110
Version 2.0
Operator’s Manual
Configuration
Init Pos - Initial Position Entry
This screen is provided to help the GPS receiver in the MX Marine
antenna to get a faster first position fix. While the smart antenna is
capable of computing its position without any user input, this feature
can cause a position fix to occur several minutes earlier. Another time
this feature is useful is when the receiver has been moved over 300
miles from the last location it was used while in the off condition.
Again, the receiver will calculate a position fix without any user input
in this circumstance. However, moving the receiver to a new location
and not inputting a new initial position will cause the receiver to select
a satellite constellation consistent with the last known receiver coordi-
nates. In this event the receiver may “get lucky” and find common
satellites between the old position and the new location, or it may take
up to 20 minutes to go through all of the constellation possibilities.
Note that the receiver will stay on the original constellation for 15
minutes before attempting other constellation possibilities. We as-
sume the receiver will be turned on and off in the same general area
each time, and we provide the unit every opportunity to try and track
satellites at the last known coordinates.
Summary of Contents for MX420
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