To specify the wallet address that you want the bitcoins or altcoins to be sent to, hold a wallet QR code to the window on the machine to scan it. The easiest way to do this would be with a Mobile Wallet App on your smartphone or a printed Paper Wallet.
Insert bills, one at time, for them to be converted. After each inserted bill, the screen will display the updated amount entered in Canadian dollars and the converted amount in your chosen cryptocurrency.
When you are done entering the bills for the amount that you want to purchase, press the Send Bitcoins button (or the equivalent for your cryptocurrency) on screen to initiate the transfer of the coins to your wallet.
Once that is completed, a digital receipt for your transaction will appear on screen (the machine does not provide printed receipts). It will include: