TECH: Mac PowerBook and projection

[Joyce Conklin <jconkli@ED.CO.SANMATEO.CA.US>]

I have a PowerBook G3 and would like to use a data projector so that I
can use animated PowerPoint slides (instead of static overhead
transparencies!) An S-video composite cord (S-video OUT (male mini-DIN
7)* at one end to connect to the PowerBook, and an RCA male at the other
end, which could connect to the video-IN on the projector. I haven't yet
tried this connection. I purchased an S-video cord (12') but then found
that BOTH ends were S-video IN connectors**, so no-go there.

I did connect from the monitor connector on the PowerBook to the monitor
connector on the projector, but then I have to use the projector as the
monitor (my PowerBook screen turns black). MacSecrets (4th ed.) says that
you can "use a Powerbook that has a video output jack. Plug an external
monitor into the video port. Your built-in PowerBook screen acts as one
screen, and the external monitor acts as the other." But, as I said
above, this didn't seem to work. Is there a control panel or extension
that I'm missing which would allow the use of two monitor simultaneously?

Thanks for all advice. Please send any answers to the address below, NOT
to the entire list.



Joyce Conklin       jconkli@ed.co.sanmateo.ca.us
San Mateo Union High School District librarian (ret.)
San Mateo, CA
Mac 8600/OS 8.0 Netscape 4.05(128 bit)/Claris Emailer

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