User manual

Table Of Contents
3. At the next S>prompt, type [CTRL]-[C] to power off the CTD.
4. Type <CR> to return to the Bench Test Menu.
Option <2> CTD Pressure
Option <2> and Option <3> sample pressure data from the CTD. The CTD pressure
measurements are primary inputs to the firmware routines that control each profile. Option <2>
starts the CTD, queries for a scan of data, parses the response, displays the result, and shuts down
the CTD. An example is shown in Figure 7-27.
Applying power to CTD . . . ready.
Pressure = -0.712 dbar
Press any key to continue.
Figure 7-27: Testing Pressure Information
Option <3> CTD Average Pressure
This option can be used to acquire a time series response of the CTD pressure transducer.
Option <3> asks for the number of pressure values to average, starts the CTD, queries the
requested number of scans, parses the responses, displays the results, calculates and displays the
average, and shuts down the CTD. An example is shown next.
Operator
requests 3
measurements
Enter number of measurements for average (1 to 5000) ? 3
Applying power to CTD . . . ready.
-0.523 dbars
+0.015 dbars
+0.222 dbars
Average pressure = -0.095 dbar
Press any key to continue.
Figure 7-28: CTD Average Pressure
7-19