Kongsberg Simrad ST90, Reference Manual

Page: 210 / 690

208
442704/A
Context
The motion reference unit (MRU) measures the roll and pitch movements of the vessel.
Some sensor models also measure heave. The information provided by the motion sensor is
used by the ST90 system to stabilize the beams.
Note
This task is only applicable is you are using an external motion reference unit on your
ST90 system.
Procedure
1 Connect the motion sensor system to an available communication port on your
computer.
This is described in the Installation Manual .
2 Open the
Setup
menu.
3 On the
Setup
menu, select
Installation
.
Observe that the
Installation
dialog box opens. This dialog box contains a number of
pages selected from the menu on the left side.
Note
If you want to use a serial line to interface the motion sensor, and no COM ports are
available, you must first release a port on the
I/O Setup
page. If you choose a serial COM
port to interface the motion sensor, make sure that you do not put the same COM port to
other use on the
I/O Setup
page.
4 Release an unused serial port (COM) port.
a On the left side of the
Installation
dialog box, select
I/O Setup
.
b Observe that the available serial interface ports on the Processor Unit are listed.
c If you have a vacant COM port, select it, then select
Remove
to delete it from
the list.
d At the bottom of the page, select
Apply
to save your settings.
e Close the
Installation
dialog box.
f Restart the ST90 system.
Restarting allows the Processor Unit to "free" the port.
Simrad ST90 Reference Manual