Click to expand.I did a google for 'jrc radar manual' and the first hit was, who has copies for sale, for US$20 If you go to, and look for 'light marine/Radar, you will find the Radar 1000 Mk II listed, and the manual is available there for download. Don't know if that will be the exact manual for your unit, but it may be close enough - otherwise you could email them for information. Peter Bennett, VE7CEI peterbb4 (at) interchange.ubc.ca new newsgroup users info: GPS and NMEA info: Vancouver Power Squadron.
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JRC RADAR JMA-5300 MK2. Jrc 1000 mk2 radar manual jrc 1000 mk2 radar manual - title ebooks. AIS Base Station Transas T214. Jrc Radar 1000 Mk2 Manually. Jrc Radar 1000 Mk Ii Manual. 1510 mk2 service manual jrc radar. Jrc 1500 mkii instruction manual pdf download, view and download jrc 1500 mkii. Jan 06, 2012 JRC Radar 1500 MK II. Manual, and everything you need. As I recall this is a 20 mile radar, and the JRC 1000 is a 16 mile.
Larry, That is an astute observation. In fact, in the Netherlands, a regulation was recently passed that all the commercial shipping must have radars that work between 0 and 100 meters by the end of '06. This will be a big problem because most of the existing commercial radars and their mounting will not see close targets.
However, the vertical fan of most antennas is 30 degrees, so mounting isn't the biggest problem. The biggest issue is pulse width and electronics speed. At 6.36usec per radar mile, the pulse width must be less than 1usec and the receiver must be on within nano seconds after the pulse transmission in order to sense a close target. Click to expand.The little 2KW Raymarine can see the docks three slips away from about 22' up Lionheart's mizzen. It draws so little DC power its pulse width has to be very narrow, indeed. I know of someone else who regrets putting the radar atop the mast at 55' on a sloop because the bouys disappear about a football field length away from the boat with the same radar. This observation of the Raymarine 2KW is taken when the radar is new, not after the internal condensation problems of Raymarine radomes has eaten away the potmetal chassis, rendering it useless.
Jrc Radar 1500 Manual
I just put the third radome up the mizzen. By the way, for the Raymarine 2KW owners, the new radome has these little plastic feet to hold the radome up off the mounting by about 1/2 inch. The mounting bolts go through a hole in these feet. Looks like a patch for the problem of stainless steel bolts and pot metal holes they screw into making another galvanic battery to eat the chassis off from the bottom. Click to expand.Not at all.
Jrc 2000 Radar
The condensation problems stem from the dome being open to the air and exposed to the sun in a high humidity environment. It works the same as a nearly-empty gas tank sucking in cold, wet night air when the sun sets to condense inside all night and run down the walls, then blow air out the little rubber tit at the bottom of the radome when the sun comes up, boiling off what water it can in the heat of the day to create its own rainstorm inside the OPEN pot metal chassis to eat away at the electronics until the sun sets, again, to repeat the process. The problem is not the bottom mounting, the problem is the 'gas tank effect' creating saturated hot air inside the dome because it's cheap to make an unsealed dome that doesn't have to withstand a few pounds of pressure.