Lowrance Broadband 3G Installation Manual page 11

Above illustrates that raising the Broadband scanner off the hard top allowing most of the
radar energy to clear the hard top.
For best performance, the radar should be positioned to allow the beams to clear the
superstructure of the boat.
Below is a guide to determine scanner height in relation to a vessels hard top overall width.
Optimum Performance
2.0 m
2.2 m
2.4 m
2.6 m
2.8 m
3.0 m
Every Increase of 400 mm of hard top width over 1.0 m wide: Increase height by 140 mm.
Better Performance
2.0 m
2.4 m
2.8 m
3.2 m
Every increase of 400 mm of hard top width over 2.0 m wide: Increase height by 45 mm.
Better performance
Broadband Radar
Best performance
Broadband Radar
0.85 m
1.0 m
1.2 m
1.4 m
1.6 m
1.8 m
Hard top total width
1.4 m
Hard top total width
Installation | Broadband 3G/4G™ Radar Installation Guide
850 mm
Hard Top Width
70 mm
115 mm
163 mm
210 mm
255 mm
303 mm
350 mm
395 mm
443 mm
490 mm
535 mm
Direct
Mount
Direct
Mount
67 mm
112 mm
157 mm
202 mm
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