312 NW-7Bar Code Symbol (entire width of bar code)6. Bar Code Height3. Data Character5. Character Gap4. Check Character2. Start Character2. Stop Character1. Quiet Zone 1. Quiet ZoneName Description1 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 samecharacter for both start and stop characters.3 Data Character On NW-7 bar code, a character consists of seven “Narrow” and “Wide” elements; fourbars and three spaces.4 Check Character Used to check if the read data is correct or not by putting the value calculated with thecertain 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 widthas 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
