Garmin gpsmap 5212 User Manual

Using Radar

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.

1.  From the Radar screen, touch 

 > 

.

2.  Select an option to adjust the gain:

To return the gain to the default setting, touch 

.

To manually adjust the gain, touch 

 or 

.

There are several options that adjust the gain to help reduce unwanted clutter on the radar screen.

1.  From the Radar screen, touch 

 > 

.

2.  Select an option:

Touch 

 to adjust the gain for unwanted clutter caused by rain at close ranges. 

Touch 

 or 

 to adjust the rain clutter sensitivity.

Touch 

 to adjust the gain for clutter caused by choppy sea conditions. Touch 

, 

, or 

. Touch 

 or 

 to manually adjust the sea clutter sensitivity.

Touch 

 to filter out interference caused by another radar operating in close 

proximity.
Touch 

 (Fast Time Constant) to reduce unwanted clutter caused by rain at a distance. 

FTC has four presets (

Off, Low, Medium, or High).

The Variable Range Marker (VRM) and Electronic Bearing Line (EBL) tools measure range and 

bearing to a target. You can adjust the diameter of the VRM and the angle of the EBL.

The measured range and bearing are displayed in the upper-left corner of the screen.

If the VRM and EBL are hidden, from the Radar screen, touch 

 > 

.

If the VRM and EBL are shown, from the Radar screen, touch 

 > 

 > 

.

1.  On the Radar screen, touch the location you want to set the VRM/EBL marker.
2.  Touch 

.

1.  From the Radar screen, touch 

 > 

 > 

.

2.  Touch the new location where you want to set the marker.
3.  Touch 

.

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