User`s manual

Section 8: Real-Time Data and Real-Time Control - Real-Time Data Acquisition
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2. Click Start to begin processing and displaying data:
A. If you selected Store data on disk above, and selected Prompt for
Header Information in the Header Form setup (Configure Outputs),
the Header Information dialog box appears. Fill in the desired header
and click OK.
B. If you set up a water sampler in Configure Inputs, SEASAVE sends a
Reset command to the Carousel, and waits up to 60 seconds for
confirmation. If confirmation is not received, verify that:
• Deck Unit power is on.
• There are connections between the computer ports and Deck Unit
CTD communications and water sampler channels.
• The communication settings and COM Ports selected on the
Serial Ports tab in Configure Inputs are correct.
C. If you selected NMEA position data added in the .con file, SEASAVE
initializes NMEA communications.
D. If you selected Check Scan Length in the Options menu, SEASAVE
checks the .con file to verify that the scan length defined by the .con
file matches the instrument (i.e., number of sensors, inclusion of
NMEA and/or Surface PAR is as defined in the .con file). If a Scan
length error appears, verify that:
• You are using the correct .con file.
• The .con file has been updated as necessary if you added or deleted
sensors, added or deleted NMEA or Surface PAR inputs, etc.
E. A message similar to one of the following appears
(message dependent on the instrument):
For an instrument that is started by movement of a magnetic switch
(such as SBE 19, 19plus, or 25) -
SEASAVE allows Timeout in seconds at startup after you click Start
for you to turn on the CTD magnetic switch. SEASAVE will time out
if data is not received from the instrument within this time.
For other instruments (such as an SBE 16, 16plus, 21, 45, 49, or
911plus) -
SEASAVE will time out if data is not received from the instrument
within Timeout in seconds at startup.
3. To stop data acquisition: In the Real-Time Data menu, select Stop.
Note:
Outputs and displays can be
reconfigured without interrupting data
acquisition. For example:
• If you start a cast and realize that you
forgot to set up serial data output, you
can select Configure Outputs and make
and save the desired changes, without
interrupting data acquisition. Once the
changes are saved, serial data will
output to the desired
COM port.
• Similarly, if you forgot to select some
variables for a display, you can right click
in the display to modify it, select the
desired variables, and save the changes
without interrupting data acquisition.
Once the changes are saved, the display
will show the additional variables.
Of course, any data that was acquired
before you modified the setup will not be
out
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ed.
Note:
Fire Bottle Control and Mark Scan Control
in the Real-Time Control menu are
inaccessible until you start saving data
to a file. So, if you did not select Store data
on disk (or selected Delay storing data to
disk until Start Archiving command is sent
and did not yet send the Start Archiving
command), these items are grayed out in
the Real-Time Control menu.