NorthStar 957 Operator's Manual page 135

957 Operator's Manual, Rev. B
1. Press the CURSOR PAD to select ALARM AUDIO, then
press the EDIT ALARM menu key.
2. Press the CURSOR PAD to display OFF or ON, then press
the ENTER key.
Anchor alarm
The anchor alarm will signal if your vessel moves a certain
distance from the position where you pressed the DROP
ANCHOR key. You can turn the anchor alarm on or off, and set
the anchor drag distance. The default setting is 0.20 nautical
miles (about 1200 feet). You can set the anchor alarm to as
little as .01 nm.
Note: Turn off the anchor alarm before you intentionally move
away from the anchor-drop point.
To set the anchor alarm:
1. Press the DROP ANCHOR menu key where you've
dropped the anchor. A waypoint named ANCR is created
at this location.
2. Press the ENTER key at the question window.
3. Press the CURSOR PAD to highlight ANCHOR ALARM,
then press the EDIT ALARM menu key.
4. Press the CURSOR PAD to turn the alarm to ON.
5. To set the distance your vessel can normally be expected
to move on its anchor chain, press the CURSOR PAD
right, and use the KEYPAD to enter the distance. Be sure
to subtract a safety factor to allow for GPS or loran inaccu-
racy, then press the ENTER key.
Cross-track alarm
The cross-track alarm will signal if your vessel moves beyond a
certain distance from the desired track line. You can turn the
cross-track alarm on or off, and set the distance from the track
line. The default setting is 0.10 nautical miles (about 600 feet).
You can set the cross track to as little as 0.01 nm (about 60
feet).
Chapter 10 - Using Special Functions
Page 127