Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!samsung!brutus.cs.uiuc.edu!apple!dan
From: dan@Apple.COM (Dan Allen)
Newsgroups: comp.sys.handhelds
Subject: Re: Listen to your HP48's heartbeat.
Keywords: HP48
Message-ID: <39815@apple.Apple.COM>
Date: 26 Mar 90 00:10:08 GMT
References: <2620@gmu90x.gmu.edu>
Organization: Apple Computer Inc, Cupertino, CA
Lines: 11

In article <2620@gmu90x.gmu.edu> peraino@gmu90x.gmu.edu (peraino) writes:
>No, I haven't lost it; you can listen to your HP48's heartbeat.
>Go to a quiet room. Turn your unit on, and place the clock on the
>status line. Place your ear to the calculator (or the calculator to your
>ear) around the center of the keyboard, and you will hear a high pitch
>rushing sound, with a pulse every one second, which coincides with the

If you turn on a shortwave radio near to the calculator, it will magnify
the sound.

Dan Allen