The forward and reflected calibration are sent separately by the forward and reflected calibration windows.
The procedure is as follows:
The appropriate calibration window should be displayed with a calibration profile already loaded.
Ensure that Picswr's RS232 jack socket is connected to the PC serial port.
Press and hold Picswr's mode-change pushbutton on the PicAStar's front panel until the tricolour LED flashes green - it will flash four times and then show steady green.
Click the button.
Data transmission will begin and the Picswr LED will flash green rapidly.
After successful transmission, the Picswr LED will glow briefly orange and a checksum message box will appear on the PC screen: