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0430844c - VA500 Altimeter
Select the VA500 altimeter from the drop down list.
Select the Read Configuration from the instrument to determine
current settings
Or
Open previously saved configuration file to load a predefined
setup.
The first wizard screen will give information about the instrument.
These are settings that are set at the factory.
The next page defines:
Communications settings.
Analogue mode and limits.(See wiring schedule in section 6 for
analogue outputs)
Analogue range can be 0-5V or 0-10V
Analogue limit is the distance that equates to full scale voltage
output.
Serial Data format (see data format section for definition of
formats)
The next page defines:
Output units, can be seconds, metres, feet or fathoms.
Minimum range allows fixed returns close to the VA500 to be
filtered out.
Maximum range allows filtering of spiking in noisy environments or
in the presence of multiple echoes.
Sound speed is set to 1500m/s. To improve accuracy then the local
sound speed should be measured and applied here.
Error is the value returned when no echo is detected or it is outside
the minimum and maximum ranges defined.
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