Deister Electronic GmbH MODEL260 用户手册

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GE Contactless Medium Read-Range Reader Model 260
7
Installation on Metal Surface
Mounting the GE Reader directly on a metal (or other electrical 
conducting surface) will reduce read range to approximately  9.45 inches 
(240 mm). For maximum read-range, ensure the metal wall installation 
switch is set to the “< 0.75 inch” position.
Another potential source of interference is mounting two or more readers 
in close proximity as shown in Figure 4.
FIGURE 4:  Pole-Mounted Readers
The following problems may occur when mounting multiple GE Model 
260 readers in close proximity:
The signal energy from one reader may interfere with the read range 
of the other.
Overlapping read fields can cause a single credential to be read 
simultaneously by two or more readers.
Front
view
Side
view
Vertical separation
distance
Back-to-back
distance