Missing radar echos

A

Anonymous

Guest
Hi,

I have a setup with Navnet VX2 and a 1934C open radar.
I experience strange radar behavior, the radar image is missing most of the echos and it looks almost empty, just a small echo to starboard Close to the boat.

Steps done,

Tried to recalibrate radar (gain 50, no ac or rain correction), no auto tuning, video optimization done. Still the radar picture is bad. I assumed the magnetron was causing this and I have tried to replace the magnetron without luck.
Strangely the radar sometimes works for a while, but the next day it is gone again.

I have tried to replace the VX2 unit with anothor and the radar image was good so I assumed the display unit was causing this issue. However, it was a short pleasure as the radar image was weak again next day.

Any ideas what can cause the radar issue?
 
It sounds like a mic or if amp but before continuing to throw parts at the issue, it might be time to call your dealer.
 
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