Table 6: Alarm Types And Descriptions - NorthStar 951X Operator's Manual

Type
CLOSE
ARRIVE
PASS
CHANGING
AVOIDANCE
AREA
ANCHOR DRAG
NO LORAN FIX
DGPS LOST
NO GPS FIX
NO LORAN
DATA
NO GPS DATA
POOR LORAN
FIX
CROSS-TRACK
LIMITS
EXCEEDED
951/952 Operator's Manual Rev. B
The word NEW indicates any alarm messages you haven't pre-
viously displayed.
The unit's alarm types and descriptions are as follows:

Table 6: Alarm types and descriptions

Description
you've come within 900 feet of the arrival circle of
the current waypoint (the arrival-circle radius is
ALARMS/ALARMS & BACK-
set from the
LIGHT
screen)
you've entered the arrival circle of the current
waypoint
you've passed abeam of the waypoint, without
entering the arrival circle
switching to next leg of route ("NOW NAVIGAT-
ING TO . . .")
you've entered an avoidance-area circle
anchor is dragging beyond limit set on
ALARMS & BACKLIGHT
no position fix received from external loran
DGPS data time-out exceeded
no position fix from GPS
communication failure with external loran receiver
communication failure with GPS receiver module
BLINK, CYCLE or LOW SNR detected at loran
off-course in excess of limits set in
TRACK ALARM
Chapter 10 - Using Other Special Functions
ALARMS/
screen
CROSS
Auto clear?
YES, after 5 seconds
YES, after 5 seconds
YES, after 5 seconds
YES, after 5 seconds
NO, potential hazard
ahead
NO, requires immedi-
ate attention
YES, when condition
clears
"
"
"
"
"
only when you're within
limits
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