SonTek/YSI
ADVField/Hydra Operation Manual (September 1, 2001) vii
5.3. Multiple System Operation Using RS485................................................................... 82
5.4. Analog Output Data .................................................................................................... 83
5.5. External Synchronization ............................................................................................ 84
5.6. Mounting and Handling the Sensor............................................................................. 85
5.7. Optional Integrated Sensors ........................................................................................ 85
5.8. Seeding Requirements................................................................................................. 86
5.9. Anti-Fouling Protection............................................................................................... 86
5.10. Routine Maintenance .................................................................................................. 87
5.11. Troubleshooting.......................................................................................................... 88
5.11.1. ADVField Setup and Configuration........................................................................ 88
5.11.2. General Diagnostics Software................................................................................. 88
5.11.3. Excessive Noise in Velocity Data ........................................................................... 89
5.11.4. Low Signal-to-Noise Ratio (SNR) .......................................................................... 89
5.11.5. Low Correlation ...................................................................................................... 89
Section 6. Additional Support / Repair Information.......................................................... 91
Appendix 1. ADVField Real-Time Data Output Formats...................................................... 93
A1.1. Real-Time Output Data – ASCII Format (to Serial Port)........................................... 93
A1.2. Real-Time Output Data – Binary Format (to Serial Port)........................................... 94
A1.2.1 Block Structures ...................................................................................................... 94
A1.2.2 Checksum Calculation............................................................................................. 96
Appendix 2. ADVField Autonomous Data Output Formats.................................................. 97
A2.1. Autonomous Output Data – ASCII Format (to Serial Port) ....................................... 97
A2.2. Autonomous Output Data – Binary Format (to Internal Recorder) ............................ 97
A2.2.1 Recorded Data Files ................................................................................................ 98
A2.2.2 Data Block Description ........................................................................................... 98
A2.2.3 Data Block Structures............................................................................................ 102
Appendix 3. Multiple ADVField/Hydra Operation using RS485........................................ 107
A3.1. Overview................................................................................................................... 107
A3.2. Setting System Address ............................................................................................ 108
A3.3. Cables and Connections............................................................................................ 108
A3.4. RS485 Software – General ....................................................................................... 108
A3.5. SonTerm – RS485 Operation.................................................................................... 108
A3.6. Real-Time Data Acquisition Software – RS485....................................................... 109
A3.7. ADFCheck and SonRec – RS485 ............................................................................. 109
INDEX...................................................................................................................................... 111
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