Xylem WQ-FDO Sensor and GL500-7-2 Data Logger - Manual (Page 16)

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VIII. Get History:
Clicking the Get History button begins the downloading of the historical data into an
information screen. This screen allows the viewing of the recorded data and also
provides a path to export the data to an Excel compatible file. Note that the logger
continues to log as data is downloaded. Thus, more data points may be downloaded
than originally indicated.
At the top of the screen is shown the name assigned to the logger and the number of
recordings that have been retrieved. At the bottom of the screen are four buttons,
Pack, Save to File, Options and OK.
Pack: The Pack function removes recordings that are identical to the previous ones.
All the channels must be the same as the row above for it to be removed. If even a
single channel has data that differs from the previous sample, the row will not be
removed. This function works best when a single channel is being recorded and
allows only the data showing changing conditions to be viewed.