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young-goat
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Joined: Jun 27, 2006
Posts: 160
Location: London, UK
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 Posted: Fri Jan 14, 2011 4:40 am Post subject: GO 530 overspeed warnings |
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I have my GO 530 set to warn me when I am over the speed limit but sometimes it is very slow/late to go off ! For instance, it might not sound an alarm until I'm doing about 38 mph in a 30mph zone.
Whereas Tripmaster 2.5 (which I have in use simultaneously) on my old GO 500 reacts immediately !
Is there any way to speed up it's reaction time ? Maybe by deleting or disabling other functions ? |
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Oldboy
Pocket GPS Moderator
Joined: Dec 08, 2004
Posts: 10642
Location: Suffolk, UK
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| Posted: Fri Jan 14, 2011 8:07 am Post subject: |
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My understanding was that it triggers at 5mph over the limit. I never use the function, because the speed limit data appears to be so inaccurate at times.
I don't know if there is a built-in time delay.
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Richard
TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1120 |
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Anita
Pocket GPS Moderator
Joined: Mar 15, 2006
Posts: 3219
Location: Windlesham, Surrey
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| Posted: Fri Jan 14, 2011 9:22 am Post subject: Re: GO 530 overspeed warnings |
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| young-goat wrote: | | For instance, it might not sound an alarm until I'm doing about 38 mph in a 30mph zone. |
As Oldboy says, it triggers at 5mph over the limit, but most speedometers over read by around 10%, so 38mph on the speedo is probably a true speed of 35mph, and is the speed registered by your satnav.
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Anita
TomTom VIA 135 - App 12.075
UK map 1130.12368
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M8TJT
The Other Tired Old Man
Joined: Apr 04, 2006
Posts: 10118
Location: Bexhill, South Sussex, UK
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| Posted: Fri Jan 14, 2011 10:09 am Post subject: Re: GO 530 overspeed warnings |
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| Anita wrote: | | but most speedometers over read by around 10%, so 38mph on the speedo is probably a true speed of 35mph, and is the speed registered by your satnav. |
Which is below the 10% +2mph that rumour has it that speed cams are set to  |
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Guivre46
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Joined: Apr 14, 2010
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Location: West London
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| Posted: Fri Jan 14, 2011 1:27 pm Post subject: |
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If you set the status bar to 'show speed next to the speed limit', you will see that it triggers about 4mph above the limit, but it does take a while to speak up, I'd guess about 200 yards.
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Mike R [aka Wyvern46]
Go 530T - unsupported
Go550 Live [not renewed]
Kia In-dash Tomtom |
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Andy_P
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Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London
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| Posted: Fri Jan 14, 2011 6:30 pm Post subject: |
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| Guivre46 wrote: | | ....you will see that it triggers about 4mph above the limit |
It's different for different models and software versions too. |
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young-goat
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Joined: Jun 27, 2006
Posts: 160
Location: London, UK
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| Posted: Fri Jan 14, 2011 7:49 pm Post subject: |
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My comparisons are NOT with the vehicle speedometer but with the display from Tripmaster which is on my other satnav (my old Go 500)
BTW, The same problem exists on that one too ! The Tom Tom warning is much slower/later than the Tripmaster warning. |
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Andy_P
Pocket GPS Moderator
Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London
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| Posted: Fri Jan 14, 2011 7:55 pm Post subject: |
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| Nothing you can do, I'm afraid. Live with it, or turn it off. |
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DennisN
Tired Old Man
Joined: Feb 27, 2006
Posts: 14893
Location: Keynsham
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| Posted: Fri Jan 14, 2011 9:55 pm Post subject: |
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| Andy_P wrote: | | Guivre46 wrote: | | ....you will see that it triggers about 4mph above the limit |
It's different for different models and software versions too. |
Yes - my Carminat TomTom (built in) goes off immediately the vehicle goes over the limit by as little as 1mph. PS - for all those who are about to jump on me because I say I don't speed, I discovered this when entering a changed speed limit area where the TT is wrong (e.g. 40mph over the Severn Bridge motorway - thank you MapShare verified by TT, incorporated in map 860).
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Dennis
If it tastes good - it's fattening.
Two of them are obesiting!! |
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Oldboy
Pocket GPS Moderator
Joined: Dec 08, 2004
Posts: 10642
Location: Suffolk, UK
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| Posted: Sat Jan 15, 2011 8:02 am Post subject: |
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| DennisN wrote: | | .... I discovered this when entering a changed speed limit area where the TT is wrong ..... |
Which is why I don't use the function.
I prefer the alternative - the mk1 eyeball. 
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Richard
TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1120 |
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JimmyTheHand
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Joined: Apr 16, 2005
Posts: 386
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| Posted: Sat Jan 15, 2011 10:33 am Post subject: |
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| Oldboy wrote: | | DennisN wrote: | | .... I discovered this when entering a changed speed limit area where the TT is wrong ..... |
Which is why I don't use the function.
I prefer the alternative - the mk1 eyeball. |
I suspect with evolution it is mk 1,000,000+ eyeball ;) - personally I use tomtom as a backup for when eyeball missed speed limit sign because signs overgrown/concentrating on where pedestrians were etc. when on unfamiliar roads
OP: - I find it triggers at about 4 miles over limit - but it takes time to respond, so often I am already slowing down by time it triggers when I over take so I think there must be a delay as well as a tolerance[/i]
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MrT
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| Posted: Sat Jan 15, 2011 11:09 am Post subject: |
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Don't forget there are the two overlimit options, wanr when over the speed for the road and also there is warn when over a certain settable speed. If these happen to be similar say around 75 mph it can get very noisy whilst driving.
I also remeber my old TT turning the map display off above a certain set speed and I am not sure that that is still a function.
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Andy_P
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Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London
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| Posted: Sat Jan 15, 2011 7:29 pm Post subject: |
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| MrT wrote: |
I also remeber my old TT turning the map display off above a certain set speed and I am not sure that that is still a function. |
Yes, I never understood that particular "safety feature".
I guess the thinking was that it was to stop you being distracted by the map when travelling fast, but all that happened was the sudden disappearance of the map was FAR more likely to distract you!  |
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