Harris HMX6801+B2/C2 - Manipulating Validity and User Bits (V-Bit and U-Bit)

HMX6801+B2/C2 and HMX6801+B4/C4 Installation and Operation Manual 77
Appendix A: Audio Bit Manipulation
Manipulating Validity and User Bits
(V-Bit and U-Bit)
22 5 Bytes 6 to 13 reliability flag S Y
• RX ignores bits
• TX passed bits
unmodified
22 6 Bytes 14 to 17 reliability flag S Y
• RX ignores bits
• TX passed bits
unmodified
22 7 Bytes 17 to 21 reliability flag S Y
• RX ignores bits
• TX passed bits
unmodified
23 0 to 7 CRC Y Y
• RX ignores bits
• TX calculates CRC on
output
Table A-2. Channel Status (C-Bits) Data Description (Continued)
Byte Bit Function RX TX Remarks
Table A-3. V-Bit and U-Bit Data Descriptions
Item RX TX Remarks
Validity (V) bit S Y
• RX optionally mutes data if
enabled
• TX passes bit unmodified
User (U) bit S Y
• RX ignores bits
• TX passed bits unmodified