General Discussion Triathlon Talk » Does anyone's Garmin 910 Elevation work? Rss Feed  
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2013-06-03 9:36 AM

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Subject: Does anyone's Garmin 910 Elevation work?

I've had my 910 for a year now.  When I first got it, the barometric altimeter worked fine providing good elevation data for my training.  A couple of months ago it stopped working and I contacted Garmin for help.  We did some trouble-shooting over the phone even going into diagnostic logs on the device and they said it was a software issue and their engineers would have to develop a fix.  I noticed that on Garmin Connect that even if I switched to the "enable correction" for elevation (where it is SUPPOSED to use known terrain mapping to provide elevation bypassing the barometric altimeter data) I still get bad info - such as being at 26000 feet when I'm riding along SF Bay.  They said I could swap it out but because it was a software issue, and from the tone of it an issue with the overall software not my device software, that they could not guarantee it would work on the device I got.  Made sense, so I just held onto my device.  But it has been months now and I've followed up and it seems that there is no progress.

So the question to you, do you have a 910 where the elevation data is collected and displayed properly?  If so, I'm thinking it is time to do the swap as that would indicate to me it is not a systemic problem, but rather a device problem.

-Tom



2013-06-03 10:22 AM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
My altitude is consistent ... typically lining up very well with what I know the elevation to be at my home, adjusting slightly for pressure changes. I always enable the correction when I log a workout.

I recently noticed a significant difference in Garmin's readings from MapMyRun's readings. After logging various routes on Garmin, MMR, and a few other sites, Garmin continues to be reliable. MMR, not so much.
2013-06-03 11:24 AM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
mine worked decent then stopped completely would show 0 no matter what. After working with gamin and giving them a bunch of information they requested they sent me a new one. It has been working for a few months now and seems to be ok however it always seems to be a tad high but O well.
2013-06-03 11:24 AM
in reply to: BernardDogs


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Subject: RE: Does anyone's Garmin 910 Elevation work?
I've been having trouble with my 910xt elevation data over the past 4-5 months. It used to be off slightly and I would use elevation corrections and it would always lower the elevation gain considerably (closer to what I expected it to be). Now, elevation activity is even wilder (much higher than expected) and when I choose elevation correction, the number actually goes up. I rode 54 miles with a friend this weekend. He was using his 310xt. He did forget to restart his watch for about 5 miles but we compared after downloading. His 310 showed 2000 ft gain and mine showed over 3300.
2013-06-03 12:59 PM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
I swapped mine out about a month ago. I think it is not a software issue but a device issue. Sure, it's a bit of a pain reconfiguring it but at least I have elevation data again.
2013-06-03 1:07 PM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
I had a same problem and got it swapped. Now it works.


2013-06-03 1:09 PM
in reply to: erik.norgaard

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Subject: RE: Does anyone's Garmin 910 Elevation work?
Mine use to be off a little but I went to a known elevation and set that into the watch and now it works like a champ.
2013-06-03 1:50 PM
in reply to: navbtcret

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Subject: RE: Does anyone's Garmin 910 Elevation work?
Ive had this same issue. For a few weeks the data always showed 26000ft. Now it is back down to only being off by about 200%. Im guessing there is something wrong with the barometer. I would contact support and send it in right now but Im in the middle of a bunch of races. I might send it off next month.
2013-06-03 2:08 PM
in reply to: BigDaddyD79

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Subject: RE: Does anyone's Garmin 910 Elevation work?
Originally posted by BigDaddyD79

Ive had this same issue. For a few weeks the data always showed 26000ft. Now it is back down to only being off by about 200%. Im guessing there is something wrong with the barometer. I would contact support and send it in right now but Im in the middle of a bunch of races. I might send it off next month.



They can send you one while you keep your existing one (you have to provide a credit card that they will charge, but will credit when you send in your old one). I did it this way and had no issues (they credited me within a few days of receiving the old watch).
2013-06-03 5:42 PM
in reply to: m2tx

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Subject: RE: Does anyone's Garmin 910 Elevation work?
Originally posted by m2tx

Originally posted by BigDaddyD79

Ive had this same issue. For a few weeks the data always showed 26000ft. Now it is back down to only being off by about 200%. Im guessing there is something wrong with the barometer. I would contact support and send it in right now but Im in the middle of a bunch of races. I might send it off next month.



They can send you one while you keep your existing one (you have to provide a credit card that they will charge, but will credit when you send in your old one). I did it this way and had no issues (they credited me within a few days of receiving the old watch).


Thanks good to know.
2013-06-03 8:48 PM
in reply to: BigDaddyD79

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Subject: RE: Does anyone's Garmin 910 Elevation work?

Thanks for the feedback everyone.  I'm going to get it swapped.  Sounds like it is a device specific issue, not a universal one.

-Tom



2013-06-03 10:38 PM
in reply to: TTom


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Subject: RE: Does anyone's Garmin 910 Elevation work?
My barometric altimeter on my 910xt has always worked.

