I get the error message "tuning failed", it ocurres after the dm800 has been on for a while, ~30 minutes.
Then a reboot wont help, I have to wait untill it cools down. (cold start)
It used to work ok for 2 months, but now its constantly failing.
I am suspecting a PLL locking problem (some sort of temp calibation needed) tuner kaputt ?
Any other who had the same experience ?