for sale : heath noise blanker . comes with manual .can be used in sb-104 or hw-104 . built and never used . $50.00 plus shipping Marty Listserver Subscription:listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'" Listserver Submissions: heath at listserv.tempe.gov Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"