Annotating Spectra - Honeywell Vibrex 2000 User Manual


0-<24,000>RPM

(Vibrex 2000 Plus) context key. Pressing the key repeatedly
cycles through the available frequency ranges.

The Spectrum feature operates by listing the ten highest
peaks in the range of interest.

The default range is 0 to 24,000 RPM for the Vibrex 2000
and 0 to

600,000 for the Vibrex 2000 Plus. If the user is using the
Vibrex 2000 and encounter high peaks above 10,000 RPM,
all the available peaks may not show up.

If the ranging is lowered to 0 to 12,000 RPM the peaks in the
12,000 to 20,000 RPM range become replaced by lower-
level peaks in the

0 to 12,000 RPM range.

The minimum IPS value that displays is 0.01 IPS.
5.8.1.2
Annotate the spectrum by pressing the context key next to the
[ANNOTATE] notation or press
next screen, then select the
user finishes an annotation, press
5.8.2
Collect spectral data, as follows:
1. Operate the aircraft or engine in the desired condition.
2. Press the
This action displays the Spectrum Data Acquisition screen,
meaning the Vibrex unit is collecting data.
NOTE: At any time during data collection, the user may
press the ABORT context key to stop the operation.
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(Vibrex 2000) or

Annotating Spectra

ANNOTATE
Collecting Spectral Data
key.
START
13841 Rev A
Chapter 5 – General Operation
0-<600,000>RPM
and continue to the
START
context key. After the
.
START
193