Consider the symbol grade as the average resulting from scans you take from all over the symbol. The ISO/IEC standard requires you to obtain ten scans of each symbol.
For example, you might sample the symbol at ten different paths in the symbol
—four in the upper portion, two in the middle and four in the lower portion. Multiple scans of the same symbol across different scan paths take advantage of the vertical redundancy of bar codes and give you a more accurate value of the symbol’s overall print quality.
♦To change the test criteria:
1.Display the menu that begins with Print Results (press POWER and then SELECT).
2.Set the cursor on the asterisk next to Change Settings and then press SELECT. A menu that begins with Specifications appears.
3.Set the cursor on the asterisk next to Test Criteria and then press SELECT. A menu that begins with Passing appears.
•To change the pass/fail criteria, set the cursor on the asterisk next to the term Passing and then press SELECT or →. The cursor moves to the right of Passing. Press ↑ and ↓ until the grade (Trad’l, ISO/IEC
“A,” ISO/IEC “B,” ISO/IEC “C,” ISO/IEC “D,”) you want appears. To save the selection, press SELECT, POWER or ←. The cursor moves back to the asterisk next to Passing.
•To change the Decodability, set the cursor on the asterisk next to Decodability and then press SELECT or →. The setting changes between ISO/IEC and Avg.
•To change the Grades, set the cursor on the asterisk next to Grades and then press SELECT or →. The setting changes between Letters and Numbers.
•To change the number of scans used to determine the final ISO/
IEC Symbol Grade, set the cursor on the asterisk next to #Scans/ Symbol and then press SELECT or →. The cursor moves to the right of the terms #Scans/Symbol. Press ↑ and ↓ until the numeric value
you want (1 through 10, 12, 15, 20, 30, 50, 100 or Var) appears. To save the selection, press SELECT or ←. The cursor moves back to the asterisk next to #Scans/Symbol.
When you exit any menu (press POWER), all the displayed parameter choices are saved.
4.To return to the previous menu, press POWER.
To scan a symbol, set the wand on the symbol’s quiet zone.
Changing the Scanning Options
The scanning options apply to the general operation of the Quick Check 600/800 Verifier. You can change the following options:
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