Question about Garmin Nuvi 660 GPS Receiver

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Garmin 178c sounder how to change from knots to mph

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: GPS wont boot up

Use with caution: This will delete your user data on the unit.

Try a reset:

  • Hold QUIT pressed when turning unit ON (will delete waypoints, routes and tracklogs)
(This worked for me when I had a similar problem.)

You could try a master reset;
  • Hold Zoom-OUT + QUIT + NAV and power ON. Hold keys for 10-12 seconds.
  • You lose all almanac and temperature compensation tables (it reconstructs itself but takes time - several hours)
  • Be patient - it will take HOURS for the unit to recover
Fair warning: I have not personally tried the master reset.

Posted on Dec 16, 2007

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  • 1584 Answers

SOURCE: garmin 178c turns off on it's own.

Hi

Sounds very much like the wiring plug connections in the back, always overlooked but so important that connections are tight and contacting.

Posted on Aug 13, 2009

  • 638 Answers

SOURCE: would like to buy a garmin gpsmap 178/178c owners manual

Contact Garmin and they will sell you one.

Posted on Apr 15, 2010

  • 1 Answer

SOURCE: I have a Garmin 178c map/sounder and it will not

I have the same problem. Did you ever figure out why it was not loading? There are no software adjustments to be made. Just plug in the card and wait. It says its reading the card, but never goes any further. Let it 'read the card' for hours with no luck. Help!!!

Posted on Jul 05, 2010

leethedeuce
  • 4472 Answers

SOURCE: my garmin gps 178c sounder

I assume your talking about the marine updater. All the steps are located here:
http://www8.garmin.com/products/marineupdater/
If you have any other questions let me know.
thank you,
Lee

Posted on Oct 10, 2010

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Why does my screen blink all the time on my 178c sounder


check your power connection, if that is still good your unit may be dying

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I have used the Gpsmap 178c for about 3 years now. Recently I have started be unable to find satelites, wass on or off. Once in a while it works. presently I get no satelites I would buy a new antenna...


Based on the problems I have seen with this unit the problem is the reciever circuit not the antenna, so you should consider a new unit, Garmin charges a fortune to repair these.

Sep 22, 2010 | Garmin GPSMAP 178C Sounder GPS Receiver

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My Garmin GPSMAP 178C screen backlight failed


Backlight problem: Remove the display, remove the light tube from behind the LCD. Buy a led panel from Ebay for around $5 and install it behind the LCD under the drfusing layers. Run the wires out to a 12 VDC source and there you have it.

Jul 13, 2010 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

GPSMAP 178C Sounder GPS Receiver: My 178C will not stay powered up. I just replaced ...


I had the same problem with mine. It is caused by a crimped wire on the internal harness inside the machine. I opened it up and discovered that when originally put together 3 of the wires from the plug were crimped. One was broken off. The only way to fix it is to open it up, restrip the wires place a piece shrink wrap on before you solder it back and then make the shrink wrap flush with the back of the plug and heat her up. And, Voila... no more intermittent operation. Hope this helps? John

May 18, 2010 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

Garmin 178c won't find satellites


It would appear that your Garmin has no clue as to where it is on the planet. I think a trip to the owner's manual:

http://www8.garmin.com/manuals/GPSMAP178CSounder_OwnersManual.pdf

might be your best bet to help initialize your unit. The info on how to graphically initialize your Garmin can be found on page 5.

Hope this is helpful.
Good Luck!

May 04, 2010 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

Garmin 178c turns off on it's own.


Hi

Sounds very much like the wiring plug connections in the back, always overlooked but so important that connections are tight and contacting.

Jul 06, 2009 | Garmin GPSMAP 178C GPS Receiver

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