Honeywell Xenon 1902HC, Быстрый старт

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RS232 Serial Port:
Reading Techniques
The view finder projects an aiming
beam that should be centered over
the bar code, but it can be
positioned in any direction for a
good read.
Hold the scanner over the bar code,
pull the trigger, and center the
aiming beam on the bar code.
The aiming beam is smaller when
the scanner is closer to the code and larger when it is farther from the
code. Hold the scanner close to smaller bar codes, and farther away
from large bar codes to get a proper read.
If the bar code is highly reflective (e.g., laminated), you may need to
tilt the scanner at an angle so the bar code can be scanned.