Vaisala SHM40 - Manual (Page 42)

USER'S GUIDE____________________________________________________________________
40 __________________________________________________________________ M211423EN-B
The timescale of the graph can be changed in the
Main menu. By default, the graph will
automatically change the timescale to fit the
measured data. If you select a short timescale,
only the most recent data will be visible.
The graph view is not available in the all
quantities view. Select a single quantity to show
the graph.
NOTE HM40 indicator has no permanent memory for graph data. When the
HM40 is turned off, the graphs are cleared.
Hold and Tag
If you press the right function button (Hold button) in a measurement
view, two things happen:
- The measurement view freezes until you press the Release button.
- The latest measurement point is tagged (marked and stored in
temporary memory). See section Tagged Points on page 42.
Tagged points are shown in the graph view as small dots below the
graphs.
1111-099
Figure 19 Tagged Points in the Graph View
where
1 = Previously
tagged point
2 = New tagged point