Hand Held Products IT4800 User Manual

Page 11

Advertising
background image

1 - 7

D

if Useful Height >= 1.0 X, else

F

otherwise

In Screening modes, this parameter is reported as "Useful Row Height is Too
Short (1.5X)" when that is the case.

{7} lists the Data Safety Margin, which is the ratio of the unused error correc-

tion words to the recommended (!) number of such words. Data Safety Mar-
gin can exceed 100%, when the ECL is higher than the minimum
recommended, or be limited to 50% or lower, even with perfect printing,
when the ECL is below minimum. The grade is assigned as:

A

if Safety Margin >= 62%, else

B

if Safety Margin >= 50%, else

C

if Safety Margin >= 37%, else

D

if Safety Margin >= 25%, else

F

otherwise

In Screening modes, this parameter is reported as "Low Data Safety Margin
(44%)" when that is the case.

{8} lists the Edge Accuracy measured in the Start or Stop patterns. The grade

is assigned as:

A

if Edge Accuracy >= 62%, else

B

if Edge Accuracy >= 50%, else

C

if Edge Accuracy >= 37%, else

D

if Edge Accuracy >= 25%, else

F

otherwise

In Screening modes, this parameter is reported as "Poor Edge Accuracy (59%)"
when that is the case.

{9} lists the Print Growth measured in the Start or Stop patterns (the growth of

the dark modules or "bars"). The grade is assigned as:

A

if Print Growth is between +/- 20%, else

B

if Print Growth is between +/- 30%, else

C

if Print Growth is between +/- 40%, else

D

if Print Growth is between +/- 50%, else

F

otherwise

In Screening modes, this parameter is reported as "Excessive Print Growth
(33%)" or "Excessive Print Shrinkage (-43%)" when those are the cases.

Advertising
This manual is related to the following products: