We can know more about this hardware.
== to Use ==
Press RESET button (switch ON).
Press selected diagnostic button (switch ON).
Press RESET button (switch OFF).
At that moment the CPC will start and execute the selected diagnosis.
If we want to run a different diagnosis:
Press RESET button (switch ON).
Press selected diagnostic button (switch ON).
Press previous diagnostic button (switch OFF).
Press RESET button (switch OFF).
== Pictures ==