The radar enters disabled mode immediately.•
17-6 Adjusting the quality of the radar
window
Common problems that can degrade the quality of the
radar window include:
sea clutter•
rain clutter•
false echoes (sometimes called ghost echoes) and •
background noise
side lobe patterns (false echoes that appear as an •
arc or a broken arc)
shadows (blind spots)•
multiple echoes off the same object•
incorrect threshold setting•
If the radar is installed at a suitable height and in a
suitable location on your boat, side lobe patterns and
shadows (blind spots) caused by obstructions such as
funnels or masts will be minimized. If you’re having
problems with these, you may need to relocate the radar.
Consult the Installation Guide for your Simrad radar or
talk to your dealer or installer.
Multiple echoes off the same object are most likely
to occur when you are close to a large target and are
usually only a temporary nuisance.
You can adjust the radar to reduce the effects of sea
clutter, rain clutter, and interference from other radars.
You can also change the gain mode setting and the gain
level setting to help reduce false echoes.
To adjust the radar
> Presentation > Adjust Radar >
17-6-1 Changing the gain mode
Use the radar gain mode to specify whether you want
to adjust the radar gain yourself or have it adjusted
automatically.
To change the radar gain mode
> Adjust Radar > Gain Mode
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