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Page 106
July 2019 – TD 304 OPERATING MANUAL – Doppler Current Profiler Sensor
Column 1 is set up to 25 cells with 2m cell size. Since the Cell Center Spacing is 2m and equal to the Cell Size there will
be no overlap and this gives a column which is 2m * 25 = 50m long. Since the Distance First Cell Center is 2m, the
column covers from 1m to 51m range from the sensor head. The first cell starts 1 meter away from the head because
the distance to first cell center is 2 meter and since the first cell is 2 meter this cell will stretch from 1 meter to 3 meter
away from the head
The available/selectable values for Cell Size, Distance to First Cell, Number of Cells and Cell Spacing can be found by
sending the command Help. This gives a printout from the sensor showing a short help text from the sensor, refer
Figure
5-6. Setting a value which is not shown here for enumerated properties gives an error message (*ERROR
ARGUMENT ERROR).
A
Do Refresh
command should always be sent after a reconfiguration of the column settings, bandwidth or the ping
number. This has to be done to be able to show the user an error message if the time settings are out of range (interval
or polled ping rate). The shortest interval or highest polled ping rate possible depends on the number of cells, bandwidth
(narrowband/broadband), number of pings (non-polled mode) and number of enabled output parameters.
Figure 5-6: Output example from the Help command
5.6
See chapter
for a complete list from the help command including available values for each
property.
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