Panasonic LP-400 Series, Operation And Maintenance Manual

Page: 312 / 334

312
„
NW-7
Bar Code Symbol (entire width of bar code)
6. Bar Code Height
3. Data Character
5. Character Gap
4. Check Character 2. Start Character
2. Stop Character
1. Quiet Zone 1. Quiet Zone
Name Description
1 Quiet Zone Certain spacing is necessary for the back and forth to scan the barcode.
2 Start/Stop Character The particular characters to indicate the start and end of the bar code.
It has four types of start/stop characters (A, B, C, D). This product uses the same
character for both start and stop characters.
3 Data Character On NW-7 bar code, a character consists of seven “Narrow” and “Wide” elements; four
bars and three spaces.
4 Check Character Used to check if the read data is correct or not by putting the value calculated with the
certain formula (modulus 16) on just before the stop character for re-calculation.
5 Character Gap The space between two adjacent characters. In this laser marker, it has the same width
as the narrow element.
6 Bar Code Height Usually 5 mm or 15% of the symbol width excluding the quiet zone, whichever is greater.
Content of code data
• The NW-7 bar code can indicate numerical characters (0 to 9) and symbols (-, $, :, /, . , +).
ME-LP400V-OP-6