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Is there a software update on an older Garmin radar?

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Is there a software update on an older Garmin radar?

Old 02-14-2020, 07:34 PM
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Default Is there a software update on an older Garmin radar?

Is there software updates on the GMR18Hd? Mine isn't showing targets at over 1/2 mile or so. Works ok up close, have had display to quit after unit has been running for hours. If updates are available, how is it done?
Old 02-14-2020, 08:21 PM
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Yes. depending which one of the options below work for you.
  • Garmin Marine Network Update with Garmin Card, Ver. 2013.1125, as of Nov 25, 2013, Download
  • GPSMAP Series with SD Card, Ver. 2019.1030.0, as of Oct 30, 2019, Download
  • GPSMAP Series with SD Card for Mac, Ver. 2019.1030.0, as of Oct 30, 2019, Download
  • Legacy GPSMAP with SD Card, Ver. 2019.1030.0, as of Oct 30, 2019, Download
  • Legacy GPSMAP with SD Card for Mac, Ver. 2019.1030.0, as of Oct 30, 2019, Download



https://www8.garmin.com/support/coll...t=010-00572-02

Jim
Old 02-14-2020, 10:24 PM
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Software update is not going to fix a non working radar. Did it used to work?

have you changed the gain, rain, and sea settings?
Old 02-16-2020, 03:31 PM
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Originally Posted by smac999 View Post
Software update is not going to fix a non working radar. Did it used to work?

have you changed the gain, rain, and sea settings?
Yes. I have 2 of these radars, the one I bought new years ago works fine. The one in question seems like it doesn't show targets over 1/2 mile or so. Turn the gain up, it starts sweeping a solid yellow circle.
Old 02-16-2020, 10:05 PM
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Originally Posted by Sea-r-cy View Post
Yes. I have 2 of these radars, the one I bought new years ago works fine. The one in question seems like it doesn't show targets over 1/2 mile or so. Turn the gain up, it starts sweeping a solid yellow circle.
You don't mention rain and sea clutter settings. Are they set down to 0 on Manual setting before you gradually start increasing gain at a range of 1/2 nm or above ? No targets displayed in any direction, or just fwd and aft as with an antenna angled incorrectly?
Is this at sea?

Did you just obtain this one used and it hasn't ever worked better for you?

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