Specifications

WB – Mode 1 Bandwidth Control ......................................................................................................74
WC – Low Correlation Threshold ......................................................................................................75
WD – Data Out..................................................................................................................................76
WF – Blank after Transmit ................................................................................................................76
WN – Number of Cells ......................................................................................................................77
WP – Pings Per Ensemble................................................................................................................77
WS – Cell Size ..................................................................................................................................78
WV – Ambiguity Velocity...................................................................................................................78
11 Channel Master PD0 Output Data Format .................................................................................... 79
11.1 Header Data Format .........................................................................................................................81
11.2 Fixed Leader Data Format ................................................................................................................83
11.3 Variable Leader Data Format............................................................................................................88
11.4 Velocity Data Format ........................................................................................................................92
11.5 Correlation Magnitude, Echo Intensity, and Percent-Good Data Format ..........................................94
11.6 Surface Track Status Output.............................................................................................................98
11.7 Surface Track Amplitude Output .....................................................................................................101
11.8 Surface Track Commands Output...................................................................................................103
11.9 Binary Reserved BIT Data Format ..................................................................................................105
11.10 Binary Checksum Data Format .......................................................................................................105
12 Channel Master PD14 Output Data Format ................................................................................ 106
12.1 Format ............................................................................................................................................106
12.2 Invalid Data .....................................................................................................................................106
13 How to Decode a Channel Master Ensemble............................................................................. 108
13.1 Rules for the Channel Master Data Format PD0.............................................................................108
13.2 Recommended Data Decoding Sequence for Data Format PD0.................................................... 109
13.3 Pseudo-Code for Decoding PD0 Ensemble Data ...........................................................................109
13.4 Example Code for Decoding Channel Master Ensembles ..............................................................110
14 Specifications ............................................................................................................................... 113
14.1 Outline Installation Drawings...........................................................................................................115
14.2 Mounting Plate Drawing..................................................................................................................118
15 Technical Support ........................................................................................................................ 118
16 Glossary ........................................................................................................................................ 119
List of Figures
Figure 1. Channel Master Inventory ............................................................................................... 4
Figure 2. Channel Master (300kHz) Overview................................................................................ 6
Figure 3. Channel Master Transducer (1200kHz) with Mounting Plate........................................... 7
Figure 4. Channel Master Housing View ........................................................................................ 7
Figure 5. Channel Master Connections with RS-232.................................................................... 10
Figure 6. Channel Master Connections with RS-232 to RS-422 Adapter...................................... 10
Figure 7. Channel Master Connections with SDI12 ...................................................................... 11
Figure 8. Connecting to the Channel Master with BBTalk............................................................. 14
Figure 9. Download Directory....................................................................................................... 14
Figure 10. Recover Loop Recorder ................................................................................................ 15
Figure 11. Connecting and Disconnecting the I/O Cable................................................................ 17
Figure 12. RS232/RS422 I/O Cable Overview and Wiring Diagram ............................................... 19
Figure 13. SDI-12 I/O Cable Overview and Wiring Diagram........................................................... 20
Figure 14. Removing the Housing.................................................................................................. 21
Figure 15. Disconnecting the Internal I/O Cable............................................................................. 22
Figure 16. Channel Master Assembly............................................................................................. 23
Figure 17. CMFlash Program ......................................................................................................... 28
Figure 18. Communication Settings ............................................................................................... 28
Figure 19. Start Screen .................................................................................................................. 29
Figure 20. Successful Firmware Upgrade Message ....................................................................... 29