Thread: Garmin China City Navigator NT 2012.20 CH (Official shifted+Venus non shifted)

Originally Posted by syzygy

x' = f(x, y)
y' = g(x, y)

where f and g are two un-published functions strictly controlled by the Chinese government.

Thanks so much.
So the only reason for the special chinese Chipsets in the Navs is to protect these two functions?
Harder to analyse a chip than to debug a special firmware?