Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!hplabs!hp-pcd!hpcvra!lorenh
From: lorenh@hpcvra.CV.HP.COM (Loren Heisey)
Newsgroups: comp.sys.handhelds
Subject: Re: Re: Invigilators Beware (TV Remote Signals Anyway?)
Message-ID: <21580012@hpcvra.CV.HP.COM>
Date: 8 Mar 90 19:46:36 GMT
References: <8685@rosevax.Rosemount.COM>
Organization: Hewlett-Packard Co., Corvallis, OR, USA
Lines: 17

daniel@rosevax.Rosemount.COM (The Amazing Daniel Winker) writes:
>In article <6723@hydra.gatech.EDU> gt1246c@prism.gatech.EDU (Warren Furlow) writes:
>>I thought of this also and tested it with my HP-48 and my friends HP-48.
>>They would not work past about three inchs.  I wonder if HP did this on
>>purpose?  I will really get excited about HP IR when it can generate TV
>>remote signals...
>
>I called "Calculator Support" at HP (they were very busy today,
>imagine), and the guy there told me about how they're only rated to
>transmit 2 inches to another HP-48.  But, what's to say that they're
>not just built to be weak on the receiving end.  Maybe they transmit
>just fine and COULD do the remote signals stuff.

The maximum transmitting distance for the IR printer is rated at 18
inches though it generally will work up to a few feet. The transmitter was
purposely limited to reduce the potential problem where one individual's
calculator might interfere with someone else's printer nearby.