Sergey, You can have the K3 S-meter either way you want. In ABS (absolute) mode, there will be no change with use of the attenuator and preamp. In the NOR (normal) position, there will be a change. 73, Don W3FPR Sergey Dan wrote: > Do I need to see S meter reading changes when choosing between "ATT" and > "PRE" ? > > Thanks > Sergey 4Z5TV > >