CHAPTER 1 - SYSTEM OPERATIONZEISS Left Tool Area and Hardware Control Tools LSM 880254 000000-2071-464 10/2014 V_015.3.17 Count Rate• Click the Count rate button to open the Countrate window (Fig. 339).a) DisplaySelect one of the display modes Count rate,Correlation or CPM (Counts / molecule) bypressing the corresponding button. The arrowbuttons of the scale tab allow to adjust themeasuring range.• Click the Count rate button in the Displayline to display the count rate per second (CR)for each activated physical channel (Fig. 339).This value is constantly updated and calculatedeach 0.5 ms, if Averaging is switched Off. Ifsystem overload occurs, an error message willbe displayed and the APDs switched off in orderto avoid damage (Fig. 340). Press Ok tocontinue and laser light intensity orconcentration of your sample.• Click the Correlation button to display thecorrelation amplitude (G(0)) of each activatedphysical and Software channel (Fig. 341). Thisamplitude is constantly updated and calculatedeach 0.5 ms if Averaging is switched Off. Theexpanded display for each channel can beclosed by the Channel 1, Channel 2 and CrossCorrelation arrows.Fig. 339 Count rate window with count ratedisplayFig. 340 Overload displayFig. 341 Count rate window with correlationdisplay
