Printronix Scan Vision User Manual download pdf (Page 11)

Reflectance Profile Screen

This screen displays a reflectance profile for SV unit’s entire scan path. An example is shown in

Figure 3 below.

Figure 3 – Reflectance Profile Screen

This high reflectance

span includes one of the

bar code quiet zones.

This high reflectance

span includes one of the

bar code quiet zones.

In this case, the bar code segment of the

profile is centered in the display,

therefore it is centered in the beam path.

The amplitude of the bar code

signal is in the desired location

between the yellow lines (10%

and 90% of dynamic range).

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Printronix Scan Vision User Manual Page 11