Promax HD RANGER 2 User Manual page 76

Datalogger:
►
Spectrogram:
►
For more information about these features, see the "Tools" chapter.
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It creates a file in which are stored measurements. This
file belongs to the selected current installation.
This function shows a graphical representation of the
spectrum superimposed over time of a channel or
frequency selected by the user.
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June 2014