710 road speeds - please tell me you can turn them off!!

DennisN · Posted: Thu Nov 30, 2006 9:52 am Post subject:

When I downloaded the new map for my GO700, it didn't download any new software, so I thought I'd got away without the dreaded speed limits. I did a very small demo route (to Home, which is set just round the corner) and it didn't show speed limits so I felt hopeful. When I set off for Liverpool yesterday it didn't show any either. But sadly, when I reached the first motorway, there they were. Presumably this feature was incorporated into v6 software and only needed the map info to use it. I don't think I've got a backup as old as v5.44, so I can't try that.

I shall wait with baited breath to see how Andy gets on (I'd be very tempted to simply do a backup to 5.44, then copy my new map folder into it and see how it went). Back in the days of Windows 3.1 I used to be clever at some of these things, but since then I've had to rely on the brains of this world, like Andy. Not Worthy

I could forgive TT for this very easily - if only they'd allow us to disable the speed limit and still keep the speed showing. They really should have done this - after all, any new feature is often a bit dodgy, so having this optionally available, even though not dead good, allows for it to be improved with time into becoming a damned good selling factor. As it is, it's getting nowt but bad publicity for them.

Nevertheless, it's difficult to believe the huge number of roads map info could ever get good enough to be satisfactory on this one (but you never know - I presume PGPSW cameras were "less than perfect" when they first started up, back in the dim and distant past and look how brilliant they are today - nearly 500 mile triangle yesterday, Bristol, Liverpool, London and back, the only errors were as already reported and I know are in progress, full marks).
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Dennis

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Andy_P · Posted: Thu Nov 30, 2006 1:27 pm Post subject:

DennisN · Posted: Thu Nov 30, 2006 8:01 pm Post subject:

mossman · Regular Visitor Joined: Dec 21, 2005 Posts: 90

I can't see what the problem is here - surely you can just ignore the red bit if you want to? You are not forced to look at it (and note its vale) are you?

DennisN · Posted: Thu Nov 30, 2006 10:19 pm Post subject:

bigfatgoalie · Occasional Visitor Joined: Nov 23, 2006 Posts: 10

Not forced to look at it but when you glance down and see it screaming red your instant reaction is *I'M SPEEDING!!!! oh.... no im not, phew!*

Its noce to see the speed limit there because it is more quickly understood and interpreted than the speed dial, plus its at a better position so you have to take your eyes of the road for less time than if you checked your speedo.

Not asking for much, just to disable the feature of red flashing, just until they get their act together and use some up to date data!

Again, just to note does anyone find inconsistencies between what tomtom says for speed and the speedo??

DennisN · Posted: Fri Dec 01, 2006 6:50 pm Post subject:

Andy_P · Posted: Fri Dec 01, 2006 9:48 pm Post subject:

Re: speedos, Dennis is correct, the TomTom is very accurate, so long as you are travelling at a steady speed in a reasonably straight line (it updates quite slowly so doesn't handle sudden acceleration or braking well).

By law, normal car speedos are allowed to be upto 10% inaccurate, BUT ONLY IN ONE DIRECTION - they are not allowed to underread at all. This means that, like the old Baker's Dozen, the manufacturers almost always make them so they read between 5 and 10% fast.

bigfatgoalie · Occasional Visitor Joined: Nov 23, 2006 Posts: 10

Yeah absolutely, they dont want the grief and so calibrate them up a bit so they say you are faster than you actually are, I get ya.

My tomtom says about 66 or 67 when im going 70.

At a slight tangent what do speed cameras go off at then? 77 for a 70 limit? i.e. because manufacturers are allowed to be 10% out I would imagine a speed camera can only clock you at 78+ since anything lower, e.g. 75 you could use the possible manufaturer inaccuracy as a defence?

RDS · Regular Visitor Joined: Jul 09, 2006 Posts: 242

The ACPO (Association of Chief Police Officers) website has a table which recommends that a 10%+2 mph formula is used for when action should be taken i.e. speed limit 40mph, action should be taken when 46mph is reached.Or speed limit 70mph, action should be taken when 79mph is reached.
Note it also says that 'This guidance does not and cannot replace the police officer's discretion and they may decide to issue a summons or a fixed penalty notice in respect of offences committed at speeds lower than those set out in the table.'

I presume the formula has been produced to take into account possible inaccuracies in both car speedometers and the actual measuring equipment itself.

Andy_P · Posted: Sat Dec 02, 2006 12:37 pm Post subject:

....but I don't think there is any direct correlation between that guidance and the speed the cameras are set to trigger at.
Remember, for Gatsos, getting flashed is not the same as getting caught. They only use the TWO photos and the road markings to work out your actual speed.

Tumbleweed · Frequent Visitor Joined: Aug 30, 2004 Posts: 315

Skippy · Posted: Sat Dec 02, 2006 8:41 pm Post subject:

Rowan29a · Posted: Wed Dec 06, 2006 10:55 pm Post subject: Speed Warnings

I hope I am wrong in thinking this but now that I have TTN6 and the latest maps on my PDA will I now get erroneous speed warnings eg 60mph in a 70 mph zone or does the problem only happen with the Tom Tom SatNavs themselves.

I get to play with the new App and software for the first time over this weekend and it would be nice to know what I can expect.......... Rolling Eyes

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DennisN · Posted: Wed Dec 06, 2006 11:16 pm Post subject: Re: Speed Warnings

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