255 MeasuringIf everything is configured correctly and working as described in the previous section the measurement maybe started.5.1 ConfigurationStart by checking the configuration and adjust the necessary variables. Click the ‘Configuration’ button tobring up the settings:Figure 18 Configuration pop-up windowUsually most settings can stay at their default. Important settings to check:Setting Default DescriptionApplication SettingsDisplay Units Metric Distance and speed on the screen in m/s or Knots andfeetProject theme Dark Display theme, light or dark. The program needs to berestarted after changing the theme.Max Recording length 0 Maximum length of a single recording. If set to zeroeverything is recorded in a single continuous file. Elseit is split in files of the specified length. The lengthshould be specified in dd:HH:MM:SS format. Dd is thenumber of days, but if not used the time is just enteredin hours minutes seconds.