# Universal Menu Book/Code options/Setting code specific options/Options for MSI-Plessey

### From OptiWiki

MSI Plessey is a variable length symbology with one or two optional check digit calculations CD1 and CD2 and non printable start/stop characters. The following characters are supported:

- The digits 0 up to 9

The checksum is calculated as the sum modulo 10 or 11 of the data characters. The checksum CD2 is calculated as the sum modulo 10 or 11 of the data characters and CD1. For string format see figure 3.28.

**Options for MSI/Plessey:**

- Disable check digit check
- Selection of the check digit calculation
- Selection of the number of check digits to be transmitted

**Check digit:**

If the check digit calculation is required, then the appropriate calculation method must be selected.

**Not transmit CD:**

The character positions CD1 and CD2 are not transmitted.

**Transmit CD1:**

The character position CD2 is not transmitted.

**Transmit CD1 and CD2:**

All characters in the label are transmitted.

SET | ||

Not check CD | 4A | File:Menulabel 4A.png |

Check 1 CD = MOD 10 | 4B | File:Menulabel 4B.png |

Check 2 CDs = MOD 10/MOD 11 | 4C | File:Menulabel 4C.png |

Check 2 CDs = MOD 10/MOD 11 | 4D | File:Menulabel 4D.png |

Check 2 CDs = MOD 11/MOD 11 | 4R | File:Menulabel 4R.png |

Not transmit CD | 4G | File:Menulabel 4G.png |

Transmit CD1 | 4E | File:Menulabel 4E.png |

Transmit CD1 and CD2 | 4F | File:Menulabel 4F.png |

END |