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GPSMAP 78 Series Owner’s Manual
Customizing Your Device
Setting the Deep Water or
Shallow Water Alarm
1. From the main menu, select
Setup
>
Marine Settings
.
2. Select
Shallow Water
>
On
to set
an alarm to sound when the depth is
less than the specified value.
3. Enter the depth that triggers the
shallow water alarm.
4. Select
Done
.
5. Select
Deep Water
>
On
to set an
alarm to sound when the depth is
greater than the specified value.
6. Enter the depth that triggers the
deep water alarm.
7. Select
Done
.
Resetting Data
You can reset trip data, delete all
waypoints, clear the current track, or
restore default values.
1. From the main menu, select
Setup
>
Reset
.
2. Select an item to reset.
Changing the Page
Sequence
1. From the main menu, select
Setup
>
Page Sequence
.
2. Select a page.
3. Select
Move
.
4. Move the page up or down the list.
5. Press
ENTER
.