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- Newsgroups: comp.sys.hp48
- Path: sparky!uunet!think.com!enterpoop.mit.edu!bloom-picayune.mit.edu!athena.mit.edu!cthomas
- From: cthomas@athena.mit.edu (Michael T Ford)
- Subject: Re: IR output format ?
- Message-ID: <1993Jan12.103125.13324@athena.mit.edu>
- Sender: news@athena.mit.edu (News system)
- Nntp-Posting-Host: alfredo.mit.edu
- Organization: Massachusetts Institute of Technology
- References: <1993Jan10.132337.4804@wkuvx1.bitnet>
- Date: Tue, 12 Jan 1993 10:31:25 GMT
- Lines: 16
-
- In article <1993Jan10.132337.4804@wkuvx1.bitnet> scottcr@wkuvx1.bitnet writes:
- >I am trying to download to my PC a record of my programs
- >contained in my [ HP 42S ].
- >This unit has provision for IR printer output only.
- >While looking at the IR output on a scope, it appears
- >to be low frequency pulses (300-500) hz, instead of
- >a 40Khz FM carrier as is popular;
- >Anyone know the format of the IR output ?
-
- As far as I can tell, the signal on the IR is the same as would be on
- a serial cable. And from experiments I have done, I also *think* that
- it sends at 600 baud. I, too, am trying to find more info on this.
-
- Mike
-
-
-