Worth Data LZ404-RF Setup Guide download pdf (Page 18)

Note: If you are using the 2D 520-RF then refer to the 2D setup chart starting on page 24.

Postamble

"Postamble" refers to a user-specified data string transmitted at the end of each bar code. For instance, if you

specify the postamble @@ and read data of 123456, "123456@@" would be transmitted to your computer.

The default is no postamble. To select a postamble, scan up to 15 characters from the "FULL ASCII MENU"

on the back of the Reader Setup Menu, and then scan SET when you're done. To return to the no postamble

setting, scan CLEAR here instead of scanning SET or any characters from the FULL ASCII MENU.

You can trim 1-15 trailing characters from bar code codes by scanning a ~ (tilde -- ASCII 126) followed by a

single hex digit, 1 through F. (Bar codes which are shorter than the amount-to-trim are transmitted without

trimming.) Consider the examples in the following table to understand the options of the Postamble:

Bar Code Data

Postamble

Data Transmitted

123

XYZ

123XYZ

12345678

~3XYZ

12345XYZ

12345678

12345

123456

Bar codes that are shorter than the sum of the Postamble trimming and Preamble trimming will be transmitted without

trimming. Selective trimming and min/max bar code data is also supported through Postamble specifications, (See

Preamble above for complete details).

Characters

This setup option allows you to output ASCII characters different from the ones scanned.

For example: Suppose you want to output a hex 92 character every time you scan a 1 (hex 31); you want to

remap hex 31 to hex 92, (If you're using 8 data bits, output of 80-F8 codes is possible.)

1) Scan the Start Setup Bar Code

2) Scan the Characters Bar Code on the Setup Sheet.

3) Scan 3 1 and 9 2 to output hex 92 when reading a "1".

4) Scan up to 7 other pairs of character reassignments.

5) Scan Set when complete.

6) Scan End Setup to exit setup mode.

Hex values for each character code are shown on the Full ASCII Menu. The equivalent decimal values are

also shown for each character.

You can also eliminate characters by reassigning hex codes to FF. For example, to strip all $ (dollar sign)

characters from transmission, you would follow the above instructions and scan 2 4 F F in step 3.

Reset

Once you are in the Setup Mode, don't scan Reset unless you're sure you want to restore the RF Laser to its

default settings (as described on page 5), erasing all changes you've made.

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Worth Data LZ404-RF Setup Guide Page 18