Vaisala vLog 4.4 - Manual (Page 76)

Working with Graphs
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2. Under Temperature scale, select Fahrenheit or Celsius.
This setting affects the data in all graphs, displays, and printed reports.
Setting Sample Smoothing
In vLog, sample smoothing controls how samples in a logger file are interpreted
when they are inserted into a graph, allowing you to dampen the effects of
‘noise’ in Logger files.
Sample smoothing is the minimum change in input signal required to cause a
change in displayed channel values, and is defined in raw analog-to-digital con-
verter counts.
vLog allows you to set two different sample smoothing values: one for thermo-
couple channels, the other for other channel types.
Note: Sample smoothing only affects how samples are interpreted and pre-
sented in graphs and reports; the data in the loggers and the logger files
is not affected by any settings related to sample smoothing.