Motorola MS4404 用户手册

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页码 310
Symbologies 11 - 27
Set Lengths for Code 39
Parameter # L1 = 12h, L2 = 13h
The length of a code refers to the number of characters (i.e., human readable characters), including check digit(s) 
the code contains. Set lengths for Code 39 to any length, one or two discrete lengths, or lengths within a specific 
range. If Code 39 Full ASCII is enabled, Length Within a Range or Any Length are the preferred options.
One Discrete Length - Select this option to decode only Code 39 symbols containing a selected length. 
Select the length using the numeric bar codes in 
. For example, to decode 
only Code 39 symbols with 14 characters, capture Code 39 - One Discrete Length, then capture followed 
by 4. To correct an error or change the selection, capture Cancel on
.
Two Discrete Lengths - Select this option to decode only Code 39 symbols containing either of two 
selected lengths. Select lengths using the numeric bar codes in 
. Fo
example, to decode only those Code 39 symbols containing either 2 or 14 characters, select Code 39 - Two 
Discrete Lengths
, then capture 02, 1, and then 4. To correct an error or change the selection, 
capture Cancel on
.
Length Within Range - Select this option to decode a Code 39 symbol with a specific length range. 
Select lengths using numeric bar codes in 
For example, to decode 
Code 39 symbols containing between 4 and 12 characters, first capture Code 39 - Length Within Range
Then capture 041, and 2 (single digit numbers must always be preceded by a leading zero). To correct an 
error or change the selection, capture Cancel on
Any Length - Select this option to decode Code 39 symbols containing any number of characters within the 
imager capability.
NOTE
When setting lengths for different bar code types by decoding single digit numbers, single digit numbers 
must always be preceded by a leading zero.