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3-30
Trend
* If the measurement is stored auto-
matically, the program subsequently
jumps to the measurement task screen.
Open the current measurement result
as follows:
- Highlight the measurement task icon.
- Press the MENU key, and click on
'Display Result' (see previous page).
R: Reference data exist
Calling up reference data
Compare current data with
reference & historical data
(characteristic values)
Comparing the current measurement with historical data/ reference
data
The following requirements must be met to be able to use this
feature:
- Historical data for the respective measurement task exist in the
OMNITREND database.
- A data set has been declared as a reference in the OMNITREND
database.
- The data sets were loaded in VIBXPERT with the route.
- The display mode for route results is set to 'Standard' (see also
Device setup for route, p. 2-15).
To compare the current measurement with the reference data,
proceed as follows:
• After the measurement is completed*, press the MENU key in the
measurement screen.
• Select 'Reference' and click on 'Compare with reference' (see
below).
When overall values are being measured, a value table appears;
for signal measurements, the data are displayed in a waterfall
diagram.
In a TrendingSpectrum, the display depends on which panel of
the results screen is activated: the upper panel containing the
spectrum (-> waterfall) or the lower panel containing the band
alarm overall values (-> trend) (see p. 4-10).
To compare the current measurement with the historical data,
proceed as follows:
• After the measurement is completed*, press the MENU key in the
measurement screen.
• Select 'Reference' and click on 'Show history'.
When overall values are measured, a trend appears; for signal
measurements, the data are displayed in a waterfall diagram.
Left:
Right:
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