Just picked up a new VX-170 and noted 2 different kinds of "Squelch." I'd be grateful to know the operational differences and typical settings for each. Be Well, Tim ________________________________________________________________________ Interested in getting caught up on today's news? Click here to checkout USA TODAY Headlines. http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/front.htm?csp=24