NorthStar 972 Quickstart Manual And Reference Manual page 137

edged. Each successive press of Clear alarm
will show you the most recent alarm
message from each category.
Clearing alarms
Clearing an alarm means removing the
flashing alarm icon as well as the word new
from the display of that alarm on the
Alarms
(and to see other alarms that may need
clearing), press the Clear alarm key on the
Alarms
There are two types of alarms:
ALARM ALARM MESSAGE
ICON
YOUR ANCHOR MAY
BE DRAGGING
YOU'VE ARRIVED AT
WAYPT: 'NAME'
YOU'VE ENTERED
AVOID ZONE
Reference Manual Revision B
screen. To manually clear an alarm
screen.
Auto-clearing alarms automatically
•
clear after the alarm condition
Table 3: 972 alarms
ACTIVATED WHEN...
Vessel has moved outside the radius limit set
anchor
in the alarm.
Vessel has entered the arrive radius of an
active waypoint. This alarm is shown only if
you're navigating to a single waypoint, or if
you've chosen manual waypoint switching.
Vessel has entered the warning radius of an
avoidance waypoint.
disappears, or in some cases, after a
short time-out period (typically about
10 seconds). Most alarms are
auto-clearing; however, they can also
be manually cleared, if desired.
Alarms that require manual clearing
•
stay on-screen until you clear them on
the alarms screen. Some serious alarms,
such as loss of position fixes, will repeat
at intervals.
All of the 972's alarms are described in
Table 3 below.
CONTROLLED
ON ALARM
SCREEN? TIME–OUT?
YES
No 10 seconds
No
Reference section 9 — Alarms and TideTrack
CLEARS CLEARS
AFTER WHEN
OK?
No No
YES
No No
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Alarms