118
Version 2.0
Operator’s Manual
Configuration
Note: Pre plan your interface requirements to
ensure all of your
interfacing needs are met. When two receivers are inter-
faced in a dual-head configuration, Port 1 is reserved for
this interface. All NMEA Ports are RS-422 electrically.
Only Port 2 can be configured as either RS-422 or RS-
232. We recommend using this port to interface to a com-
puter or other “single ended” interface.
The default condition of each port is
Off
. When you want to output
data on a NMEA port, scroll down the
Item
menu to the appropriate
NMEA Out
port number and change
Port Active
to
Yes
. In doing so,
the receiver will display all available NMEA 0183 output sentences.
MX 420/2 NMEA Out Menu MX420/8 & /AIS NMEA Out Menu
Scroll down the list using the cursor key to the desired NMEA 0183 sen-
tence. Use the
Change
softkey or right arrow key on the cursor to select
On
.
Press the
Details
softkey to view the characteristics for the NMEA
record you select. If you notice that the top of some text is cut off by
the
Capacity Needed
window, this indicates that there are more selec-
tions available than can fit in the window. Use the cursor key to scroll
down the list. Each record is controlled separately. Generally speaking,
the following controls are available to you for most or all of the records:
Checksum On or Off -
NMEA 0183 version 2.1 and above requires
that the checksum is present. Versions 1.5 and 2.0 do not re-
Summary of Contents for MX420
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