Garmin GPS 48 - Manual (Page 58)

Alarms Setup
The alarms setup page is used to set the three alarms
available on the GPS 48: the anchor drag alarm, arrival
alarm, and CDI alarm.
The anchor drag alarm will alert you if your boat has
moved outside a range measured from a central point
(your position). The arrival alarm will alert you when you
are approaching a waypoint and have reached the user
defined distance. The CDI alarm will alert you when your
track varies from the shortest distance to a waypoint by
the defined range.
Setting the alarm to off, on or auto:
1.Move the highlight to “ALARMS SETUP’ and press
E
.
2. Highlight the off/on/auto field for the desired alarm and
press
E
.
3. Change to the desired setting and press
E
.
Off – No alarm will occur.
On – The alarm will occur at the distance specified
Auto The alarm will occur automatically at a dis-
tance determined by the GPS.
To set the alarms:
1.Move the highlight to “ALARMS SETUP’ and press
E
.
2. Select the desired alarm distance field and press
E
.
3. Enter the distance for the alarm and press
E
.
Note: The arrival and CDI alarms may be set from 0.0
to 9.9 units. The anchor drag alarm may be set up to
9.99 distance units.
When setting the anchor alarm, remember that
Selective Availability can degrade your GPS posi-
tion by as much as 100 meters and may cause
false anchor drag alerts
Alarms Setup
REFERENCE
54
To activate an alarm select
‘ON’ in the setup menu.
The anchor drag alarm
will sound if you drift more
than the specified distance
setting.
!!
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