Motorola DS3478 - Manual (Page 85)

Keyboard Wedge Interface 6 - 11
FN1 Substitution
Enable this parameter to replace any FN1 character in an EAN128 bar code with a user-selected keystroke. See
FN1 Substitution Values on page 14-6 .
Send Make and Break
Enable this to prevent sending the scan codes for releasing a key.
Enable FN1 Substitution
*Disable FN1 Substitution
*Send Make and Break Scan Codes
Send Make Scan Code Only