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3M Library Security System
3M Accessories
4-27
E 3M 1999 September
4.11 3Mt On-Counter Resensitizer Model
764 (Not For Use With Recorded
Magnetic Media)
Description/Characteristics
The Model 764 is a stand-alone on-counter
resensitizer. It is used to resensitize 3Mt
Tattle -Tapet Security Strips that have been applied to
books, magazines, and other print media or to
compact disks. Properly resensitized strips will set off
an alarm when carried through a 3Mt Detection
System. The Model 764 is powered from an AC
power outlet.
Specifications
Physical:
Depth: 5.5 in. [140 mm]
Width: 12.25 in. [311 mm]
Height: 4.38 in. [111 mm]
Weight: 14.3 lbs. [6,5 kg]
Shipping Weight: 17.0 lbs. [7,7 kg]
AC Power: 120 VAC 60 Hz (T5L250V fuse), 5A
220 VAC 50 Hz (Fuse 2.5A)
Model 764
Installation
The Model 764 is a stand-alone on-counter device. It
can be set on any non-metallic table or cart top. The
Model 764 may produce audible noise and/or
vibration if placed within 0.8 inches [20 mm] of metal
objects or surfaces. A mounting base option is
available that eliminates this situation.
For proper operation, the printed material must be
moved across the front of the Model 764, so there
must be adequate space on either side of the device for
sliding the printed material. Connect the device to an
AC power outlet. For an AC voltage range of 100 --
120 VAC, use a 120 VAC 60 Hz unit, and for an AC
voltage range of 200 -- 240 VAC, use a 220 VAC 50
Hz unit.
System placement relative to interfering objects:
Magnetic Material:Keep all MAGNETICALLY
RECORDED MATERIALS, audio
and video cassettes, and computer
disks at least 6 inches [150 mm]
from the M764 Resensitizer.
Computers (CRT) Keep all computers ( CRTs) at least
36 inches [914 mm] from the
M764 Resensitizer.
Bright Lights: Keep the Model 764 out of direct
sunlight or other bright light. A
change in the amount of light
detected by the unit may cause
false triggering.
Operating Instructions
To avoid damage to credit cards or computer
software: Do not attempt to resensitize security
strips which have been applied directly to
computer software.
Do not permit credit cards or computer software
disks to make direct contact with the 3M Model
764.
Resensitizing Books or Other Print Media
Slide the marked item from right to left along the front
of the Model 764 as shown below. The spine of the
marked item must be in contact with the front surface.
Indicator Light
1. Start t he pass with the marked item completely to
the r ight of the Model 764.
2. Check that the indicator light turns on as the item
is slid to the left.
3. Continue sliding the item to the left until it has
passed across the entire front surface of the unit.
To ensure that processing is completed, the
indicator light must turn off at the end of the pass.