X1 - 25 Nov 2003 Authored by Guru Mujumdar Prepared by Steve Jones Avalon RF, Inc. . 344 Coogan Way . El Cajon, CA 92020 Phone: (619) 401-1969 . Fax: (619) 401-1971 . Email: sales@avalonrf.com AVALON RF, INC. Page ii RT423 User.s Guide & Operating Manual AVALON RF, INC. Page ii RT423 User.s Guide & Operating Manual s 1. General .................................................................................................1 Figure A . RT423 Series Controls and Connectors........................