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Page 2 1 — Introduction
1 — Introduction1 — Introduction
1 — Introduction Rev. D
HE NORTHSTAR 941X combines 12-channel GPS navigation with
Differential GPS capability, a high-definition display, loran compati-
bility, built-in tide data up to the year 2010, and many other navigation
features.
For the ultimate in GPS accuracy, the 941X may be purchased as the
941XD, featuring an internal DGPS (Differential GPS) receiver. This ad-
vanced system gives you even greater accuracy by accepting Differential
GPS signal “corrections” from shore-based transmitters (called “bea-
cons”), and using them to display position fixes as accurate as 2-5 me-
ters. You can also connect your 941X to any external source of DGPS
corrections meeting the SC-104 standard (such as the Northstar 8800
DGPS Sensor).
When you turn your 941X on for the very first time, you may be greeted
with a flashing exclamation point symbol in the lower right portion of the
GPS POSITION
screen, and the word
ACQUIRE
or
SKY SEARCH
in
the status box at the top. The flashing exclamation point simply means
that an alarm message is present and waiting for your acknowledgment.
To see the message, press the
STAR
key once. The
ALARMS AND
BACKLIGHT
screen will be displayed.
Introduction
T
Upon First
Start-up