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How to Reset L-Jet with new O2 Sensor?
Does anyone know the procedure? I just installed a new O2 Sensor and wanted to make sure the Computer know's the change.
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The computer is analog (no programming) and the signal is just a voltage input so there shouldn't be any initialization required. i.e. plug and play.
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Oh, so the procedure I saw was for an LH and not L?
Is there a way to manually adjust the A/F on the L-Jet System? |
I never saw an "analog" computer. Everyone I saw are digital. Maybe it has fixed firmware and D to A and A to D converters, but the processor must be digital unless this is something real unusual. To my knowledge computers use binary 0's and 1's. Instructions, data and addresses all stored as binary.
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To change the A/F mixture: that is done by removing a plug that covers a screw on the barn-door flappy. It's in the WSM, but I'm at work and do not have access to which section and page it's on. |
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Not as used in operating most complicated arithmetic decisions as your PC is. Yes you can call a slide rule an analog computer but it isn't going to operate your fuel system in real time unless you have a fast hand and quick foot and able to read gauges at nano second speeds to control O2 and fuel ratios! Not a computer as people consider them today! PS. I have one (slide rule) if you need it, sell cheap! Hand operated computer I guess!
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I happened to find my old slide rule, case and book in a box hidden for some years. The darn thing still looks good. Don't think I can get on the internet with it!
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No, but if your's is like mine its a foot long with a leather carrying case and a belt loop, so you can wear it like a sword.
Used it till the HP45 came out. And the HP 67. |
No wonder we are drawn to 928's.
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These young kids just have no idea of punched paper tape and IBM cards! But it was fun at the time. My first program written on DEC PDP-11, predissor of the PC, cost over $48k in 1974.
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You might be amused by this picture, argueably the worlds first laptop ( circa 1987_) still works ! http://forums.pelicanparts.com/uploa...1295911897.jpg |
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Actually, I do prefer the new systems. even though I can still decipher the hollerith coding on punched cards. :) |
my first laptop was a Toshiba 1100 with 2 3.5" floppy drives, and that was early 1987...by 1989 I was working on the design team for Compaq Computer Corp developing the first cigarbox laptop, a turkey called the LTE.....and my first real computer was in 1965, an analog called a MK1-A gun fire control computer, developed and used in WWII. A massive electromechanical monster that computed with some degree of accuracy 38 variables. It worked pretty well as we could drop 5" shells into a 50 yard radius at 5-7 miles range while the ship was in motion....we could shoot 15 miles but not so accurate....my first mainframe experience was 1984 on an IBM 4381......and an HP 3000 too....and they didn't talk to each other....what fun that was....my first electronic computer was in 1978, a Xerox 820 with twin 8" drives and 64k of computing power!
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My DEC PDP-1170 at work, circa, 1974. 16K of core, paper tape input, 1.2 Meg hard drive. TTY terminal. Cost over $50K in 1974 dollars! Me at console!http://forums.pelicanparts.com/uploa...1296183841.jpg
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