During installation of PicoScope 5, dd you select the port as USB-PP1? If not, please reinstall the software.
After installation, connect the parallel port adaptor first to the USB port on your PC and wait for for the driver to install - do not connect the ADC-212 to it.
Confirm that Device Manager shows a Pico Parallel Port under Universal Serial Bus controllers, then follow the following steps:
- Connect the ADC-212 to the Parallel Port Adaptor.
- Start PicoScope 5, then click File -> Setup -> Converter
- Set the options in the ADC Selection dialog as below, then click 'OK'.
- Restart PicoScope 5 when prompted.