The PSI in the lounge is the easiest method. A set of simple instructions is next to the device.
If you want to use the system from home select Book a Tee Time from the top menu. You will first need to register using your loyalty card number as your username. The Office at the golf club will then enable your account, this will be done as quickly as possible, then you will be able to use the system.
Further information including rules and help documents are available as attachments below.