Hand Held Products IT4800 Manuel D’Utilisation

If your imager is in keyboard wedge mode, enable Screening by scanning the 
following bar codes.

You can exit both Full Report and Screening modes by either typing the menu 
command, 2D_PQA0, if you are using Quick*View, or by scanning the following 
bar code:

To identify content or "format" aspects of a symbol, 2D PQA modes report the 
less than obvious characteristics of a symbol.  For quality determination, 2D 
PQA reports those parameters that both relate directly to the print or creation 
process, and that also remain relatively consistent over a range of hand held 
reading situations. 

In the 2D PQA Full Report mode, successful scans of a 2D symbol output a 
message similar to the following (with slight variations based upon the symbol-
ogy being tested):

This is a representative PDF417 symbol

 >>> PQA from HHP <<<

PDF417: 11 rows x 3 cols, 25 data & 8 chks (ECL = 2)

 X roughly = 0.014"

[A] < Row Height = 3.1 X

[A] < Useful Row Height = 2.5 X (82% Row)

[A] < Data Safety Margin = 100% (0 Erasures & 0 Errors)

[B] < Edge Accuracy = 59%

[C] < Print Growth = -43% of X

Minimum Acceptable 

Grade = D

Minimum Acceptable 

Grade = B

Minimum Acceptable 

Grade = C

Minimum Acceptable 

Grade = A

Exit