What annoys me though is that the elevation correction function (based on GPS map coordinates and back-calculated) is now haywire for all my bikes and runs. The elevation correction for me USED to work amazingly well - way better than the altimeter. If I rode a course 5 times, elevation computed would be within 100 feet on a 5000 foot elevation ride, whereas now with the altimeter, the computation is haywire and ranges from 3000ft to 10000ft. Using the altimeter data is slightly better, but nowhere near the precision of the prior elevation correction.

Garmin was of no help explaining why the computed elevation correction suddenly started failing. I have multiple rides/runs from last year showing that it used to work fine, and the 'broke' with the last software update, even while using Garmin connect online.
2013-06-04 12:00 AM
in reply to: yazmaster

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Subject: RE: Does anyone's Garmin 910 Elevation work?
Originally posted by yazmaster My barometric altimeter on my 910xt has always worked. What annoys me though is that the elevation correction function (based on GPS map coordinates and back-calculated) is now haywire for all my bikes and runs. The elevation correction for me USED to work amazingly well - way better than the altimeter. If I rode a course 5 times, elevation computed would be within 100 feet on a 5000 foot elevation ride, whereas now with the altimeter, the computation is haywire and ranges from 3000ft to 10000ft. Using the altimeter data is slightly better, but nowhere near the precision of the prior elevation correction. Garmin was of no help explaining why the computed elevation correction suddenly started failing. I have multiple rides/runs from last year showing that it used to work fine, and the 'broke' with the last software update, even while using Garmin connect online.
Exactly my experience.  Worked fine, went in the crapper, no good explanation, no fix.  I'm just hoping a new unit will work based on the feedback above.  If not, all I've lost is my setup and that's not too big of a deal.
2013-08-02 8:48 AM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?

My elevation info is all over the board and I'm not sure exactly what to do about it, or if I even really care that much right now.  Most of my rides / runs start off at an elevation of 26,000 +/- a few 1,000.  I'm in Iowa.  This is certainly not right.  In fact I think my actual elevation is around 1,200 at my house.  When I "enable" elevation correction after the workout is uploaded, sometimes it gets fixed and other times is gets partially fixed.  For example, there was a workout that I did that said I had a gain of 43,793 feet in 40 miles over 2 hrs 14 min.  I know, I'm a stud.  Cool  After clicking on "enabled" it changed to 34,000 feet of gain.  If I'm lucky, I probably did about 2,200 feet of climb but nothing near this.

I'm sure there is an internal issue involved here and after reading the other posters, maybe I can pull in a new Garmin and maybe that will help.

That being said, I just called Garmin support.........    

 

"You can expect your call to be answered in 35-45 minutes".    ARE YOU FRICKN KIDDING ME?

 

2013-08-02 9:51 AM
in reply to: TTom


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Subject: RE: Does anyone's Garmin 910 Elevation work?
Nope, mine does not work.

That saddest part is that when I was using the far more old-school Garmin 305 (since discontinued), the elevation correction on Garmin Connect worked great. Like, really great. If I did a trail run multiple times, it was correct to 98%, every time.

Now, the Garmin Connect elevation correction is really bad, and I'm stuck with the barometric altimeter, which although improved from prior models, is still horrendously off. I do a very consistent ride with 5600 feet of climbing, and with the altimeter it comes in from 4000 to 6800. Totally unacceptable.
2013-08-02 10:23 AM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
I got my 910 a month ago. The elevation data was spot on for the first 2 weeks and has gone all over the place the last 2 weeks. My altitude is always correct but the overall elevation data for the activity is way off. Sometimes it's even worse when I click "Enable". I did the firmware update this week thinking that would help but it hasn't. To me it seems like it's not just an issue with the watch or its software, but also an issue with how Garmin Connect uploads the data.


2013-08-02 10:24 AM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
Mine does the same thing...after 2.8 was loaded onto it. I'm starting to get irritated and really angry at Garmin...they haven't had a solution for me yet after calling 3x.
2013-08-02 11:13 AM
in reply to: TTom

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Subject: RE: Does anyone's Garmin 910 Elevation work?
I got mine 18 months ago, and it has worked fairly well for me.

The absolute altitude values are a bit unreliable, e.g., if I'm at 1500' it might say that I'm at 1700'. But if I'm doing a bike climb that I know is 1000' and use the altimeter to track how far up the climb I am, it works really quite well. The after-the-fact altitude correction in Garmin Connect has always worked well for me.
2013-08-02 11:57 AM
in reply to: colinphillips

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Subject: RE: Does anyone's Garmin 910 Elevation work?
I've had my 910 for about 7 months, and the elevation started getting whacky about 2 months ago. Garmin told me to update to firmware 2.8, which I did last night.

Tried it out this AM and was surprised to see my run start at 35,000 feet. :^(

Calling Garmin again this week.
2013-08-02 12:59 PM
in reply to: Mike_D

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Subject: RE: Does anyone's Garmin 910 Elevation work?
On the back of the watch there are two little holes at the bottom right screw...clean those with soapy water and brush(like a toothbrush). Seems those get clogged with gunk from sweat , dirt, whatever. There was a post about this on Slowtwitch...worked for several folks.
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