On Sun, 05 Jun 2016 10:31:29 +0100, The Natural Philosopher wrote:

I can set the car to 'beep' when a certain speed is reached, and that
suits me better. Conveniently it's not loud enough to wake SWMBO.

I believe modern satnavs can do this and 'know' what (nearly) all the
speed limits are...

Only use I have come up with for satnavs so far..

Mine uses a combination of satnav and image recognition of speed limit
signs.



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