Tag Archives: operating temperature

Coros Vertix, $599, With NO Built-In Maps, Is A Joke & No Competition, Whatsoever, Even To A Garmin 5!

by Anura Guruge

I have a bit of spare time on my hand — for a RARE (bloody) treat. So, I am gainfully using it to see what is new on the smartwatch front.

I started by looking at Coros — which is trying hard to be a Garmin competitor.

I looked at their latest — the $599 Vertix.

I was struck fairly early on that its working temp. does not go below -20°C (-4°F). That is NOT good. In my youth I used to ski in -20°F up here in New Hampshire. -4°F is not uncommon in a normal February in New Hampshire. So, that had my antenna up.

They make a BIG DEAL about breadcrumb navigation. So, I looked into that. Then I discovered that breadcrumb trails have to be MANUALLY loaded in. Did more digging. NO MAPS.


No built-in topo maps? Ah?

I didn’t believe my eyes.

So, I joined the Facebook Coros group and asked. Yes, I was right.

No maps.

No THANK YOU. I am not going to bother looking at Coros anymore. What a JOKE.

$599. Hilarious. What clowns.

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by Anura Guruge

The Garmin Forerunner 645 Tolerates The Cold Much Better Than The Fitbit Ionic.

by Anura Guruge

Click images to ENLARGE.

I got the Operating Temperatures for the new Garmin Forerunner 645 directly from Garmin — by posing the question on Amazon and getting the answer from the ‘manufacturer‘, i.e., Garmin. See above.

The Forerunner 645 low temperature range is ACCEPTABLE — especially since I have my own +5°F (-15°c) cut-off for running in the cold.

So, this is another BIG plus for the Garmin Forerunner 645. It really looks like a pretty decent ruggedized watch.

The Fitbit Ionic is really NOT suited for use in cold climes such as New Hampshire.

Intrigued by Garmin recommendation that it is best to have a fully charged battery prior to cold weather outings. I guess that is partly because the battery will drain faster in the cold.

So, this was good to know.

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by Anura Guruge

Fitbit Ionic Not Suited For Use In Cold Weather — e.g., New Hampshire Winter!

by Anura Guruge

Click images to ENLARGE.

From page 65 of the Fitbit Ionic User Manual. Check it out. CLICK TO ENLARGE.

So, I did NOT dare take it out this morning when the temperature was 5.5F. This is BAD.

If you do NOT believe me, check it out. It is in the “User Manual“. Click icon (→) to access it online from Fitbit.com/support.

I happened to see it when I was reading the manual, cover-to-cover, AFTER I had asked “Heart Rate Monitors USA” (HRM USA) to send me a Fitbit Ionic in place of my defective, 48-day old Garmin Vivoactive 3. At that point I was kind of resigned.

But, this is NOT acceptable.

This morning it was 5.5°F. That means that IF I wore it, it would not record my activity. That is pretty pathetic.

14°F is NOT that cold for Northern USA. So, this is unacceptable.

I wonder how many people know.

Once I saw those temp. ranges I wasn’t even going to RISK taking it out. I just don’t have the time or energy to handle yet another RETURN.

You know the crazy thing. I don’t think I have ever seen a temperature range for the Vivoactive 3. Yes, there must me BUT I don’t think it is in their User Manual. I did a quick check yesterday. Maybe this is why my 2nd Vivoactive 3 stopped working properly. Because I had been using it in cold weather.

Well, this is a HEADS UP.

Be careful.

The 30,000′ elevation is also inadequate. So, when I am flying it is NOT going to register my heart rate or all the steps I take walking up and down the aisle. Very strange. Very strange that people have NOT been complaining about this.

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by Anura Guruge