Bedienungsanleitung Garmin GPSMAP 7607 (Seite 36 von 62) (Englisch)

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Select

Down to lower the gain until the speckles disappear.

If boats, land, or other targets are within range, select Down

to lower the gain until the targets begin to blink.

Select

Up to raise the gain until the boats, land, or other

targets appear steadily lit on the Radar screen.

Minimize the appearance of nearby large objects, if

necessary.

Minimize the appearance of side-lobe echoes, if necessary.

Minimizing Nearby Large-Object Interference

Nearby targets of significant size, such as jetty walls, can cause

a very bright image of the target to appear on the Radar screen.

This image can obscure smaller targets located near it.

NOTE:

Depending upon the radar in use, the gain setting

configured for use in one radar mode may or may not be applied

to other radar modes or to the Radar overlay.

From a Radar screen or the Radar overlay, select Menu >

Gain.

Select

Down to lower the gain until the smaller targets are

clearly visible on the Radar screen.

Reducing the gain to eliminate nearby large-object

interference may cause smaller or distant targets to blink or

disappear from the Radar screen.

Minimizing Side-Lobe Interference on the Radar Screen

Side-lobe interference may appear to streak outward from a

target in a semi-circular pattern. Side-lobe effects can be

avoided by reducing the gain or reducing the radar range.

NOTE: Depending upon the radar in use, the gain setting

configured for use in one radar mode may or may not be applied

to other radar modes or to the Radar overlay.

From a Radar screen or the Radar overlay, select Menu >

Gain.

Select

Down to lower the gain until the semi-circular,

streaked pattern disappears from the Radar screen.

Reducing the gain to eliminate side-lobe interference may

cause smaller or distant targets to blink or disappear from the

Radar screen.

Adjusting Sea Clutter on the Radar Screen Automatically

You can set the chartplotter to automatically adjust the

appearance of clutter caused by choppy sea conditions.

NOTE: Depending upon the radar in use, the sea clutter setting

configured for use in one radar mode may or may not be applied

to other radar modes or to the radar overlay.

NOTE: Not all options and settings are available on all radar and

chartplotter models.

From a radar screen or the radar overlay, select Menu > Sea

Clutter.

Select

Presets or Auto.

Select a setting that reflects the present sea conditions.

When using a compatible radar model, the chartplotter adjusts

the sea clutter based on the sea conditions automatically.

Adjusting Sea Clutter on the Radar Screen Manually

You can adjust the appearance of clutter caused by choppy sea

conditions. The sea clutter setting affects the appearance of

nearby clutter and targets more than it affects the appearance of

distant clutter and targets. A higher sea clutter setting reduces

the appearance of clutter caused by nearby waves, but it can

also reduce or eliminate the appearance of nearby targets.

NOTE:

Depending upon the radar in use, the sea clutter setting

configured for use in one radar mode may or may not be applied

to other radar modes or to the radar overlay.

From a radar screen or the radar overlay, select Menu >

Sea

Clutter

Select

Up or Down to adjust the appearance of sea clutter

until other targets are clearly visible on the radar screen.

Clutter caused by sea conditions may still be visible.

Adjusting Rain Clutter on the Radar Screen

You can adjust the appearance of clutter caused by rain.

Reducing the radar range also can minimize rain clutter

(Zooming In and Out of the Radar Screen,

page

25).

The rain clutter setting affects the appearance of nearby rain

clutter and targets more than it affects the appearance of distant

rain clutter and targets. A higher rain clutter setting reduces the

appearance of clutter caused by nearby rain, but it can also

reduce or eliminate the appearance of nearby targets.

NOTE:

Depending upon the radar in use, the rain clutter settings

configured for use in one radar mode may or may not be applied

to other radar modes or to the radar overlay.

From a radar screen, select Menu

> Radar Options > Rain

Clutter

Select

Up or Down to decrease or increase the appearance

of nearby rain clutter until other targets are clearly visible on

the radar screen.

Clutter caused by rain may still be visible.

Reducing Cross Talk Clutter on the Radar Screen

You can reduce the appearance of clutter caused by

interference from another nearby radar source, when the cross

talk reject setting is on.

NOTE:

Depending upon the radar in use, the cross talk reject

setting configured for use in one radar mode may or may not be

applied to other radar modes or to the Radar overlay.

From a Radar screen or the Radar overlay, select

Menu >

Radar Setup > Crosstalk Rej..

Radar Options Menu

From a radar screen, select Menu > Radar Options.

MotionScope™: Uses the Doppler effect to detect and highlight

moving targets to help you avoid potential collisions, find

flocks of birds, and track weather formations.

Pulse Exp.: Increases the duration of the transmit pulse, which

helps maximize the energy directed toward targets. This

helps to enhance the detection and identification of targets.

Echo Trails: Enables you to track the movement of vessels on

the radar screen.

Rain Clutter: Reduces the clutter caused by rain.

Show VRM/EBL: Shows the variable range marker (VRM) circle

and the electronic bearing line (EBL) to allow you to measure

the distance and bearing from your boat to a target object.

Enable Guard Zone: Sets a safe zone around your boat and

sounds an alarm when anything enters the zone.

Timed Transmit: Helps conserve power by transmitting radar

signals at set intervals.

Radar Setup Menu

From a radar screen, select Menu > Radar Setup.

Source: Selects the radar source when more than one radar is

connected to the network.

Chart Display: Shows the chart under the radar image. When

enabled, the Chart Setup

menu appears.

Orientation: Sets the perspective of the radar display.

Crosstalk Rej.: Reduces the appearance of clutter caused by

interference from another nearby radar source.

Rotation Spd.: Sets the preferred speed at which the radar

rotates. The High Speed option can be used to increase the

refresh rate. In some situations, the radar automatically

rotates at the normal speed to improve detection, for

example, when a longer range is selected or when

MotionScope or Dual range is used.

28 Radar

Garmin GPSMAP 7607 Seite 36

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