Rockwell Automation 2755 Decoded Hand-Held Scanner - Manual (Page 45)

Scanner Configuration (for AdaptaScan Pass Through Cable) 2-11
Publication 2755-6.5
Select UPC / EAN Options (Continued)
Scan one of the symbols below to change the security level. The security
level determines the scanner’s ability to read labels without misreads.
Security Level 1
Security Level 0 *
Security Level 2
Security Level 3