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From: "Dan Haeg" <haegd@msoe.edu>
Newsgroups: comp.soft-sys.matlab
Subject: Re: little blue symbol
Date: Wed, 10 Oct 2007 02:38:12 +0000 (UTC)
Organization: Milwaukee School of Engineering
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"maria " <ilmijore.removethis@hotmail.com> wrote in message
<fegt86$k0e$1@fred.mathworks.com>...
> This is not a serious question, but it is driving me
> crazy... I have opened the sldemo_househeat in matlab 2007a,
> which models a house with heat equations. The demo works
> perfectly, but I have found two new symbols in simulink,
> that I have never seen before. On two simulink wires there
> are two little blue symbols (like antennas), that I can not
> understand what are. I have looked for those in help, but I
> found nothing.
> 
> What are they?
> 
> Thank you
> 
> Marco marciandi

search the help for "test point indicators"