User Manual DEV 2190
Copyright DEV Systemtechnik GmbH 2009-2017 53
Three buttons are located at the bottom of the Recording Tab:
If the recorded data of the selected items was zoomed as described above, the but-
ton resets the data representation to the initial state, i.e. all recorded
data for the selected signals is displayed in both diagrams.
The remaining two buttons provide the option to store the captured data externally
(without the possibly displayed thresholds). stores the recorded data
of the currently selected signals and the button stores all recorded data of
the device, i.e. the available data of all signals. After operating one of the buttons, a
browser specific window pops up and suggests the storage of the data as
"recording.csv" and as "recording_all.csv", respectively. The csv (comma-separated values)
file format permits the data import e.g. into a MS Excel worksheet:
The csv-file is a text file modeling a table. Each line is interpreted as row containing
column information, here with the columns delimited by a semicolon (";") charac-
ter as the column separator.
The number of columns depends on the export method ( vs. ).
If the button is selected, the number of columns depends on the
number of signals currently presented. In any case, each signal consists of a "Time"
and of a "Value" column; the number of lines depends on the recording duration
(over 17000 lines e.g. within two days with the default ten seconds recording
interval).
The first line of the csv-file is the header line providing the column information. The
first entry is assigned to the first channel (e.g. "Amp 1 Main", indicating the
descriptive designator of the first signal, please refer to chapter 5.4.4),
concatenated with the "Signal Type" (i.e. either "RF Level" or "LNB Power") and with
"Time". After the semicolon, the same entry is listed with "Values" instead of "Time".
This sequence is repeated for all columns that are part of the csv-file.
The actual data starts in the second line of the csv-file. Note that the time
information is stated in standard MS Excel format, i.e. the integral part of the
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