Hello, Thank's for the update. But I am sorry, I always have problems when I make an autofocus. After some movement, the focuser freeze, the ratio is Yellow ... and after a few time I got the next message
ERROR 519.950493 sec : TTY error detected: Timeout error ERROR 534.962191 sec : TTY error detected: Timeout error ERROR 549.974370 sec : TTY error detected: Timeout error