Garmin Forerunner 305 User Manual page 6

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Most Helpful Customer Reviews
792 of 799 people found the following review helpful:
Excellent workout tool, May 3, 2006
By PAZMAN
This review is from:
I like this thing quite a lot. I've had it for about three weeks, and have used it
on 12 workouts so far. I use it primarily for running, with biking a secondary
usage. The main reason I wanted it was for the instantaneous readout of
distance, running pace and heart rate, the latter needed for the speed work I
want to do this running season.
The core functionality (distance and heart rate monitoring) works perfectly.
There's none of the signal drops I've had with other heart monitors. Once the
satellites are initially acquired, I've only had one dropout when I was outside.
The initial acquisition of the satellites can be quirky and can take some time.
The accuracy (according to the readout) is +/- 25ft, depending on how many
satellites can be found. I've compared the distance measurement on the GPS
with a known, measured distance on one of the trails I run on (the Chicago
lakefront path). The GPS always increments a mile when I'm within 5 or 10 feet
of the mile marker sign on the path. Well, I guess that's the least I should
expect from a $350 GPS unit! Of course it's bigger than a normal running
stopwatch, but that hasn't bothered me at all. The heart rate strap is also very
comfortable and well-designed.
The display is crisp and has one outstanding feature: The information presented
on the various pages can be completely user-customized. The default screen
layout is rather poor, but in just a few steps I could replace it with the
information I wanted to see while I run. There are almost 40 different data fields
you can choose from for display. Examples: current pace, average lap pace,
average run pace, heartrate, distance.
The only disappointment is the point-in-time (instantaneous) pace
measurement: It varies wildly during a run. I see swings as big as +/- 3
minutes/mile. I'm a marathoner and I know my pace is fairly consistent during a
run. I just looked at my run today, and according to the data the first mile
varied from 5:57/mile to 12:06 mile. I suspect the problem is either in the
averaging algorithm (too short a distance?), or in the uncertainty that results
from different satellites coming in and out of view. The variations seem to get
worse under tree cover compared with an open area. Luckily there's a
lap-average pace that can be presented, and at least that value is useful and
more accurate. The bottom line is that you can't look at the watch and say "right
now I'm running 9 mins/mile". There is the ability to specify a pace smoothing
factor, but I have it maxed out and still see the variations. The elevation
readout also seems inaccurate, but that isn't important to me.
Upload of workout data to the PC software (Training Center) is transparent. The
PC software is very good for presenting time/distance/pace/heartrate/calorie
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(Chicago, IL United States) -
Garmin Forerunner 305 GPS Receiver With Heart Rate Monitor (Electronics)
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A D V E R T I S E M E N T
Most Recent Customer Reviews
Garmin Forerunner 305 For
Bicycle Use
Although the Forerunner 305 is advertised
as more for runners, I purchased it primarily
for use on my bicycles.
Published 2 hours ago by Traveler
Garmin Forerunner is great
I have had great luck with most Garmin
products. I dont see the need to spend twice
as much money to buy the next model up,
when I only wear it for running.
Published 1 day ago by Turkman
good product
I am able to keep track of where my heart
rate is while developing a customized
outdoor exercise program to fit my health
needs.
Published 1 day ago by widefootmom
Exactly what I needed
I am training for my first 1/2 marathon and
needed a way to watch my training progress
and stay on track for the big day.
Read more
Published 4 days ago by Jeffrey Noel
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