Zooming In And Out Using The Touchscreen; Chart Symbols; Measuring A Distance On The Chart; Creating A Waypoint On The Chart - Garmin GPSMAP 7400 Owner's Manual

The Fishing Chart provides a detailed view with more bottom
detail and fishing content. This chart is optimized for use when
fishing. To open the Fishing Chart, select Charts > Fishing
Chart.

Zooming In and Out Using the Touchscreen

You can quickly zoom in and out of many screens, such as the
charts and sonar views.
• Pinch two fingers together to zoom out.
• Spread two fingers apart to zoom in.

Chart Symbols

This table contains some of the common symbols you might see
on the detailed charts.
Icon Description
Buoy
Information
Marine services
Tide station
Current station
Overhead photo available
Perspective photo available
Other features common to most charts include depth contour
lines, intertidal zones, spot soundings (as depicted on the
original paper chart), navigational aids and symbols,
obstructions, and cable areas.

Measuring a Distance on the Chart

1
From a chart or the Radar overlay, select a location.
2
Select Measure.
A push pin appears on the screen at your present location.
The distance and angle from the pin is listed in the corner.
TIP: To reset the pin and measure from the current location of
the cursor, select Select.

Creating a Waypoint on the Chart

1
From a chart, select a location or object.
2
Select .

Viewing Location and Object Information on a Chart

You can view information, such as tide, current, celestial, chart
notes, or local services, about a location or an object on the
Navigation chart or the Fishing chart.
1
From the Navigation chart or Fishing chart, select a location
or object.
A list of options appears along the top of the chart. The
options that appear vary based on the location or object you
selected.
2 If necessary, select .
3 Select Information.

Viewing Details about Navaids

From the Navigation chart, Fishing chart, Perspective 3D chart
view, or Mariner's Eye 3D chart view, you can view details about
Charts and 3D Chart Views
various types of navigation aids, including beacons, lights, and
obstructions.
NOTE: The Fishing chart is available with premium charts, in
some areas.
NOTE: 3D chart views are available with premium charts, in
some areas.
1
From a chart or 3D chart view, select a navaid.
2
Select the name of the navaid.

Navigating to a Point on the Chart

The Auto Guidance feature is based on electronic chart
information. That data does not ensure obstacle and bottom
clearance. Carefully compare the course to all visual sightings,
and avoid any land, shallow water, or other obstacles that may
be in your path.
When using Go To, a direct course and a corrected course may
pass over land or shallow water. Use visual sightings, and steer
to avoid land, shallow water, and other dangerous objects.
NOTE: The Fishing chart is available with premium charts, in
some areas.
NOTE: Auto Guidance is available with premium charts, in some
areas.
1
From the Navigation chart or Fishing chart, select a location.
2
If necessary, select Navigate To.
3
Select an option:
• To navigate directly to the location, select Go To or
• To create a route to the location, including turns, select
Route To or .
• To use Auto Guidance, select Auto Guidance or
4
Review the course indicated by the magenta line.
NOTE: When using Auto Guidance, a gray segment within
any part of the magenta line indicates that Auto Guidance
cannot calculate part of the Auto Guidance line. This is due to
the settings for minimum safe water depth and minimum safe
obstacle height.
5
Follow the magenta line, steering to avoid land, shallow
water, and other obstacles.

Premium Charts

The Auto Guidance feature is based on electronic chart
information. That data does not ensure obstacle and bottom
clearance. Carefully compare the course to all visual sightings,
and avoid any land, shallow water, or other obstacles that may
be in your path.
NOTE: Not all models support all charts.
Optional premium charts, such as BlueChart
you to get the most out of your chartplotter. In addition to
detailed marine charting, premium charts may contain these
features, which are available in some areas.
Mariner's Eye 3D: Provides a view from above and behind the
boat for a three-dimensional navigation aid.
Fish Eye 3D: Provides an underwater, three-dimensional view
that visually represents the sea floor according to the
information on the chart.
Fishing Charts: Shows the chart with enhanced bottom
contours and without navigational data. This chart works well
for offshore deep-sea fishing.
High Resolution Satellite Imagery: Provides high-resolution
satellite images for a realistic view of the land and water on
the Navigation chart (Showing Satellite Imagery on the
Navigation Chart, page
CAUTION
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