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Article #15246

Re: Gemini 4002/4003 car alarm

#15246
From: bill nelson
Date: Sat, 21 Nov 1992 09:15
19 lines
1425 bytes
hb@imsor.dth.dk (Henrik Bechmann) writes:
: I have one of those fitted in my car, and the users manual states that
: it is possible to switch between voltage sensing mode and no voltage
: sensing mode by setting a switch. I don't want it to be voltage
: sensing, but the alarm reacts on voltage changes in both modes :-( 
: 
: Does anybody out there have any suggestions to solve the problem
: (without a separate battery for the alarm), or does anybody have acces
: to a Service Manual or an electronics diagram of the thing?
: 
: Any help will be very much apreciated.

It sounds like you misunderstand what is being talked about. Voltage
sensing is when the alarm detects a change from zero voltage to some
positive/negative voltage level. No-voltage sensing is when the alarm
senses a change from a positive/negative voltage to zero voltage. In
both modes, the alarm is reacting to a voltage change.

Bill
Technical Details
Message-ID: <1992Nov21.091545.20387@hpcvaac.cv.hp.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!sdd.hp.com!hpscit.sc.hp.com!scd.hp.com!hpscdm!cupnews0.cup.hp.com!news1.boi.hp.com!hp-pcd!hpcvaac!billn
References: <hb.722264852@vip>

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Newsgroups: sci.electronics,rec.audio.car,alt.locksmithing
Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!sdd.hp.com!hpscit.sc.hp.com!scd.hp.com!hpscdm!cupnews0.cup.hp.com!news1.boi.hp.com!hp-pcd!hpcvaac!billn
From: billn@hpcvaac.cv.hp.com (bill nelson)
Subject: Re: Gemini 4002/4003 car alarm
Message-ID: <1992Nov21.091545.20387@hpcvaac.cv.hp.com>
Organization: Hewlett-Packard Company, Corvallis, Oregon USA
References: <hb.722264852@vip>
Date: Sat, 21 Nov 1992 09:15:45 GMT
Lines: 19