How do you check and/or adjust the Ic on a TS-120s? What should the reading be?
Do you have the operator's manual? If not then the TS-120S operator's manual can be downloaded from the same link provided by W9GB.
You adjust the Ic meter indication in CW mode using the CAR control and the MIC Gain control in sideband. These adjustments are all explained in the operator's manual.
Do you have the TS-120S operator's manual? If not then you should download it from the same link provided by W9GB. You should not attempt to operate the TS-120S without having studied the operator's manual so you have an understanding of what each control's function is, how to use each control, and how to interpret the meter indications.