I had also read that some Tom Tom models can't even use the "ephemeris" data... The non-LIVE models like your (and my) XXL540 cannot receive the broadcast updates, so you need to connect your GPS to the Internet via the HOME2 program to receive the updates.A good rule of thumb is that you should connect at least weekly to get current data.Product datasheet Upgrade Price Guarantee Compatible with Windows 10, 8.1, 8, 7, Vista and XP, 32 Bit / 64 Bit Editions New language versions: Chinese - Lithuanian - Japanese - Polski - Romanian - Spanish - Czech Update Star is compatible with Windows platforms.Update Star has been tested to meet all of the technical requirements to be compatible with Windows 10, 8.1, Windows 8, Windows 7, Windows Vista, Windows Server 2003, 2008, and Windows XP, 32 bit and 64 bit editions.
I had also read that some Tom Tom models can't even use the "ephemeris" data... using it), but I don't ever recall my GO 720 taking more than about 30 seconds to "lock on" to a sufficient number of satellites once I get out of our underground parking garage. My wife has a Tom Tom that doesn't get sync'd very often and it sometimes take a minute and a half or longer to lock onto a signal.
Both he and I have been unable to update quickgps data for our watches via the latest pc version of mysports connect.
We have, however, found a work around by pairing our watches to our phones.
Update Star includes support for many languages such as English, German, French, Italian, Hungarian, Russian and many more.
You can choose your language settings from within the program.