MX575A/B DGPS Compass
35
4. MX575 Configuration
The MX CDU will automatically configure the navigation functionality of the MX575
when connected to PORT 3 (primary antenna input port) of the CDU. Additionally,
it is necessary to configure the MX575 before you can view the True heading and
ROT data in the CDU NAV screens.
To configure the MX575 compass functionality, do the following:
1. Press the
CFG
key to show the CFG1 screen.
2. Scroll down to
Compass
menu.
3. Press the E key.
4. Scroll down to “
Compass connected:
No”
5. Press the Change softkey to change the value to
Yes
.
6. Scroll down to
Data
Input Port No
and press the Change softkey until
3
appears.
7. Scroll to
Compass type
and change to
MX575,
8. Scroll to
Heading offset
(if any)
to enter offset/bias value. You may use the
Gyro readout as reference.
9. Press the
E
key to exit
The heading value can be seen under
Input
and
Used value
. Your setting should
look similar to Figure 36 in the following page.
To configure Rate of Turn, do the following:
1. Press the
CFG
key to show the CFG1 screen
2. Press the E key.
3. Scroll down to
ROT
menu.
4. Press the Change softkey to change the
ROT connected
to
Yes
.
5. Scroll down to
Data input port no.
and press the Change softkley to change
Data input port no.
to
3
(or which ever port is connected).
6. Scroll down to
Use MX575 ROT
and change the value to
Yes.
7. After setting all your options, press the
E
key to exit.
This CFG menu also provides the option called
ROT filter time
. It controls the
averaging time for the Rate of Turn (ROT) display. This helps to smooth the
displayed data and NMEA output, a useful tool for slow moving vessels. The
default filter setting is 2 seconds.
The Rate of Turn value will be shown under
Input
and
Used value
. Your setting
should look similar to Figure 37 in the following page.
