82 Linea 2K and 4K Monochrome Line Scan Camera User's Manual
03-032-20206-00 Teledyne DALSA
The cpa command has 3 parameters.
o The first parameter is a selection between:
‗0‘ – Per pixel FFC calibration
‗1‘ – A low pass FFC calibration
o We recommend that the second option is used to correct for any image non uniformity
due to the lens and setup.
o The second parameter is the number of lines you want to average over. Use a value of
4096 to achieve the best average.
o The third parameter is the 12-bit target value you want to achieve after calibration.
The cpa command takes several seconds to complete. The slower the line rate, the longer it will
take.
On com pletion of the ‗cpa‘ com m and , you should see an im age from the cam era that is flat field
corrected with the lens at the target level you set.
You are now ready to evaluate the image quality of the Linea camera under your operating conditions.