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(More customer reviews)Despite a large number of user and site reviews to the contrary I believe this item is let down by poor software design and quality. The Edge products are something of a 'hook' item in that they are sufficiently crippled out of the box to require subscription to online services or other products. Having used the unit for about 3000km now I think I can offer some addition perspective to what is already out there...
Don't get me wrong the concept of a GPS based cycle computer is great - I regularly and easily swap it between the bikes I frequently use without wires or calibration. The unit feature set is also pretty comprehensive, in fact one has to be quite judicious in display setup options so as not be overwhelmed by data. The GPS chip is plenty good for road, quick(ish) acquisition and tracking sufficient for speedo accuracy etc. With the good stuff out of the way...
But - and for me this is considerable but - the unit firmware is flakey (you will have to figure out how to do a soft reset as the unit will freeze up on you), and the Training Center software is even worse. Here come the hooks, for me (in NZ) the basemaps included for course planning are practically useless (though there is a way to create your basemaps own if you have the time and data), the cost of correcting this the Garmin way is horrendous [h1]. A great alternative, however exists in MapMyRide (though you don't get to insert course waypoints). But you still have to resolve the following...
Getting data in and out of the unit becomes more problematic over time, in fact I have installed Training Center on 3 separate PCs (all of the XP variety) and all of them stopped receiving data from the GPS with an error sooner or later. Sometimes they would receive sometimes they wouldn't - final resolution was a complete uninstall (AND manual user dir delete). The alternative is use of the MotionBased site, (2) though paid subscription is required [h2] for a full suite of services. An alternative exists again in the form of SportTracks, a great donorware piece of software (no affiliation).
Other minor gripes include the usual - HRM interference, at times poor barometric related elevation performance - especially in the wet [don't even think about it in heavy rain]. GPS related gripes - the Course following option is a little flakey if created via software as opposed to ride history. Lapped or complex courses (retracing sections) also problematic - a moving snake option highlighting the current, say 1km, section of the course would alleviate this somewhat though. Finally you'd think you would be able to 1. insert an autolap point on a course *before* you rode it (like a lapping waypoint), and 2. insert more than one autolap points. But no, you cannot achieve either of these with the 305 Edge.
In summary, yes the Edge 305 is full featured and bloody convenient for multiple bikes. After you get the unit turned on, the on bike features even work pretty well. The great letdown comes when you want to download, analyse and share all that data you collected out on the road, or heaven forbid do some planning before you hit the road to take advantage of a GPS platform. If you are prepared for multiple workarounds on the SW side of things the Edge 305 is still a great option, if not its power (and potential) is wasted and you'd be better off with a Polar or similar speedo.
Edge 305 Firmware 3.20
Training Center Version 3.2.3
Hope this helps.
Ron
ps. I wouldn't even think of dropping money on an Edge 605/705 until these SW issues are sorted. More bug testers and actual cyclists involved in the next edition please Garmin.
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Garmin Edge 305 Waterproof Cycling GPS With Heart Rate MonitorWhether you're prepping for your next century ride or want a more accurate way to measure your performance on the trails, take your training to the edge with the Garmin Edge 305HR GPS-enabled Personal Trainer and Cycle Computer. The Edge 305HR is easy to use, requires no calibration, and features customizable screens and data fields to meet your needs. Measuring speed, distance, time, calories burned, altitude, climb, descent, and more, the Edge 305HR will help you to always know where you are and how far you've gone.
With a built-in barometric altimeter and heart rate monitor, the Edge 305HR goes a step beyond its little brother--the Edge 205. The altimeter delivers extremely accurate elevation readings, and a chest strap monitor sends your heart rate data to the 305HR via a robust wireless transmission. In addition, the 305HR is compatible with the Garmin Speed/Cadence Sensor. This optional, self-calibrating wireless sensor attaches to your bike's rear chain stay and delivers speed and pace data while you train.
The Edge 305HR couldn't be easier to use. Simply take it out of the box, snap it into the included bike mount, and hit the road. The high-sensitivity GPS receiver knows your position in tree cover and canyons, making the Edge 305HR an extremely reliable navigation device. And with the customizable cycle computer, you can select from up to eight different data fields for continuous feedback. Garmin goes well beyond typical cycle computers by integrating GPS technology for basic navigation. In addition, the Edge 305HR gives you the ability to overlay your ride data onto a course map and even "race" a virtual partner, making your training fun while helping to push you toward your goals.
The included PC-based Training Center software gives you the tools to create workouts, manage and download courses, and create a detailed post-ride analysis that charts your performance and measures your speed, distance, climb, descent, and heart rate data against varying terrain, elevation, and more. And with the Edge 305HR 's built-in USB interface, it's quick and easy to upload and download information.
The virtual partner screen depicts a digital cyclist (representing your desired speed) in relation to your real-time speed. From this set of data the icons will show how far ahead or behind you are from your digital competitor. The Courses feature allows you to race against a recorded course to try and match previously set speeds at every point along the way.
Training in urban areas can be tricky, and undesirable traffic can skew training data. To help remedy this problem, Garmin has included an auto-pause function that pauses the training timer when you slow down below a specified speed and resumes when you speed up again so you can focus on your ride, not on your data collection. And with the auto lap function, this smart little device automatically triggers a lap every time you pass a specified location or travel a preset distance.
With its sleek, waterproof design (the Edge 305HR meets IEC 60529 IPX7 standards, which means that its components can be submerged in one meter of water for 30 minutes), the 305HR is the perfect companion on any bike, and it attaches to either the stem or handlebars. This lightweight device (88 grams) is powered by an 800mAh rechargeable lithium-ion battery and delivers an average of 12 hours of use per charge. The rugged case frames an easy-to-read, large, backlit display that makes it a breeze to view the data fields. So whether you're racing against your virtual partner, fighting to shave precious seconds off your old record, or training for the next big race, the Edge 305HR will help to monitor your progress and make you a better cyclist.
What's in the Box Edge 305 with heart rate monitor, bike mount, Training Center CD, A/C charger, USB PC interface cable, Quick reference guide, and owner's manual.

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