Screen squeals

[Chris Schumann <SCHUMANN@macc.wisc.edu>]

I just noticed on my 750P that the screen emits a very high
frequency squeal, and that the frequency can be modulated with
the brightness control.

I'm not sure if it just started, or that I finally noticed it,
or that this new screen (~4 weeks old) makes the sound and the old
one didn't.

Does anyone else notice this squeal? (Especially 750 vanilla owners)

I would estimate the frequency at 19-20kHz.  I can
try to make a measurement if people are interested.

chris schumann
schumann@macc.wisc.edu