Hand Held Products 4410 - Manual (Page 20)

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Reading Techniques
The hand-held Imager has a view finder that projects a bright red aiming beam
that corresponds to the Imager’s horizontal field of view. The aiming beam
should be centered over the bar code, but it can be positioned in any direction for
a good read.
The aiming beam is smaller when the Imager is closer to the code and larger
when it is farther from the code. Symbologies with smaller bars or elements (mil
size) should be read closer to the unit. Symbologies with larger bars or elements
(mil size) should be read farther from the unit. (see "Depth of Field Charts (4410
& 4710)" on page 10-4.) To read single or multiple symbols (on a page or on an
object), hold the Imager at an appropriate distance from the target, pull the
trigger, and center the aiming beam on the symbol.
Linear bar code 2D Matrix symbol