Lowrance electronic lra-1800 Manual Do Utilizador

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The radar page displays digital information on the screen which covers, 
Range Rings, Gain, Anti-Sea Clutter (STC), Anti-Rain Clutter (FTC) 

and when active, Electronic Bearing Lines (EBL) and Variable Range 

Markers (VRM). 
Gain 
The percentage listed next to Gain, displays the current Gain setting 
for your radar display. 
NOTE: 

When adjusting Gain back to a useable level, increase the level un-
til you see a light peppering on the display. You will have to adjust 

gain every time you change ranges. 

Range Rings 
The Range Ring display in the upper left-hand corner of the radar dis-

play shows the current range ring setting. In the example above, Range 

is .5 nautical miles. The Range Ring setting (the distance between each 
ring) is .125 nautical miles.