WEBTEC HPM7000 Manual De Instrucciones página 58

Operation
Scaling the Trend Graph
You can use your fingers on the trend graph view to adjust the size of
the graph:
1 Tap with two fingers on the screen and drag the fingers apart.
Ä The graph is enlarged.
2 Tap with two fingers on the screen and drag the fingers towards
each other.
Ä The graph is reduced in size again.
3 Tap twice with a finger on the screen.
Ä The graph is scaled to 100%.
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