This section describes the step-by-step procedure to run the software on the PC to communicate with the
Single/Three-Channel Fluorimeter installed in the OCEAN SEVEN 310 CTD.
1) Connect the OS310 to a personal computer with the RS232 laboratory cable.
2) Run the ITERM program.
3) Switch on the OS310.
4) At the end of the start-up messages from the Main Menu, select the “SERVICE Menu”.
5) From the “Service Menu”, select the “DIAGNOSTIC menu”.
6) From the “Diagnostic Menu”, select the “DISI”, diagnostic serial interface. The following message
appears:
Test communication port associated to auxiliary devices
Coms:(0)Quit,(1)Aux1,(2)Aux2,(3)Aux3,(4)Aux4
Aux:1
7) From the shown list of auxiliary systems to test, select 2 for the auxiliary #2. Once selected, the
following message appears on the ITERM screen.
COM-Test:<^X>Quit,<^Z>Show CTRL chars,<^Y>Break"
Afterwards, any typed character transmitted by the PC is sent to the interfaced Single/Three-Channel
Fluorimeter through the selected serial communication port.
8) Wait few seconds after the selection; in the meantime, you should see that the real-time
measurements from the fluorimeter appears on the ITERM.
9) Close the ITERM communication port using the “Port->Close” command.
10) Leave the ITERM program running and start the interface software.
11) The communication with the fluorimeter may last 1 hour; after that period, the OCEAN SEVEN
310 interrupts the communication and the procedure must be repeated starting from point 4.
However, to communicate with the OCEAN SEVEN 310 it is mandatory to close the software and
enable the communication port of the ITERM. This last operation can be done by means of the
“Port->Open” command.
Note
To interrupt the diagnostic communication with the Single/Three-Channel Fluorimeter before the automatic time-
out, after the ITERM communication port is re-opened, type CTRL-X on the keyboard. The OCEAN SEVEN 310
immediately terminates the diagnostic test function showing the diagnostic menu.
5.6.6.2 OCEAN SEVEN 310 - Single/Three-Channel predefined calibration coefficients
After selecting each parameter associated with the Single/Three-Channel Fluorimeter from the
calibration list, the following calibration procedure arises:
Do you already know 'SLOPE & OFFSET' coefficients?: No
The operator must answer “YES” and then answer as follows to the coefficients request.
By answering <YES>, the following messages appears in sequence:
Offset = 0.0 Slope = 1.0
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