108
Version 2.0
Operator’s Manual
Configuration
DR - Dead Reckoning
DR, or Dead Reckoning, is an added navigation feature of the MX420.
When the DR setting is set to ‘Yes’ and appropriate compass/heading
and speed log sensors are connected and activated, the MX420 will
automatically switch to DR calculation when the GPS positioning be-
comes unavailable. A DR icon on the top right corner of the display
indicates that the position displayed is derived from DR calculation.
To set the DR to ‘Yes’ press the
E
key then ‘
Change
’ softkey. Press
the E key again to exit the edit mode.
Dual Control - Dual Station Control
This screen sets the functional control between two MX420 CDU’s
interfaced together. The default setting is
No
. When this selection is
changed to
Yes
, one receiver is set to
Master
, the other receiver is set
to
Slave
. The master unit can be either an MX420/8 CDU or MX420/2.
These two units will share a common database and one antenna. Refer
to
Appendix E
for more detailed information about the dual control
setup and operation.
MX420 Dual Control Menu
GPS - Elevation Mask Control
This screen controls the
elevation mask
angle, or the angle above the
Summary of Contents for MX420
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