Question about Garmin Forerunner 305 GPS Receiver

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My Garmin 305 wont record calories when I'm in the Gym. I select the "Other" sport mode, the little guy skiing, and It doesn't recored or even register calories? It records during my Jog sessions while using GPS but not during my indoor workouts? Anyone have any clues?

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Re: My Garmin 305 wont record calories when I'm in the...

The 305 uses distance to calculate calories. They sell a "foot pod" that you can use indoors, and that will count your calories by calculating the distance you have traveled. The problem however, is that using distance to calculate calories is so inaccurate! The calorie count that the 305 provides is almost always WAY too high. Other heart rate monitors use heart rate to calculate calories burned, and it is a much more accurate measure. My garmin thinks i burned 700 calories an hour today while i was snowboarding, and, while that would be nice, there is NO way it's true!!

Posted on Dec 30, 2008

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Re: My Garmin 305 wont record calories when I'm in the...

I have similar problem, looking online now to see if there is a fix or whether it's just when GPS mode is on. Will drop a note to Garmin or call, and hope to get an answer.

Posted on Aug 19, 2008

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My gramin forrunner 305 sudenly doesn´t turn on what should I do

Use reset procedure as indicated in Garmin book or support center (hold reset plus mode buttons for 10 sec on charger, then wait 10 other secs, then start again, all this connected to PC.

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I find my Garmin 305 is a slug to locate and lock on. But if I pull it off the charger just before I go for a run it locks on all most immediately. Give it a try and let me know if it works.

Jan 19, 2010 | Garmin Forerunner 305 GPS Receiver

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Garmin Forerunner 305 miscalculating ascent and calories

Firstly, the ascent and descent are only approximate, and can be very approximate! This is because it's using GPS to calculate your height above sea level when GPS is really only accurate for position Lat and Long. When calculating height, a very, very small error can lead to a large variation in actual height. You should never use a GPS for height if needed for navigation (ie climbing walking etc) If you need accuaracy you will need to get a barometric altimeter.v

As for calories, I think you have identified your problem, it's calculating calories on running not cycling. Not sure what the answer is as I don't know what software you are using but if you are using Garmin TC, bin it and use SportTracks. Takes a bit of getting used to but to really get the best out of your 305 this is excellent software and it's free. Any anomolies like your calorie issue/wrong category import can be changed manually plus a whole host of other stuff. Garmin doesn't even let you edit activities - crazy.

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Garmin 305 is off and wont come back on.

You have to soft reset it first, and if not solving, then try hard reset.

Soft reset : hold lap/reset with mode key for some seconds
Hard reset : hols start and mode, then pulse on lap/reset.

after soft reset hold on/off for up to ten seconds before it starts.
after hard reset all data are lost

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The above link no longer works.
But this one does (for now):

I made this surgery and it now works great.

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Awesome! MODE + RESET works!

I woke up this morning and found I had a charger death again. It happened two years ago, and I couldn't remember what I did to fix it then.

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Garmin Forerunner 305 usb cable won't be read

The problem is probably not with the USB cable if the GPS wont even turn on. The older firmware of the Forerunner 205 and 305 have a problem with locking up. This causes the Forerunner to look completely dead. There is a reset procedure: push the mode and reset button at the same time and then let go and hit the power on button. If it powers on that is the problem. Go to the Garmin site and load the newest rev. of firmware into the Forerunner. Fixed mine and a few friends with the same problem.

I do however have a cable problem. Sometimes my PC will come up with unrecognized USB device and my 305 wont talk to the PC, it does charge. It is the cable or dock for sure, because I have tried a different cable/dock and the 305 has no problem. This is the reason I ended up here. I hope the lock fix works for those with the above problem.

Dec 16, 2007 | Garmin Forerunner 305 GPS Receiver

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