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Don't forget to...

 
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matthewj
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PostPosted: Fri Nov 05, 2010 2:13 pm    Post subject: Don't forget to... Reply with quote

Had a horrible journey the other day. I set off at the normal time, which gave me a fair bit of leeway to get there in time. As I hit the motorway, the TomTom got the traffic info, and told me there was 37 mins delay. And that my time to arrival was 11.37. Yike - I'm supposed to be there at 11. I don't recall this being that different. Hopefully it will go down as people get to work. But it didn't. I got the the tail of a 32 minute delay, and as I pulled up to a dead stop, the delay changed to 48 minutes. And then the satnav said "there is a faster route, would you like to take it?" Too right, and I moved across the lanes to leave at the exit just a few hundred yards away. I drove along A roads and occasionally saw the motorway, still crawling.

As I got back onto the motorway, I checked where I was on the journey. About two hours to arrival, 60-odd miles to go. No, hang on, how can that be? What time is the satnav showing? Hmm. Oh poop.

Yes. When the clocks change, don't forget to change your satnav clock too. I got there with 15 mins to spare, quite comfortable, despite the delays.

/Matthew Jones/
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matthewj
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PostPosted: Mon Nov 08, 2010 10:36 am    Post subject: Reply with quote

I'm told in another place that most Garmin satnavs "know" when the daylight saving changes, and do it automatically. I can't see mention in the spec pages I've looked at that it is in the core of GPS, so it must be in software, which means it may be vulnerable to error when these things change.
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M8TJT
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Joined: Apr 04, 2006
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PostPosted: Mon Nov 08, 2010 11:33 am    Post subject: Reply with quote

Edited out as irrelevant Embarassed

Last edited by M8TJT on Mon Nov 08, 2010 4:35 pm; edited 1 time in total
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Andy_P
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Joined: Jun 04, 2005
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Location: West and Southwest London

PostPosted: Mon Nov 08, 2010 1:55 pm    Post subject: Reply with quote

M8TJT wrote:
The DST setting comes from a CE registry setting.


Not sure how that helps us on our TomToms?!?!

matthewj... The new G01000 and 1005 DO manage to update the time setting automatically. I can't imagine it would be that hard to implement in the software for the other models.
Come on TomTom!
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MaFt
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Joined: Aug 31, 2005
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Location: Bradford, West Yorkshire

PostPosted: Mon Nov 08, 2010 3:12 pm    Post subject: Reply with quote

Andy_P wrote:
The new G01000 and 1005 DO manage to update the time setting automatically. I can't imagine it would be that hard to implement in the software for the other models.
Come on TomTom!


perhaps they use the network / cell time from the vodafone connection rather than any actual software to calculate it?

MaFt
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Andy_P
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PostPosted: Mon Nov 08, 2010 3:45 pm    Post subject: Reply with quote

Nope... it's the GPS signal:

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MaFt
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PostPosted: Mon Nov 08, 2010 4:01 pm    Post subject: Reply with quote

fair enough Smile
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JoolsTwo
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Joined: Jan 05, 2009
Posts: 170
Location: Mid Sussex

PostPosted: Tue Nov 09, 2010 9:09 am    Post subject: Reply with quote

I set mine the other day and synchronised it with the satelite time, but noticed that satelite uses UTC (GMT) so obviously doesn't change to BST anyway.
_________________
TomTom ONE Series 30 (v8) & TMC traffic
App 8.010, UK & ROI Map v860.3126, TT Home 2.7.6.2056

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PaulB2005
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Joined: Jan 04, 2006
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PostPosted: Tue Nov 09, 2010 9:51 am    Post subject: Reply with quote

My 740 and that of a collegue at work didn't automatically go back an hour. Even though mine had 20 minutes of good signal to do it. I had to change the hour myself and then hit Save. If i didn't hit Save the sync button just put the hour forward again.
It appears it'll sync the minutes but not the hours which had to be set manually. This was the same when it went forward earlier this year.
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Andy_P
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PostPosted: Tue Nov 09, 2010 2:35 pm    Post subject: Reply with quote

Yup, the only ones to get it completely right are the 1000/1005.
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matthewj
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PostPosted: Tue Nov 09, 2010 2:50 pm    Post subject: Reply with quote

Sync will always take it to the "last remembered hour". I had this when I went to the USA. I arrived, and had to manually change the hour. Once saved, it knows that this is what you want to sync to. Good to know that they have it sorted in the future versions.
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