Any idea guys? I tried rxboost=1 and rxboots=0 and same results. I know there is audio at the receive input because I have good quality repeater audio. But have a long squelch burst on dekay of the subscriber. This is a modified CM108 USB fob. Thanks for all the great help! 73 Jim W7RY Please enter your selection now: 2 tune rxnoise maxtries=12, target=27000, tolerance=2750 tries=0, setting=2, meas=32767 tries=1, setting=2, meas=32767 tries=2, setting=2, meas=32767 tries=3, setting=2, meas=32767 tries=4, setting=1, meas=32767 tries=5, setting=1, meas=32767 tries=6, setting=1, meas=32767 tries=7, setting=1, meas=32767 tries=8, setting=1, meas=32767 tries=9, setting=1, meas=32767 tries=10, setting=1, meas=32767 tries=11, setting=1, meas=32767 DONE tries=12, setting=63, meas=32767, sqnoise=13206 ERROR: RX INPUT ADJUST FAILED.