Version 2.0
113
Configuration
Operator’s Manual
Correction Factor
- Allows you to make minor adjustments to
observed or measured errors in your speed through water cal-
culation. The input value will be multiplied by this value be-
fore it is used in the receiver. The default value is 1.00.
Both input types have a window in the lower portion of the display
which indicates the input value in real time. If you input a calibrated
pulse rate, you can check for the appropriate speed right here.
You will be able to view the speed log information in the
NAV4
screen when it is implemented in future software.
Log Pulses - GPS SOG Log Pulse Output
This screen controls the output port (Pulse) of the speed over ground
log output from the MX420 CDU at a user-defined pulse rate per nau-
tical mile. This output is normally used to feed GPS SOG to an ARPA
radar. The default state is that the speed log is not active, and set to
200 pulses per nautical mile. Refer to the
MX 420 Installation & Ser-
vice Manual
for the hardware interface from one of the NMEA output
ports (NMEA 1 or 2 for the MX420/2 and NMEA 1, 2 or 5 through 10
for the MX420/8 models)
Activate the output by selecting
Yes
to
Emulation Enable
, select the
appropriate hardware port, and set the pulse rate based on the device
that you are connecting to.
MX480 - MX480 PC Chart Interface Control
The MX420 CDU can be interfaced with the MX Marine MX480 a PC
based electronic charting software. When the MX480 mode is en-
abled, the charting program assumes the following functions of the
receiver:
•
Active Route Creation
•
Waypoint Library
•
Tides
Summary of Contents for MX420
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