Microscan MS-4 Uživatelský manuál stáhnout pdf (Strana 271)

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MS-4 Imager User’s Manual 10-31

Camera and IP Setup

Symbol Direction

If a symbol enters the field of view from the left, it will be skewed as shown in the image

below. The image is processed from top to bottom, meaning that the top of the symbol is

captured first. The amount of skew is dependent on the speed at which the symbol moves

through the Imager’s field of view. The symbol below was captured at a line speed of 40

inches per second.

Additional Notes on Skew Correction

• When skew correction is enabled, the pre-processing option in Capture Mode is disabled,

regardless of how it is configured. This is because image distortion must be corrected

before any other image processing can occur.

• Autocalibration does not perform skew correction. It is assumed that during autocalibration

the symbol is stationary, so skew correction is not required.

• Images are corrected before they are processed. Therefore, if an image is still pending

at the end of the read cycle, it will not have been skew-corrected.

Definition: This feature specifies the direction the symbol is moving through the

Imager’s field of view, or which side of the field of view the symbol will enter

first.

Note: Image captures of symbols entering the field of view from above or

below cannot be skew-corrected.

Usage: <K537,line speed,symbol direction>

Default: Right

Options: 0 = Right 1 = Left

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