Code CR3500 - Manual (Page 46)

C004387_07_CR3500_User_Manual - 40 Save Settings
The Code Reader can read Optical Character Recognition (OCR) texts. The following codes can be used to enable/disable this feature.
Fonts supported include Passport, ISBN, Price, MICR13, and a user defined template:
Disable OCR (Default) Enable OCR
Purchase of OCR license required.
Note: See Reader Host Interface Document for more details.
3.15 - MSI Plessy Symbology
Scan the following codes to enable/disable MSI Plessy symbology settings:
MSI Plessy On MSI Plessy Off (Default) Sample MSI Plessy
3.18 - PDF 417 Symbology
Scan the following codes to enable/disable PDF 417 symbology settings:
PDF 417 On (Default) PDF417 Off Macro PDF 417 On
Macro PDF 417 Off (Default) Sample PDF 417 Code
3.16 - NEC 2 of 5 Symbology
Scan the following codes to enable/disable NEC 2 of 5 symbology settings:
NEC 2 of 5 On (Default) NEC 2 of 5 Off
3.17 - Optical Character Recognition (OCR)