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3. Reading
The reader antenna is located inside the reader at the top. The bottom of the
reader has a label marked “READ HERE” which identifies the antenna area. While
pressing down the Read button, scan in a circular pattern while moving toward the
head starting from the middle of the back.
reader has a label marked “READ HERE” which identifies the antenna area. While
pressing down the Read button, scan in a circular pattern while moving toward the
head starting from the middle of the back.
Figure 2
The reason for this scanning pattern is that chip orientation plays a major role in
the optimum performance of the reader and reading distances. In Figure 3, below,
CHIP(S) A, in a parallel orientation to the antenna, will achieve its maximum
reading distance towards the center of the coil or in parallel to either end of the
antenna. CHIP(S) B, in the perpendicular orientation to the antenna, will achieve
its maximum read distance towards the outside edges of the antenna. It is
therefore recommended to move the antenna in a circular motion so that at some
point you are energizing the chip with a greater magnetic field making it easier to
find the microchip.
B
a
tte
ry
Co
mpar
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en
t
AVID*123*456*789
Ant
enna
Reader
(A
)
(B)
(A)
(A)
(B
)
Figure 3
Copyright 2008 © Avid Identification Systems, Inc.
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MTPro_ISO_Manual.doc - 11/3/2008