Scala | V7 | System Configuration
5.
Using a serial to USB cable, connect the USB end to the Mac computer and the serial end to a
serial port on the Olex machine (ttyS0/1/2/3).
6.
To configure the export of trawl positioning data from Scala:
a)
Click Menu > Settings.
b)
Under the NMEA Outputs tab, click Add.
c)
In Port Settings, select Serial port and enter a port name depending on your serial to
USB cable, such as cu.usbserial. Enter a baud rate between 4800 and 57600 (Olex will
automatically set the same rate if it is in Autoband mode).
d)
In Data to Emit, select Emit only selected data types and deselect all the items. This is to
make sure Scala do not output these data. If you do not do this, Scala outputs all data and
this slows down Olex.
e)
Select Emit trawl positioning sentence and click Best sentence for Olex ($PSIMS).
7.
If you use a version of Scala older than v. 01.06.06, you cannot choose the sentence that is sent.
PSIMS and PTSAL sentences are sent at the same time. This causes display issues on Olex, so
you need to disable PTSAL sentences from Olex:
a)
From Olex, click Layers > Show data flow.
b)
In the list of sentences, click PTSAL to disable it.
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