Motorola LI2208 Especificações descarregar pdf (Página 181)

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101

SYMBOLOGIES 9 - 37

Code 39 Security Level

Parameter # F1h EEh

The linear imager offers four levels of decode security for Code 39. Select increasing levels of security for

decreasing levels of bar code quality. There is an inverse relationship between security and linear imager

aggressiveness, so choose only that level of security necessary for any given application.

•

Code 39 Security Level 0: This setting allows the linear imager to operate in its most aggressive state,

while providing sufficient security in decoding most “in-spec” bar codes.

•

Code 39 Security Level 1: This default setting eliminates most misdecodes.

•

Code 39 Security Level 2: Select this option if Security level 1 fails to eliminate misdecodes.

•

Code 39 Security Level 3: If you selected Security Level 2 and misdecodes still occur, select this

security level. Be advised, selecting this option is an extreme measure against mis-decoding severely

out of spec bar codes. Selecting this level of security significantly impairs the decoding ability of the

linear imager. If you need this level of security, try to improve the quality of the bar codes.

Code 39 Security Level 0

(00h)

*Code 39 Security Level 1

(01h)

Code 39 Security Level 2

(02h)

Code 39 Security Level 3

(03h)

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