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To backup the log file on the memory card in the VIBXPERT, click on
the 'Backup Log' icon and confirm the prompt with 'Yes'. The log file
can be transferred to the PC using the 'VIBXPERT update tool'.
Memory card (CF)
In this menu, you can format, check and repair the memory card.
Formatting: You should only format a card if it is new and has not
yet been used in VIBXPERT. This process deletes all data stored
on the card!
To format it, click on 'Start' in the top field, confirm the query that
is displayed and enter the word 'OK' into the text editor.
Checking: The degree of fragmentation is checked automatically at
specific intervals. Here you can start the check function manually
by clicking on the 'Start' button.
Repairing: If the file system on the memory card is faulty, an error
message appears. If possible, save the measurement data on the
PC before starting the repair function.
Standardization factor for dB scaling
The amplitude of a spectrum is converted to decibels (dB) with the
following formula:
A
= 20*log(A
log
lin
In this menu, you can set the standardization factor (default = 1).
The scaling that is used for a spectrum (linear or in dB) is defined in
the Display Setup (see Chapter 4).
The dB scaling is not available for time signals, overall values and
TrendingSpectra. It can also not be applied to frequency-selective
band alarms.
Deleting files
Files that are no longer needed can be deleted in this menu. Select
the data type and press the F key to open the file selection list.
/N),
where A
: amplitude in dB
log
A
: amplitude in linear unit
lin
N: standardization factor
Getting started - Basic settings
Note
2-31
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