Decagon Devices Em5b Manual page 23

Em5b 5 ECH2O UTILITY MENUS
measurements. We designed the logger Power Noise Filter setting to
eliminate this electrical noise that comes form the AC power distri-
bution system. You should set the value of tithe Power Noise Filter
to match the frequency of the power cycle where you live. In North
America and most of Asia, tis is 60 Hz (the default value). In most
of Europe the electrical frequency is 50 Hz. This feature only needs
to be set once, as the program automatically updates the filter of
each device that it connects to.
2. Data Files Tab
Figure 3: Preferences: Data Files Tab
Column Headers: The column header gives each column a title
corresponding to the port number, measurement type, and unit. Col-
umn headers for saved data files are turned on by default, and apply
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