Guys, please advise on the following settings in the AS Options to use with RC4:- USE UPDATE SUPRESSION- DISABLE ALL UPDATES ON GROUND- USE LOCAL RANGE SUPRESSION- GLOBAL AREA WRITES- AUTOMATIC GLOBAL WRITE TOGGLE- DISABLE LOCAL CHANGES ON GROUND- FORCE DESTINATION WX ZONE- IGNORE FS READY STATUSSUPRESSION CEILING (FG) 4000 (GREYED OUT)SUPRESSION RANGE 200UPDATE INTERVAL (MIN) 5Many thanks.

Hi,Use Update Suppression On. Now Suppression Ceiling is not greyed out. 4000 is fine.DISABLE ALL UPDATES ON GROUND OffUSE LOCAL RANGE SUPRESSION OnGLOBAL AREA WRITES OffAUTOMATIC GLOBAL WRITE TOGGLE OnDISABLE LOCAL CHANGES ON GROUND OffUPDATE INTERVAL (MIN) 45Thanks,Jimhttp://www.hifisim.com/banners/hifi-community-sigbanner.jpghttp://www.hifisim.com/

Thank you so much, Jim, I appreciate your time.Dirk.PS: you sure 45 mins? Have never seen anyone advising this much. But you know better. :)