Rjs Inspector D4000 Auto Optic (FIRMWARE version A.05 Uživatelský manuál Strana 25

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Operators Guide Inspector 4000
002-5564 RJS, Minneapolis, MN
18
6.0 PCS Analysis
PCS Scanning (overview)
This section is an overview of PCS (print contrast signal) analysis.
When a successful scan is made, the Good Read LED will illuminate and a crisp chirp
or beep sound will be emitted.
Excellent results can be obtained when the auto-optic scan head is used properly. Make
sure the bottom clear plastic plate of the scanner is flat against the surface to be scanned.
This will assure the proper scanning angle.
In addition to the data analysis screens you will also get a PCS analysis screen:
PCS 87 Req 75
Rmn 03% Rmx 90%
The top row of the display shows the calculated PCS. Req is the minimum PCS
required for the particular symbology.
The bottom row shows the minimum and maximum reflectance of the elements in the
symbol.
Rmx = maximum space reflectance (light)
Rmn = minimum bar reflectance (dark)
Note: The PCS is calculated as follows:
PCS = Rmx - Rmn
Rmx
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