Download Symbol DS3578 Product Reference Guide (72E

User Preferences 5 - 17
FN1 Substitution Values
The keyboard wedge and USB HID keyboard hosts support a FN1 Substitution feature. Enable this to replace any
FN1 character (0x1b) in an EAN128 bar code with a defined value. This value defaults to 7013 (Enter Key).
1.
To select a FN1 substitution value, scan the following bar code.
Set FN1 Substitution Value
2.
Enter the 4-digit FN1 substitution (ASCII) value by scanning each digit in Appendix D, Numeric Bar Codes. See
the ASCII Character Set table for the host interface.
To correct an error or change the selection, scan CANCEL.
To enable FN1 Substitution for keyboard wedge, scan the Enable Keyboard Wedge FN1 Substitution bar code on
page 6-11.
To enable FN1 Substitution for the USB HID keyboard, scan the Enable USB Keyboard FN1 Substitution bar code
on page 8-10.
Transmit “No Read” Message
Scan one of the following bar codes to select whether or not to transmit a “No Read” message. When enabled, the
characters NR transmit when a bar code is not decoded. When disabled, if a symbol does not decode, nothing
transmits to the host.
NOTE
If you enable Transmit No Read, and also enable Symbol Code ID Character or AIM Code ID Character
for Transmit Code ID Character on page 5-13, the scanner appends the code ID for Code 39 to the NR
message.
Enable No Read
*Disable No Read