4. Connect mains If your monitor has an IEC-type mains supply plug, plug this into the socket marked UNSWITCHED 0/P 220-240V on the back of the computer. If it has a normal mains plug, plug this directly into the mains. Finally, plug the connector on the mains cable into the socket marked I/P 220240V on the back of the computer unit. Check that the computer is switched off (see the next chapter). Connect the plug to the mains and switch the mains on.
Connecting other things Alternative monitors Connect a high-resolution monochrome monitor to a 400-series machine with two leads (having BNC twist-lock connectors at either end) connected to the sockets marked VIDEO and SYNC on the back of the computer. If you want to connect a standard-resolution monochrome monitor to a 400-series machine, some internal adjustments to your computer will be necessary consult your supplier for advice. Setting up the computer 9