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From: delaney@wnre.aecl.CDN (Grant Delaney)
Newsgroups: comp.sys.apple
Subject: fan hum  and a look at the monitor
Message-ID: <601*delaney@wnre.aecl.cdn>
Date: Wed, 29-Apr-87 22:49:55 EDT
Article-I.D.: wnre.601*delaney
Posted: Wed Apr 29 22:49:55 1987
Date-Received: Sat, 2-May-87 05:15:04 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
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Lines: 12

The speaker hum is not just from the fan I have no fan and still get it.  I
have noticed changes in pitch though with changes in the RGB monitor.

Now for a few things I've noticed a monitor level 'call -151'

=T capital t that is gives the date and time
any number= that's #= does a hex to decimal conversion
FF/BA00.BBDFL will give the famous list of names
! takes you into the miniassembler
Control^ gives you a new prompt

There are a few for a start what can you find let us Know!