Worth Data 701 RF Owner's Manual download pdf (Page 23)

3. Press “ENTER”.when you are finished entering data.

4. To clear the Preamble and return to the default (no Preamble defined), press “CLEAR”.

You can use the Preamble to trim characters from the data you are entering into the RF Terminal. You can trim from 1-15 char-

acters from the data by creating a preamble of:

where ~ is ASCII 126 and x is a single hex digit 1-F (corresponding to 1-15). Data that is shorter than the trim amount is transmit-

ted without trimming. Preambles trim characters from the front of the data. Here are some examples:

Data

Preamble

Data Transmitted

123

XYZ

XYZ123

12345678

~3XYZ

XYZ45678

12345678

12345678901

123456

Using the Bar Code ID feature and the Preamble, you can trim data selectively, trimming characters only on the bar code type

specified. To use selective trimming, enter:

~bx

where b is the Bar Code ID character (see the Code 128 setup parameter) and x is the number of characters to trim from the front of the

data. For example, ~b2~c1 says “trim 2 characters from Code 39 data and 1 character from UPC-A data”. Remember that the Preamble

trims leading data. This applies to One-Way and host prompted communication.

Lastly, the Preamble can be used to check a minimum/maximum data length for bar code data entered. To check for bar code

length in the Preamble enter:

|nnmm

where | is ASCII 124, nn is the two-digit minimum and mm is the two-digit maximum. |0210 would check for a minimum of 2 characters

and a maxi-mum of 10. If you try to scan a bar code outside the minimum or maximum lengths, no decode will result. Entering data by

keypad is not affected.

Postamble

Postambles are user-defined data that is attached to the end of data (bar code or keyed) that is transmitted to the host by the RF

Terminal. For example, if you set a Postamble of @@ and scanned bar code data of 12345, 12345@@ would be transmitted to

the host.

 By default, the RF Terminal has no Postambles configured. Postambles can contain up to 15 characters. To set a Postamble:

 Select option “8” from the RF Terminal Setup menu then “2” for Postamble from the Other Settings menu.

 Enter the desired characters (up to 15). Pressing the shift key will turn the cursor red to indicate that the shift is active. Press-

ing shift again will turn the cursor white and return to unshifted mode..

 Press “ENTER”.when you are finished entering data.

 To clear the Postamble and return to the default (no Postamble defined), press “CLEAR”.

You can use the Postamble to trim characters from the data you are entering into the RF Terminal. You can trim from 1-15

characters from the data by creating a Postamble of:

where ~ is ASCII 126 and x is a single hex digit 1-F (corresponding to 1-15). Data that is shorter than the trim amount is transmit-

ted without trimming. Postambles trim characters from the end of the data. Here are some examples:

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 86 87

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Worth Data 701 RF Owner's Manual Page 23

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