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5
V550-A20 Operation Manual
Section
2-
5
What to Do After Receiving the V550-A20
Tilt
is the way the bar code rotates around the tilt axis. Similarly,
pitch and skew occur when the bar code is rotating around those axes.
Pitch
Skew
Tilt
Pitch
Skew
Tilt
Pitch
Skew
Tilt
Tilted, Pitched, and Skewed Bar Codes
The
Exit Window
is where the laser beam exits the scanner.
Near
Distance
, also called
Optical Throw
, is the closest the V550-A20 can
be to the bar code and still read the bar code passing through its scan
line. The
Far Distance
is the farthest distance at which the V550-A20
can read a bar code. The
Depth of Field
is the range over which the
V550-A20 can read bar codes. To calculate your Depth of Field,
subtract the Near Distance from the Far Distance. The V550-A20's
Optimum Distance
is the Center of the Depth of Field. The
Scan
Window
is the usable amount of the laser beam at any given depth of
field.
Near Distance
Optimum Distance
Far Distance
Depth of Field
Exit Window
Shaded area is the read area
Illustration of Scanning Terms
Содержание V550-A20
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