Question about Garmin zumo 550 GPS Receiver

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Garmin Zumo wired headset

The voice quality is so poor when using a wired headset that a conversation is impossible. I have tried several different microphones and they are all pretty poor. could it be a Zumo fault on the microphone input side all other functions including blue tooth are fine

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I bought a wired motorcycle headset, which does works okay (below 50 mph) www.imc-motorcom.com, didn't like the wire so I switched to a BT helmet kit, manufactured by interphone, works like a charm.

Posted on Jun 09, 2008

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Zumo 550 User Guide


You can find the different user guides for this unit (in different languages too) to download on this page: https://buy.garmin.com/shop/store/manual.jsp?product=010-00567-00&cID=135&pID=414

Jun 13, 2009 | Garmin zumo 550 GPS Receiver

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Speaker doesn't work when using Garmin on my motorcycle but it works in my truck. got any ideas?


there is a speaker on the cradle for the car and none on the bike cradle probably due to the exposure to the elements when on the bike and i think the Zumo must be powered from the bike for the speaker on the Zumo to work when riding.

May 23, 2009 | Garmin zumo 550 GPS Receiver

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I cannot get audio at all for my garmin zumo 550. all it says onscrean is to connect zumo to holder which i have done or to connect to bluetooth headset.i think i may have a problem with my power lead but...


The 550 relies on the car base for audio as it has no speaker. If the base is not powered up it will not amplify the sound out of the GPS unit, Check the in-line fuse on the power cord, it is usually located in the tip of the cigarette lighter adapter. twist off the tip and this should expose a fuse.
HAve you tried connecting to it with a bluetooth headset, this should work regardless of whether or not it is on the base.

Hope this is of some help.
Ed

Apr 20, 2009 | Garmin zumo 550 GPS Receiver

1 Answer

Garmin zumo 550 map update problem


  1. Make a backup of your Zumo by copying all the file to your computer.
  2. Using your PC and MapSource select all the maps then send them to a SD memory card need 2Gig or bigger card.
  3. Try to rename this file to gmapprom.img and replace the same named file in your zumo. (I haven't tried this personally, so if it fails, just replace this with your backup and all will be as it was.)
  4. If this fails, you can use the SD memory card in your zumo and it will use this map instead, but it will take longer to boot your zumo.

Jan 09, 2009 | Garmin zumo 550 GPS Receiver

1 Answer

Zumo 400


You mean helmet speakers? If you use the bike mount it should work, the car mount is a line out(not amplified so the sound is very poor) I had a wired helmet set, worked okay below 50 KMh

Jun 16, 2008 | Garmin zumo 550 GPS Receiver

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Zumo 550


there is an extra audio menu under the wrench symbol, this one differs from the front panel set both of these to 100%, should be better!

Jun 02, 2008 | Garmin zumo 550 GPS Receiver

1 Answer

No Voice


Have you tried someone elses car cradle? There is a small amp in the car cradle which is probably fried, Is it under warranty? If so ship it back, if not, find another zumo user to test if it's the cradle or not, then still try Garmin, if the response is 'no warranty', shop for a cradle on ebay..seen them NEW for less than $ 50

Jan 02, 2008 | Garmin zumo 550 GPS Receiver

1 Answer

Lines Running North and South


How do you load maps? and are these Garmin maps. I try to keep the Zumo original and use an SD card for extra maps. Did you try this yet? And if you are using SD cards, try a different brand/quality. I had some lockups with crappy budget cards. Kingston, Sandisk and some other A brands work fine!

Oct 16, 2007 | Garmin zumo 550 GPS Receiver

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