NorthStar 972, Quickstart Manual And Reference Manual

Page: 140 / 184

136
Reference section 9 — Alarms and TideTrack
Alarms Northstar 972
Alarm audio
You can turn the alarm audio on so that
the 972 will beep when any alarm occurs,
or you can turn the audio off completely so
that you’ll only see alarm icons and
messages displayed on the screen:
1. On the alarm screen, press the cursor pad to
select
Alarm Audio,
then press
Edit alarm
.
2. Press the cursor pad to display
OFF
or
ON
,
then press ENTER .
Anchor alarm
The anchor alarm will signal when your
vessel moves a certain distance from the
position of your vessel when you pressed
the
Drop anchor
key. You can turn the
anchor alarm
On
or
off
, and set the distance
that you can drift without triggering the
alarm. The default setting is 0.20 nautical
miles (about 1200 feet). You can set the
anchor alarm to as little as 0.01 nm, but be
sure to allow for drifting the length of the
anchor chain, plus a safety factor to allow
for any GPS inaccuracy.
NOTE:
Remember to press
Raise Anchor
before
you intentionally move away from the
anchor-drop point.
To set the anchor alarm:
1. Press
Drop anchor
where you’ve dropped
the anchor. A waypoint named
ANCR
is
created at this location.
2. Press ENTER .
3. Press the cursor pad to highlight
Anchor
Alarm,
then press
Edit alarm
.
4. Press the cursor pad to turn the alarm to
on
.
5. Set the distance your vessel can normally be
expected to move on its anchor chain by
pressing the cursor pad to the right, and using
the keypad to enter the distance. (Remember
to add a safety factor to allow for GPS inaccu-
racy.)
6. Press ENTER .
To turn off the anchor alarm and delete
the anchor waypoint, press
Raise anchor
on the
Alarms
screen, followed by
ENTER
.
NO HEADING DATA The 972 is not receiving data from the heading
sensor. No No No
Table 3: 972 alarms (continued)
ALARM
ICON
ALARM MESSAGE ACTIVATED WHEN…
CONTROLLED
ON ALARM
SCREEN?
CLEARS
AFTER
TIME–OUT?
CLEARS
WHEN
OK?