Ed, Set the ATU menu to CAL. There will be a small residual reactance, but the tuner is effectively bypassed. 73, Don W3FPR On 9/9/2013 6:18 PM, Eddy wrote: > Is there a setting on the KAT-100 the effectively removes the tuner from the circuit....much like a "bypass" on my Ten Tec 238 tuner? >