Garmin GPSMAP 702 series, Owner'S Manual

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Shaded areas indicate optimal fishing areas. If you have
selected more than one species of fish, you can select a
shaded area to view the fish species that are included in the
shaded area.
Changing the Sea Surface Temperature Color Range
You can change the color range dynamically to view higher
resolution sea surface temperature readings.
1
From the weather fishing chart, select Menu > Sea
Temperature .
2
Select an option:
• To allow the chartplotter to adjust the temperature range
automatically, select Auto Configure .
The chartplotter automatically finds the lower and upper
limits for the current screen, and updates the temperature-
color scale.
• To enter the lower and upper limits for the temperature
range, select Lower Limit or Upper Limit , and enter the
lower or upper limit.
Visibility Information
Visibility is the forecast maximum horizontal distance that can be
seen at the surface, as shown in the legend on the left of the
screen. Variations in the visibility shading show the forecast
change in surface visibility.
NOTE: This feature is not available on all devices and in all
subscriptions.
Select
Charts > Visibility .
Viewing Forecast Visibility Information for Another
Time Period
1
Select Charts > Visibility .
2
Select an option:
• To view the visibility forecast for the next 36 hours, in 12-
hour increments, select Next Forecast multiple times.
• To view the visibility forecast for the previous 36 hours, in
12-hour increments, select Previous Forecast multiple
times.
Viewing Buoy Reports
Report readings are taken from buoys and coastal observation
stations. These readings are used to determine air temperature,
dew point, water temperature, tide, wave height and period,
wind direction and speed, visibility, and barometric pressure.
1
From a weather chart, select .
2 Select Buoy .
Viewing Local Weather Information near a Buoy
You can select an area near a buoy to view forecast information.
1 From a weather chart, select a location on the chart.
2
Select Local Weather .
3
Select an option:
• To view present weather conditions from a local weather
service, select Current Cond. .
• To view a local weather forecast, select Forecast .
• To view surface wind and barometric pressure information,
select Sea Surface .
• To view wind and wave information, select Marine
Bulletin .
Creating a Waypoint on a Weather Chart
1
From a weather chart, select a location.
2
Select Create Waypoint .
Weather Overlay
The weather overlay superimposes weather and weather-related
information on the Navigation chart, the Fishing chart, and the
Perspective 3D chart view. The Navigation chart and the Fishing
chart can show weather radar, height of cloud tops, lightning,
weather buoys, county warnings, and hurricane warnings. The
Perspective 3D chart view can show weather radar.
Weather overlay settings configured for use on one chart are not
applied to another chart. The weather overlay settings for each
chart must be configured separately.
NOTE: The offshore Fishing chart is available with premium
charts, in some areas.
Turning On the Weather Overlay on a Chart
From the Navigation chart or Fishing chart, select Menu >
Chart Setup > Weather > Weather > On .
Weather Overlay Settings on the Navigation Chart
From the Navigation chart, select Menu > Chart Setup >
Weather .
Weather : Turns on and off the weather overlay.
Precipitation : Shows precipitation data.
Cloud Cover : Shows cloud cover data.
Visibility : Shows visibility data.
Buoys : Shows weather buoys.
Legend : Shows the weather legend.
Weather Overlay Settings on the Fishing Chart
From the Fishing chart, select Menu > Chart Setup > Weather .
Precipitation : Shows precipitation radar.
Sea Temperature : Shows sea temperature data.
Buoys : Shows weather buoys.
Legend : Shows the weather legend.
Viewing Weather Subscription Information
You can view information about the weather services you have
subscribed to and how many minutes have passed since the
data for each service was updated.
From a weather chart, select Menu > Weather
Subscription .
Viewing Video
Before you can view video, you must connect to a compatible
source.
Compatible devices include video devices connected to the
ports on the chartplotter or to the Garmin Marine Network, as
well as supported network (IP-based) video cameras, encoders,
and thermal cameras.
Select A/V, Gauges, Controls > Video .
Selecting a Video Source
1
From the video screen, select Menu > Source .
2
Select the source of the video feed.
Alternating Among Multiple Video Sources
If you have two or more video sources, you can alternate
between them using a specific time interval.
1
From the video screen, select Menu > Source > Alternate .
2
Select Time , and select the amount of time each video
appears.
3 Select Source , and select the video sources to add to the
alternating sequence.
42 Viewing Video