Vision Australia has great information for getting started on the Mac.
The podcast page is at
http://www.visionaustralia.org/info.aspx?page=2296
The keys you think of as alt, windows, and ctrl are command, options,
and ctrl for the Mac.
to turn accessibility on, press command+F5.
Some Windows shortcuts work, only you use command instead of control:
command+p for print and command+s for save.
Once you get through the Vision Australia material, you can go through
the Voiceover manual. It's actually very helpful, but the first couple
of chapters are overwhelming, so you may want to read them in order to
pick and choose what sounds useful; then move on to the later chapters,
where you get information on using Voiceover with specific apps.
VICUG-L is the Visually Impaired Computer User Group List.
Archived on the World Wide Web at
http://listserv.icors.org/archives/vicug-l.html
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