Mark, The RIT SW# is SWT47; There is also a RIT command, RT RT (RIT Control; GET/SET) SET/RSP format: RTn; where n is 0 (RIT OFF) or 1 (RIT ON). RIT is disabled in QRQ CW mode. There are a few others, see page 23 of the programmer's manual Vers. G3. -- Carl AB1DD Resistance is futile. (don't know about reactance, though)