Eureka Manta Manual Page 20 of 67
If you want to find those interesting lines of data later, it’s a good idea to put them in a file whose
location you can actually remember.
Notice that the active Snapshot File location is listed on the bottom line of the Home Page.
3 Click Automatic Snapshot if you wish log data automatically and quickly, for instance to catch a
transient situation or if you are rapidly profiling a column of water. You can also use Automatic
Snapshot to save data while you go to lunch. The data are stored in the Snapshot file as determined
by “Set Snapshot Location”. (C.4, E.1)
In Automatic Snapshot, data are logged at the same interval as they are displayed on your Data
Display screen when you’re not in Automatic Snapshot. For instance, if you have set your PC scroll
interval to 10 seconds, Automatic Snapshot will record data at 10-second intervals.
4 Click Graphing to see your Manta real-time data in graphical form. The graph view is helpful when
profiling to watch for sensor stability. For example, Dissolved Oxygen readings are temperature and
salinity corrected, so when the probe goes through water with thermal or saline stratification, it’s
important to wait for stable readings before recording a Snapshot.
5 Click COM Ports to change the USB port that your Manta Control Software uses to talk to your
Manta. Normally the Manta Control Software searches all active USB ports until it finds a Manta to
talk to, and then it stops looking. But you might have more than one Manta connected to your PC
at one time, for instance if you are calibrating several Manta’s at the same time or are using your PC
to monitor several Manta’s at the same time (like in a fish hatchery with multiple tanks). In that case,
you can click COM Ports to see the list all the COM ports that your PC knows about and choose
another COM port corresponding to another for the Manta.
6 Click Control Software Version to get a screen that tells you the software version that your Data
Display is using to talk to your Manta.
C.5 “Manta” Pull-Down Menu
The Manta has two pull-down menus, called PC and Manta. They’re called pull-downs because when you
click on them, a bunch of hidden buttons appear. When you click on the “Manta” pull-down menu, you
get eight buttons to choose from:
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