Fall Back (Tomtom Go Clock)

ZZBeard · Posted: Fri Nov 05, 2004 11:03 am Post subject: Not a bug, but..?

Sure it's easy to reset the hours back one, but the question one might then ask is:

If you adjust the time manually, does that prevent or continue to allow the TTG's clock to be continuously "synced" with UTC from the sats? I guess that's one for TT Support...

David

nej · Posted: Fri Nov 05, 2004 11:58 am Post subject:

The way that TomTom Navigator does it on the PPC (as far as I can tell) is that it simple adjusts the GPS time (UTC + 13 seconds - well done for paying attention Lutz!) for your local timezone. I would presume that GO does it the same way. This can be demonstrated by simply planning a route. Your arrival time and the current time are shown as correct for your timezone, however if you look at the GPS Status screen that will show GPS time.

icsys · Posted: Fri Nov 05, 2004 12:20 pm Post subject:

Life should be a lot easier for the next six months now that we are back in GMT Thumbs Up

_________________
Ian.
iPAQ 2210 | Navman 4100 BT Receiver
Navman iCN 635
TomTom GO
Anquet OS mapping

ZZBeard

I live in the UK, and the current timezone is GMT +0, otherwise now known as UTC (Universal Time, Co-ordinated). On the GPS status screen of my TomTomGo at this moment, the little rolling time digits on the top right above the satellite map says 11:47:XX UTC and the little cross thing is clicking round the seconds. Above that is a green banner with the "TomTomGo" time on it. Before displaying the GPS Status screen I had just pressed Set Clock > Sync, and it says now 12:47.

This is an hour ahead of my timezone, and an hour ahead of the indicated UTC. So it does seem that the device defaults to the European UTC+1 time zone. Now I will set the time back one hour and forget about it until the end of March!

David

Sniff · Posted: Fri Nov 05, 2004 1:03 pm Post subject:

carl_w · Lifetime Member Joined: Mar 13, 2004 Posts: 242

BoxsterBoy · Occasional Visitor Joined: May 31, 2004 Posts: 33

I never thought time could be this complex!

So what we need Tomtom to do (after sending me my case and upgrading my map to 390) is to give the user the option to automatically sync to UTC +/- a user definable amount.

sitrap · Posted: Wed Jan 25, 2006 12:12 pm Post subject:

I sent an enquiry to TomTom about the sync option, as I have noticed it doesn't synchronise the seconds. I do not subscribe to the 14 seconds out from GMT/UTC theory, as if you check your satelite time against the greenwich time signal - its spot on. (Never use a dab radio for this - there's a time delay). So I want my TomTom to sync, to the second, with the satelite time - I can always set the hour back afterwards - it's the seconds I'm more interested in - anyways this is the question to TomTom -

Skippy · Posted: Wed Jan 25, 2006 3:57 pm Post subject:

JLee · Posted: Wed Jan 25, 2006 4:01 pm Post subject:

Mine too shows the correct UTC time in the 'Configure GPS' screen but when I then sync it goes 1 hour forward. Though I live in the UK I bought the unit from Amsterdam Airport and was told it was a Swiss model. So I wonder if it does have some central timezone setting that we can't see?

Anyway another strange thing is that after pressing sync I hit the arrow below the hour to roll back one hour and this worked but it also rolled the minutes back by one minute. Very strange!

sitrap · Posted: Wed Jan 25, 2006 4:15 pm Post subject:

Tim Buxton · Posted: Wed Jan 25, 2006 4:20 pm Post subject:

TomTom sync the RIDER to UTC +1. That way, mainland Europe is correct for half the year, and the British Isles (and Portugal, I think?) are correct for half the year.

I have also noticed the 'Minutes' jump by one as well, though.
_________________
Tim

Skippy · Posted: Wed Jan 25, 2006 4:28 pm Post subject:

sitrap · Posted: Wed Jan 25, 2006 4:37 pm Post subject:

If you look at the website pointed to by carl_w above, you will be that UTC DOES=GMT, and does = GPS time.

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