G'day geeaygee, welcome to Apnea Board.
As mentioned above, there is a link to the manuals at the top of each page on the forum. There are hundreds of different manuals available, so read the instructions carefully and ensure you request the manual for the correct machine.
What particular S9 do you have? There are quite a few different versions including half a dozen VPAPs. The model name is printed on the top of the machine near the on-off button. I'm interested that you purchased a VPAP - these tend to be specialist machines for people whose apnea can't be treated with the regular CPAP and Autosets. Did you have a specific reason for choosing VPAP?
Anyhow, good luck with your therapy and keep coming back with any questions - we're all here to help each other.
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Ditto what DeepBreathing posted.......
VPAP is a more sophisticated form of PAP used for treating more complex forms of sleep apnea.
I would be concerned about you setting it up yourself unless you are copying existing settings from a machine you've been using for a while that was set up by an appropriate medical professional.
I'm from the US so I don't know much on how the medical system works "down under".
Hope this helps
(Just a truck driver with sleep apnea )