Data range selection
Different time ranges for charts viewing are available. Long data periods (several hours) are handy for quickly localize different abnormalities in hoist's operation. The short ones enable an easy way for given occurrence analyzis, precise values, times and sequence of events description. The program enables following time ranges (for one page/screen): 2 seconds, 5 seconds, 10 seconds, 20 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes, 20 minutes, 1 hour, 2 hours and 8 hours (see fig. 6.2). If the cursor is active within the window changing of the time scale is made around it – it means that the time of cursor is always in the middle of the screen. It is useful for easy changing of the scale without losing sight of interesting data fragment. If the Cursor delta is active within the window changing of the time scale by the View -> Zoom in function enlarges the date range between the cursors to the full width of the window. It is a convenient way for zooming interesting data fragment. Changing of the time scale by the View -> Zoom out function causes the fragment between the cursors stay in the middle of the window.
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