20 Most Recent Garmin GPSMAP 492 GPS Receiver Questions & Answers


Have you checked the battery? You can have the battery checked for free at any Interstate battery outlet.

Garmin GPSMAP... | Answered on Jul 01, 2015


Hi,

492 came either as internal or external antenna. Which are you using? If external, I'd carefully check all connections to the antenna as the first thing. Seems to me that either they are hosed, or you likely have a defective antenna or plotter. If internal, I know you said not much has changed but could you have added something (probably metal) which could be blocking internal antenna's sky view? (I don't think this is very likely.)

I take it you are seeing NO satellites when you look at the on-screen chart in the config section?

About the map detail. the pre-loaded charts on the 492 are very good, but with a few exceptions they don't go very far up coastal rivers. The 492 will accept data cards which have more detail for a given region. Check with Garmin or on their website for availability for your river/area.

Now, with the issue you have, you need to contact Garmin for a software update. They will send you a chip and only ask for a deposit. You will get your deposit back once you get return the chip.It's more of what they call a collateral for the replacement unit.

I spoke with Garmin and a software update is the fix but there may be a work around to get you going until the update. See complete response from Garmin below:

Thank you for contacting Garmin International.

I would be happy to help you with this. First, I would try a auto locate
and see if that corrects the issue. If it doesn't I would then try a
software update. I'll provide directions below on how to do both of
these.

Directions on how to do a AutoLocate:

1. Power unit on
2. Hold down the Menu button
3. Highlight the GPS tab
4. Press Menu
5. Highlight AutoLocate
6. Press Enter

After you click on AutoLocate let it set for 20 to 30 minutes with a
clear view of the sky.

Directions on how to do a software update:

If you don't want to purchase the data card or data card reader we can
send you a data card with the update already on it. We would charge you
50 dollars + shipping and handling then once you return the data card we
would credit you back the 50 dollars. If you decide to do this, you'll
need to call us directly at 1-800-800-1020 M-F 800am to 600pm Central
time.

That's what I was told. I hope that somehow, it helped you out. Tell me what happens or what they tell you. Thank you for choosing FixYa!

Garmin GPSMAP... | Answered on Jul 06, 2011


i have same problem...

Garmin GPSMAP... | Answered on Nov 04, 2010


If the unit won't pick up the satellite signal's (it must latch onto at least 4 satallites) after about 10 minutes in open area away from large trees and buildings then the GPS is defective, the satellite receiver has failed, this is the number one problem after dead batteries, to get this GPS repaired it must be sent back to garmin, u can call garmin customer support at the following or email them through the customer support web site to arrange for repair and return of the unit. here is that information.
North America - Consumer Products
Monday - Thursday: 8 AM - 6 PM, Friday 8 AM - 5 PM Central Time (closed holidays)
US: 913-397-8200
US Toll Free: 1-800-800-1020
Canada: 1-866-429-9296

web site link for email support:

http://www.garmin.com/garmin/cms/home/support/supportcontact

Garmin GPSMAP... | Answered on Jun 15, 2010


Go to settings and set the correct time to your location!

Garmin GPS | Answered 3 days ago


Contact Garmin to inquire.

Garmin GPS | Answered on Nov 24, 2020


By operating the power switch and holding it in the off position until your Nuvi shuts down

Garmin GPS | Answered on Nov 24, 2020


This is usually done through a computer or laptop. Create an account on the Garmin website. Connect your Sat-Nav to the computer. You should be able to download the updates through your account.

Garmin GPS | Answered on Nov 24, 2020


If you are outside in a wide open area and can't detect any satellites, your Garmin C330 may have failed.

Garmin GPS | Answered on Nov 24, 2020

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