Garmin GPSMAP 5008 Owner's Manual - Page 46

Understanding the Radar Overlay Screen, Obtaining Optimal Radar Display Performance

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Using Radar MARPA Target (only appears when you are targeting a tagged MARPA object)­-opens the MARPA target information window. Lost MARPA target Closest point and time of approach to dangerous MARPA target Tracking MARPA target Dangerous MARPA target Acquiring MARPA target MARPA Targeting Understanding the Radar Overlay Screen Use the Radar Overlay option to overlay radar information on the Navigation chart. Using Radar Radar range From the Home screen select Radar > Radar Overlay. The radar picture appears in orange and overlays the Navigation chart. Use the RANGE (+/-) keys (GPSMAP 4000 series) or the and keys (GPSMAP 5000 series) to zoom in and out. Zooming while panning the map only affects the zoom scale of the map. The radar range remains the same. Zooming while the map is locked on the boat (not panning) affects the zoom scale of the map and the radar range. To access additional settings or options for the radar overlay screen, select Menu. Select Setup > Chart Setup to access the chart options. Select Radar Setup to return to the radar setup options. Obtaining Optimal Radar Display Performance The gain controls the sensitivity of the radar receiver. The default setting for the gain, Auto, adjusts the gain automatically to provide the best performance. To adjust the gain: 1. Select Menu > Gain on the radar screen. 2. Select Up or Down to manually adjust the gain; select Auto to return the gain to the default setting. 42 GPSMAP® 4000/5000 Series Owner's Manual

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42
GPSMAP
®
4000/5000 Series Owner’s Manual
Using Radar
Using
Radar
MARPA Target
(only appears when you are targeting a tagged MARPA object)—opens the
MARPA target information window.
MARPA Targeting
Acquiring
MARPA target
Tracking
MARPA target
Lost MARPA
target
Dangerous
MARPA target
Closest point and time of
approach to dangerous
MARPA target
Understanding the Radar Overlay Screen
Use the Radar Overlay option to overlay radar information on the Navigation chart.
Radar range
From the Home screen select
Radar
>
Radar Overlay
. The radar picture appears in orange and
overlays the Navigation chart. Use the
RANGE
(+/-) keys (GPSMAP 4000 series) or the
and
keys (GPSMAP 5000 series) to zoom in and out. Zooming while panning the map only affects the
zoom scale of the map. The radar range remains the same. Zooming while the map is locked on the
boat (not panning) affects the zoom scale of the map and the radar range.
To access additional settings or options for the radar overlay screen, select
Menu
.
Select
Setup
>
Chart Setup
to access the chart options. Select
Radar Setup
to return to the radar setup options.
Obtaining Optimal Radar Display Performance
The gain controls the sensitivity of the radar receiver. The default setting for the gain, Auto, adjusts
the gain automatically to provide the best performance.
To adjust the gain:
1. Select
Menu
>
Gain
on the radar screen.
2. Select
Up
or
Down
to manually adjust the gain; select
Auto
to return the gain to the default
setting.