Ver 4.06 - 02/17/2022:
   - fixed a problem on saving and loading SETUP + MARKER data
   - fixed a problem on loading calibration data

Ver 4.05 - 10/28/2021:
   - fixed a display problem of marker 1 that appeared when Meas2 was turned off

Ver 4.04 - 10/30/2019:
   - improvement of SWR management
   - new setup file