Sorry Don, I was using the DMM leads and not the RF probe to read the voltage on the DL1 measuring 6 volts. Thanks again Don, Ed -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT2-Bridge-null-adjustment-tp6683608p6684272.html Sent from the Elecraft mailing list archive at Nabble.com.