Polar CS200 Oddity - Fixed!
- DavidH
- Posts: 346
- Joined: Mon Sep 03, 2007 10:54 am
- Location: Kaleen, ACT
Postby DavidH » Tue Sep 18, 2007 7:48 pm
Thanks to all that offered their advice.
Lesson learnt: wireless is nice but can be VERY sensitive when it comes to the placement of the computer and the sensors.
David
- europa
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- Location: southern end of Adelaide - home of hills, fixies and drop bears
Postby europa » Tue Sep 18, 2007 7:58 pm
That 'almost' happened on Sunday. I often ride through a tunnel under some railway lines. My computer has never given me a hassle through there. On sunday, it appears I managed a Doctor Who like effort of getting from one end to the other WHILE STATIONARY
At least the HRM insisted I was still alive
Richard
- Blybo
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- Location: Inner Eastern Subs, Melbourne
Postby Blybo » Wed Sep 19, 2007 9:38 am
So far the cadence is working well but I'm getting pauses in distance and speed (Doctor Who like Richard...). Because I'm on a front suspension MTB I have a huge gap between forks and spokes so I have positioned the sensor and magnet down near the hub where the gap is smallest and I can keep the sensor in a relatively aero position by facing forwards.
Would I be better to move the sensor up the forks and closer to the computer and twist the sensor inwards toward the spokes to get the 4mm distance from the magnet required?
Hope that makes sense
- europa
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Postby europa » Wed Sep 19, 2007 11:05 am
Richard
- Blybo
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Postby Blybo » Thu Sep 20, 2007 9:39 am
Moved the computer to the bars (not a great fit) and suddenly my commute in Melbourne's lovely rain this morning went from Tuesdays effort of 15.4 km to 16.3 km . The only beeps I heard were when stopped at lights and didn't notice any strange readings; although, as it was wet I was concentrating on the road more than usual. Now I just need bars that have a wider flat section to mount the thing properly
- europa
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Postby europa » Thu Sep 20, 2007 10:08 am
Oh yes, I know that feeling.Blybo wrote:Now I just need bars that have a wider flat section to mount the thing properly
Glad it was something simple, even if the cure isn't. I guess if they were to make the radio signals stronger or the unit more sensitive, you'd get all sorts of interference from riders next to you or from outside sources - there was a thread a while back about a railway station in Perth that caused constant consternation to cycling computers (nothin' like a bit of harmless alliteration with your morning coffee )
Richard
- Blybo
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Postby Blybo » Thu Sep 20, 2007 10:37 am
Does anybody have the computer mounted on the very top of the stem where it holds the bars and if so has it been reliable?
I guess it will only cost 5 minutes and 2 cable ties to find out. On a separate issue does anybody use the sonic link upload? I tried mine the other day but keep getting errors. Are there any other options to upload?
- europa
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- Joined: Sun Jul 16, 2006 10:51 am
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Postby europa » Thu Sep 20, 2007 11:18 am
I've only tried it once - to change the total kms covered, so it was going from desktop to computer. I found I needed to have the desktop sound turned up as loud as possible to make it work. The manual and the online instructions are useless. I haven't tried it going the other way, ie from the computer to the desktop.Blybo wrote: On a separate issue does anybody use the sonic link upload? I tried mine the other day but keep getting errors. Are there any other options to upload?
Richard
- Mulger bill
- Super Mod
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- Location: Sunbury Vic
Postby Mulger bill » Thu Sep 20, 2007 8:22 pm
Just wondering if you've got enough real estate beside the controls on your risers to mount the 'puter above the rise?Blybo wrote:Now I just need bars that have a wider flat section to mount the thing properly
Might be worth a look...
Shaun
London Boy 29/12/2011
- Blybo
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- Location: Inner Eastern Subs, Melbourne
Postby Blybo » Fri Sep 21, 2007 12:29 pm
The polar mount is very wide compared to other computers I've seen but MTB's/Flat bar roadies were probably never even considered in the design process. I bet this changes with the next evolution of the CS200
- Blybo
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- Location: Inner Eastern Subs, Melbourne
Postby Blybo » Mon Sep 24, 2007 11:31 am
- toolonglegs
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Postby toolonglegs » Mon Sep 24, 2007 11:48 am
No,other riders Polar dosen't mater to me,otherwise in a race where 50% of the riders have them I wouldn't know where i was.Wind also makes no difference to me.Blybo wrote:I seem to have the speed and cadence sorted now but do you guy's get more interference with the hrm in windy conditions or if a ride partner has a polar too? 75kms of useless hr read outs yesterday, this really doesn't help when downloading to the polar training site either
- Blybo
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- Location: Inner Eastern Subs, Melbourne
Postby Blybo » Mon Sep 24, 2007 1:29 pm
Funnily enough the ride partner is the missus and I got her a polar F11 for her birthday, hers was playing up yesterday at similar times to mine so that was why we though the wind may increase the range of electro magnetic interference. I rode parts of yesterday course with no problems/interference last week.
- europa
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Postby europa » Mon Sep 24, 2007 1:34 pm
I've heard reports of units upsetting each other. I find it a little hard to believe because I've seen how close I have to be to mine to get it to register, but distance and electronics are funny things so I'm guessing your wife's unit and yours were conflicting. I've seen some charts on which ones are coded (thus 'protected') and which ones aren't, can't remember where it was. Might have been on here so a search might produce some useful info.
Richard
- Blybo
- Posts: 1054
- Joined: Fri Sep 14, 2007 4:12 pm
- Location: Inner Eastern Subs, Melbourne
Postby Blybo » Mon Sep 24, 2007 4:08 pm
Both models are supposedly coded but this could be the problem. We both only need to get within a metre or so of the computer or watch respectively to pick up the sensor.
We went on a path next to Eastern Fwy (Melbourne) that is part of my commute and there has only been interference for me in this area once before when the northerlies were blowing, calmer days have been no problem. This is really annoying because my commute is next to the Eastern Fwy most of the way and I'll pissed if I get interference every time the wind gets up as it will more and more this time of year. On yesterday's 4 hour ride it said I was above my zone for about 1 hour 10 minutes, yet my head tells me I wouldn't have been above for more than 10-15 minutes on some hills as I was going at Rachel's pace (not the wife yet )
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