Question about Furuno 1942 Mk2 Radar

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Hi, I have a Radar Screen. Furuno 1942 MK2 . What Radar Dome can i plug this into. I have a Furuno 1720 Dome

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A 1942 is a 6 kw radar a 1720 is either a 1.5 or 2.2 kw dome. The two will not work together. Besides the cabling is different. Also the radar cable on a 1942 is round where as the 1720 is square. The 1942 display should work fine on a 1943 navnet radar.

Posted on Oct 31, 2009


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Furuno MK 1942. The antenna does not spin. There is a message on the screen "HDG SIG MISSING". Though the magnetron is fairly new one. I can´t access the Instalation Setup at MENU > OTHER...

Either you have a bad cable, or the motor has given up. Sometimes it can be the mod. board but the bearing pulse generator is located on the motor itself. Also check to see if theres a switch on the back.

Oct 14, 2010 | Furuno 1942 Mk2 Radar

1 Answer

Hi. Looking for a new radar cable for Furuno 1720 say 5m to replace existing cable rather than splice or use a junction box. Can you supply? If so how much? Thanks

yes, this is available from Furuno give me an email address and we will quote can drop ship to marine operation or 10 days delivery John Barry 847-746-0100

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1942 mark2 has power to display but no rotation on screen. Head unit turns.unit has worked for years and all of the sudden quit.check fuse and is ok

To be check the Fuses:1)for antenna ,2)for modulator unit
that are from 4amps until 7amps slow blow

May 19, 2010 | Furuno 1942 Mk2 Radar

1 Answer

I have a apelco m88307 radar dome, can this unit be used with other type or brand screens?

do you still have this radar dome? i am looking to replace the one I just busted as I didnt have enough clearance on the barn door. my email is

Mar 10, 2010 | Furuno 1942 Mk2 Radar

2 Answers

Furuno 1942Mk2 Problem

it cannot determine a heading, have you also damaged an internal antenna or positioning / gps device inside it? It is unsure which direction it is pointing in but uses triangulation to determine this.

That requires either an electronic compass unit, or gps to achieve correct heading and hence correct orientation of the radar image

Nov 14, 2009 | Furuno 1942 Mk2 Radar

1 Answer

Hello I have radar 1832 that does not give echo if it could give to a aid ok wanted me to see if a diagram of the radar grace could alquiril

You either have a bad m.i.c., magnetron or if board. Without any other info it's hard to say. More than likely this will be a costly repair.

Oct 27, 2009 | Furuno 1942 Mk2 Radar

1 Answer

Furuno 1942 MK2 : The radar don't show any echos on the screen.

The gain truned up and filling the screen with dots tells me the M.I.C. is Ok. Since you array fills with water, there is a very very good chance that the wave guide has given up. A good tell tale sign is that there is white powder laying on rectangular aperture located in the center when you raise the lid on the chassis. A new Array will probably be needed and that will cost you anywhere from $800.00 to 1200.00 just for the part. The water is probably getting in from the array from a bad install as well. normally the chasiss does not leak unless you did something wrong.

Oct 22, 2009 | Furuno 1942 Mk2 Radar

1 Answer

The top half of the dome blew off while towing boat. Any way to replace the top half with a used or new piece? Don't need to replace the whole dome.

As long as no damage was done to the enclosure from the lid blowing off, there is no reason that you can't simply put a dome on it. Try contacting furuno direct to see if the part is available. Make sure you know exactly what model radar you have before you call.
Furuno Tech Support : 360 834 9300

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Furuno 1622 doesn't work, water coming out cable at screen!

yes the cable should be replaced if you are lucky, the unit is still OK (display) Try the new cable, draped across the boat before rigging. If fault exists with new cable, replace system, or find a new display on ebay

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