Garmin 70 Series Owner's Manual - Page 11

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Garmin 70 Series Owner's Manual

Zooming In and Out of the Chart

The zoom level is indicated by the scale number at the bottom of
the chart. The bar under the scale number represents that
distance on the chart.
• To zoom out, select
or pinch two fingers together on the
touchscreen.
• To zoom in, select
or spread two fingers apart on the
touchscreen.

Panning the Chart with the Keys

You can move the chart to view an area other than your present
location.
1
From the chart, use the arrow keys.
2
Select BACK to stop panning and return the screen to your
present location.
NOTE: To pan from a combination screen, select SELECT.

Selecting an Item on the Map Using the Device Keys

1
From a chart or 3D chart view, select , ,
the cursor.
2
Select SELECT.

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, select a location.
2
Select Measure Distance.
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 or a 3D chart view, select a location or object,
and select SELECT.
A list of options appears along the right side of the chart. The
options that appear vary based on the location or object you
selected.
2
Select Create Waypoint.

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.
Charts and 3D Chart Views
, or
to move
CAUTION
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 offshore 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 SELECT.
3
Select Navigate To.
4
Select an option:
• To navigate directly to the location, select Go To.
• To create a route to the location, including turns, select
Route To.
• To use Auto Guidance, select Auto Guidance.
5
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.
6
Follow the magenta line, steering to avoid land, shallow
water, and other obstacles.

Viewing Location and Object Information on a Chart

You can view information about a location or an object on the
Navigation chart or the Fishing chart.
NOTE: The offshore Fishing chart is available with premium
charts, in some areas.
1
From the Navigation chart or Fishing chart, select a location
or object, and select SELECT.
A list of options appears along the right side of the chart. The
options that appear vary based on the location or object you
selected.
2
Select an option:
• To navigate to the selected location, select Navigate To.
• To mark a waypoint at the cursor location, select Create
Waypoint.
• To view the distance and bearing of the object from your
current location, select Measure Distance.
The distance and bearing appear on the screen. Select
SELECT to measure from a location other than your
current location.
• To view tide, current, celestial, chart notes, or local
services information near the cursor, 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
various types of navigation aids, including beacons, lights, and
obstructions.
NOTE: The offshore Fishing chart is available with premium
charts, in some areas.
NOTE: Mariner's Eye 3D and Fish Eye 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.

Heading Line and Angle Markers

The heading line is an extension drawn on the map from the
bow of the boat in the direction of travel. Angle markers indicate
relative position from the heading or course over ground, which
are helpful for casting or finding reference points.
5