Instruction manual

ii Packet Reference Manual
About Memory Buffers ...................................................................................................... 2-16
Buffer Worksheet.......................................................................................................... 2-16
Buffer Allocation Considerations..................................................................................... 2-17
Memory Considerations with Downloaded TrueType Fonts ................................................ 2-17
Clearing Packets from Memory .......................................................................................... 2-17
Using the Font Packet ...................................................................................................... 2-18
Uploading Format Header Information ................................................................................ 2-20
DEFINING FIELDS .................................................................................................................. 3-1
Defining the Format Header ................................................................................................ 3-1
Defining Text Fields ........................................................................................................... 3-2
Defining Bar Code Fields .................................................................................................... 3-6
Defining Constant Text Fields............................................................................................ 3-15
Defining Line Fields ......................................................................................................... 3-18
Line Types ................................................................................................................... 3-18
Defining Box Fields .......................................................................................................... 3-19
DEFINING FIELD OPTIONS...................................................................................................... 4-1
Applying Field Options........................................................................................................ 4-1
Combining Field Options.................................................................................................. 4-1
Using Option 1 (Fixed Data)................................................................................................ 4-2
Using Option 2 (Data Type Restrictions)............................................................................... 4-2
Using Option 4 (Copy Data) ................................................................................................ 4-3
Merging Fields................................................................................................................ 4-3
Sub-Fields ..................................................................................................................... 4-4
Using Option 30 (Pad Data) ................................................................................................ 4-4
Sample Use for Padding.................................................................................................. 4-4
Using Option 31 (Calculate Check Digit)............................................................................... 4-4
Using Option 42 (Price Field) .............................................................................................. 4-5
Using Option 50 (Bar Code Density)..................................................................................... 4-5
Using Option 51 (PDF417 Security/Truncation) ..................................................................... 4-6
Using Option 52 (PDF417 Width/Length) .............................................................................. 4-7
Using Option 53 (Optional Settings for Aztec) ....................................................................... 4-7
Using Option 60 (Incrementing/Decrementing Fields)............................................................. 4-8
Fixing the First Number in the Incrementing Sequence ....................................................... 4-8
Using Option 61 (Re-image Field)........................................................................................ 4-9
Using Check Digits........................................................................................................... 4-10
Sum of Products Calculation .......................................................................................... 4-10
Sum of Digits Calculation .............................................................................................. 4-11