+ string += "\n\tPress button \"Full decalibration\" to create \n\t random calibration coefficients with 20\% spread \n\t to imitate fully decalibrated detector;";
+ string += "\n\tPress button \"Residual decalibration\" to create \n\t random calibration coefficients with +-2\% spread\n\t to imitate decalibrated detector after initial calibration.\n";