Suunto 7 Altitude Issues
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@freeheeler I can assure you that I am not crazy
On this screenshot the first walk to the turning point and back was with the watch on my left wrist. Then I shifted the watch to my right wrist and took the same walk. All the time with a stable altitude. Then I held the watch in my hand and that’s when the ascent starts. Then I put the watch back on my left wrist and you can see a sharp descent, then a slight ascent and then a stable altitude as I walked to the turning point and back. And finally I once again held the watch in my hand and walked and you can see another ascent.
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@mff73 said in Suunto 7 Altitude Issues:
@aleksander-h
your balcony altitude values doesn’t looks good and not coming from a baro sensor. are you sure you have a S7baro ?
or some wind during the test ?Doing a new test now with the watch in a box with ventilation holes. That should protect it from any wind.
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Still a bumpy ride it seems, despite protecting it from wind.
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@aleksander-h
let me do some testing with my wife’s S7 and my S9B tonight. I’ll post it here -
@freeheeler much appreciated
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@aleksander-h I also tried to leave my Suunto 7 on the balcony for 15 minutes. It was quite windy outside 4-8 m/s. The correct altitude should be around 80 meters. I left the watch in a box without a lid. The result is very different from yours, but still just as bad.
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@aeroild I’d say yours is worse!
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@aleksander-h Yeah, but the strange thing is that it worked well on my run earlier today.
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@aleksander-h
this is what S7 and S9 did stationary on the balcony for 17 minutes.
S7 is red, S9 is green
S7 is darker green, S9 is yellowish-green (Edit: I know from Dimitrios, that temperature drop can affect the altitude to some extend)
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@freeheeler so the S7 stayed within 2 meters during those 17 min. Quite a bit better than mine then. I’ll test again tomorrow in case the weather was some how affecting things.
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@isazi Hi, thanks for reply, app version is 2.1.0 (8785) on ios 12.5.1 iPhone 6… and 0m is on Trail Running, Walking or Trekking activities. Also It happened few days ago when I was walking uphill - S7 started to decrease altitude…I was up around 40+ m and on the watch was shown something like -18 m…
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@mikulass the 0 meters issue will be fixed, from what we read today in the forum, with the next software update.
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@aleksander-h Hi, thanks pointing the other thread, yes this is my case… and as @ISAZI pointed I see the graph
with ascent, but summary “table” shows Ascent 0m 
…(apologize don’t know how to resize pictures in forum online editor)… -
@isazi Hi, great thanks for info. It will be mobile app update or S7 sw update?
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@mikulass I think it’s the S7 update, seems to be a watch issue.
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@isazi Thanks. And is there any date for this update already confirmed or early estimate? Thanks.
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@mikulass well. There tends to be about 4 updates a year and last update was second week of January (I think). So hopefully soon-ish.
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So did a new 1 hours test in a ventilated plastic container on the balcony today (to protect from wind).
Still a bumpy ride for the elevation. At one point it falls 5 meters and then relatively quickly makes a 10 meter jump, followed by a slow recovery down at the end there.
Not really sure what to do now (if anything). Not really sure how stable a result I can reasonably expect from a watch.
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@aleksander-h
I would contact support and check with them. -
@aleksander-h I guess the question is how the altimeter works during an exercise given that the 0 meter ascent bug will be fixed in the next update. As you could see from my balcony test, my watch went crazy when I left it on the balcony, but when strapped on my wrist it’s working okay at the moment. And I did buy it to wear it on my wrist and not to leave it on my balcony.
