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Chapter 3 ________________________________________________________________ Operation
VAISALA_______________________________________________________________________ 35
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Figure 13
PTB330 and HMP155 Connected
Graphic History
Graphic history shows you the measurements from the last hour in a
form of curve. To see longer graphs, use the data recording function to
save the data and then view it as a graph. See section
.
To open the graphic history, press the
Graphic
shortcut button when
the MI70 indicator is in the basic display. You can also open the
graphical display using the
Graphic history
menu item in the
Display
menu.
The curve for the quantity that is uppermost in the basic display is
shown first. You can show the curve for the next quantity by pressing
the
Next
shortcut button, or show up to three curves at the same time by
pressing the
All
button. The All selection is shown after browsing
through the curves of the available quantities. To get the statistical info
on the graph area (minimum, maximum and mean values), press
Info
.