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3M Accessories
3M Library Security System
4-10
E 3M 1999 September
4.5 3Mt In-Counter Desensitizer Model
2004 (Not For Use W ith Recorded
Magnetic Media)
Description/Characteristics
The 3Mt Desensitizer Model 2004 is designed to
desensitize 3Mt Tattle-Tapet Security Strips. This
includes security strips in or on books, magazines, and
other general items.
The 3M Model 2004 is not intended to be used with
recorded magnetic media such as audio or video
cassettes or computer software.
Security strips on protected items must be properly
desensitized so the items can be carried through the
library system without causing an alarm.
Model 2004
Installation
The 3M Model 2004 is a non-electric device which is
designed to be permanently installed in the checkout
counter.
A yellow warning label is supplied by 3M and
should be secured on or near the Model 2004
to advise customers of potential damage to
recorded magnetic media.
Operating Instructions
Pass the marked article across the face of the Model
2004 with the security strip in full contact with the
surface of the desensitizer.
Only one pass is necessary to fully desensitize a
security strip.
Passing the marked item across the 3M Model 2004
first in one direction and then in the other (scrubbing
motion) may partially resensitize the security strip and
cause unwanted alarms.