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Thanks to everyone who responded about his/her 3M Security System! Here's a list of responses: We have had a 3M system (grades 10 - 12 , 1200 students ) for 20 years. It worked faultlessly until we started to place computers near it a few years ago. We are renovating our library and purchasing a new 3M system since they have solved the computer proximity problem. We are very happy with the system ( I like it better than Checkpoint. Had it at a junior high and found it cumbersome and problematic ). I am not expecting to need a lot of support once it is installed. (didn't in the past) but you can purchase a package. --- We've been open for nine years and have had a 3-M security system since day one. We have had little or no trouble with it. We do pay for the maintenance agreement. We get service usually the same day. Our only problem is that our exit is so far from the check-out desk that we have to yell to make students stop. Also, if a student is tall and holds the book up, it is out of range and will not set off the alarm. You must also keep books a few feet away from the gate or it will set it off. Other than that, no problems --- We have a 3 m security system. We do not have a maintenance agreement because it is to expensive. I know from walking through it myself, sometimes it works and sometimes it does not. And it goes off for other reasons--braces, other metals. Perhaps we need it maintained and newer systems might work better. --- We are on our 2nd 3m system. The first was installed 20 years ago and was fried last year when we had a major electrical malfunction in the building. We replaced it with a similar 3m system one year ago. It has been fine. I do feel the service call out fee is high but there's little we can do about that. The system itself seems a little sensitive but I'd rather have that than one that doesn't react when it should. I use checkpoint strips because they are substantially cheaper. Hope this helps. --- We have 3M and find it OK. The students have less of a chance of finding the strips since they're not very conspicuous and not always in the same place. The only problem is that the books do not always ring on the way out. Sometimes they don't ring on the way out, but do on the way in. It's really more a deterrent than anything else, because if a student takes a book and runs out, he's long gone before we can get to the door (since we're usually elsewhere in the library helping another student. Also, we have found that the public library seems to use the same system as do video stores but neither of them turn it off when the item is checked out, so if a student has one of the above in his/her bookbag, it will set off the system. Although once we figure that out (since they ring on the way IN) we tell them to hand the item to one of us on the way out and we will pass it back to them after they pass through the system. Good luck with your choice. --- I am now at a middle school but spent several years at a community college where we had a #M security system. Yes it did work and yes some books still got through. Sometimes our student assistants failed to resensitixe the books when then came back. 3M service, in Mississippi, was very good and we had very little need to call them. Because the system needed so little work, we did not put it under a service contract. The 3M tattletapes can be purchased from Highsmith, Demco, Vernon, Gaylord, etc. for the exact same price, which is cheaper than what 3M will sell they to you for. You can get "targets" for books and diffent ones for CD-s, videeotapes, audiotapes, etc. I formerly worked at a school that had a Knogo system. I did not like how Knogo operated, how the bookplates were the security tags and frankly, it seemed that the theft rate was higher. If I had to pick a system, I would pick a 3M system. Be sure to check Library Technology for comments and a 'consumer's guide' evaluation of security systems. I wish I had any security system. --- Nancy Bentley LMS/CIT Mann Middle School Colorado Springs, CO nbent@uswest.net =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-= All postings to LM_NET are protected under copyright law. To quit LM_NET (or set-reset NOMAIL or DIGEST), send email to: listserv@listserv.syr.edu In the message write EITHER: 1) SIGNOFF LM_NET 2) SET LM_NET NOMAIL or 3) SET LM_NET DIGEST 3) SET LM_NET MAIL * Please allow for confirmation from Listserv For LM_NET Help & Archives see: http://ericir.syr.edu/lm_net/ =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=-=