Inspired by Pottsy's post here
Radio problems on the radio reception thread, I found some other neat little feature I thought I'd share.
From the mentioned diagnostic menu, (pressing and holding 1,6,power, then realeasing) you can do a few things.
As is Pottsy's post, holding [fm] for a few seconds brings up the signal strength. You can change station by pressing [>>|] or [|<<] and change the volume.
Pressing 3 toggles a display check where every segment lights up (there are loads!) and goes out with another press.
pressing 4 confuses me, it shows something like 00, 000 22 (I think). I have no idea what this does, and as far as I can tell, the nuber 22 does not change. I will leave this well alone.
Now this is the really interesting one. Press 5 wil bring up "vsp 000".
I have deduced the 'vsp' means vehicle speed, and the numbers change as you drive the car. At first I wasn't sure what it was displaying, then I realised that it shows the
TRUE speed (in kph) before the speedo adds a bit to make it over read! The speeedo has to be changed to kph to make it make a little more sense. The speed reading is a little jumpy, but I am positive is far more accurate, always reading a speed a few kph below the speed on the speedo. I have not tied this with a GPS to compare yet.
I can only assume this is in the radio diagnostic menu because it has speed sensitive volume.
Anyway, I thought you guys would like to play with this. As far as I can tell, it is only for viewing information, and nothing can be changed, but do take care.