What version of Spectra IV firmware uses switch SW1-8 for coaxitron control and which one uses SW2-3?
Spectra IV / IVse version 1.062
Spectra IV / IVse version 1.07
Firmware upgrade changes the enhanced coaxitron control dip switch setting.
Spectra IV version 1.062 used SW1-8 for enhanced coaxitron control. Note that with the introduction of 1.07 firmware, the switch setting for enhanced coaxitron control was moved from SW1-8 to SW2-3.