This is how most/all radios work. The S-meter reading is derived from the AGC voltage. You will also find as you turn down the RF gain that the S-meter will read incorrectly. 73 Mike N2MG WB4YDL wrote: > The AGC, when disengaged, also disengages the S-meter. > K4JRG asked: > > 5 - When setting AGC to off, the S meter stops deflecting. What gives?