To set a persistent alarm:
1. Highlight the
Alarms
tab on the Main Menu.
2. Highlight the box next to the alarm you want to make
persistent (for example,
Next Turn
).
3. Press
ENTER
to place a check mark in the
Persist
box.
Navigation (Nav) Alarms
Next Turn
—set an alarm to indicate the next turn in a route.
Select
Dist
to specify a distance before you reach the next turn
to sound the alarm. Select
Time
to specify a time before the turn
for the alarm to go off. Select
Auto
for the unit to provide a Next
Turn alarm at its discretion.
Arrival
—set an alarm to sound when you are a specified
distance or time away from a destination waypoint. Select
Auto
for the unit to provide an arrival alarm at its discretion.
Off Course
—set an alarm to sound when off course. Select
On
,
and then enter a distance.
Anchor Drag
—set an alarm to sound when you exceed a
specified drift distance. Select
On
, and then enter a distance.
Custom POI
—set an alarm to sound when approaching a
custom POI.
System Alarms
Clock
—set an alarm based on the unit’s clock. Select
On
, and
then enter a specific time that you want the alarm to sound. The
GPSMAP 278 must be on for the clock alarm to work.
Ext. (External) Voltage
—set an alarm to sound when the
external voltage drops below a specified amount. Select
On
, and
then enter a specific voltage.
DGPS
—set an alarm to sound when the GPSMAP 278 loses a
differential fix.
Anchor Drag
—sets an alarm to sound when you exceed a
specified drift distance. Select
On
, and then enter a distance.
Accuracy
—set an alarm to sound when GPS accuracy falls
outside of the user-set value. Select
On
, and then specify a
distance.
72
GPSMAP 278 Owner’s Manual
M
AIN
M
ENU
>
A
LARMS
T
AB
Summary of Contents for GPSMAP 278 - Marine GPS Receiver
Page 1: ...Owner s Manual GPSMAP 278...
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