ........................................................................................................... 31
Defect Correction .............................................................................................................. 32
Binning and Subareas ........................................................................................................ 33
Dose Fractionation ............................................................................................................ 33
Setup ........................................................................................................................... 34
Shutter Configuration ........................................................................................................ 35
Shutter Connections and Signal Configuration ........................................................... 36
Base Camera: Linear Mode Operation .............................................................................. 36
Switching Between Base and Summit Modes ................................................................... 37
Care of Detector ................................................................................................................ 38
Temperature ................................................................................................................ 38
Anneal Cycle .............................................................................................................. 38
Auto Retraction ........................................................................................................... 38
Insertion Indicators ............................................................................................................ 39
Dynamic Sensor Protection (DSP) Operation .......................................................................... 39
Software ................................................................................................................................... 40
Overview: Control of K2 Camera within DM ................................................................... 41
Screenshot of DM Display for K2 Camera ................................................................. 41
Magnification Correction/Calibration ...................................................................................... 41
Low Magnification ............................................................................................................ 42
High Magnification ........................................................................................................... 44
Specifications ........................................................................................................................... 46
Compatibility with Other Gatan Cameras and GIF ........................................................... 47
Addendum 48
Ensuring Validity of Defect Corrections ................................................................................. 48
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