Huh. Is there anyway around this? I use data modes way more than AM, sure would be nice to be able to get the 6k filter to work! Don't need DSP for these modes.... Thanks, Steve KV6O -- View this message in context: http://elecraft.365791.n2.nabble.com/Data-mode-and-filters-tp7602196p7602199.html Sent from the Elecraft mailing list archive at Nabble.com.