Alarms Tab
Use the Alarms tab to define alarm settings. When an alarm goes off,
the alarm message appears on the GPSMAP 378/478 and the unit
emits five (5) beeps.
Main Menu—Alarms tab
To set an alarm:
1. Highlight the
Alarms
tab on the Main Menu.
2. Select an alarm to set, and press
ENTER
.
3. Change the setting to
On
, and press
ENTER
. If necessary,
highlight the next field to the right, and press
ENTER
. Enter
the settings you want.
4. Press
ENTER
to finish.
When you set an alarm to be persistent, the alarm message appears
on the screen and the unit beeps until you press
ENTER
to
acknowledge the alarm.
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.
3. Press
ENTER
to place a check mark in the
Persist
box.
Navigation (Nav) Alarms
The Nav sub tab contains the following alarms:
Next Turn
—sets 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
—sets 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
—sets an alarm to sound when off course. Select
On
,
then enter a distance.
Anchor Drag
—sets an alarm to sound when you exceed a specified
drift distance. Select
On
, and then enter a distance.
7
GPSMAP 378/478 Owner’s Manual
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