Guralp Systems CMG-3ESPCD User Manual
Page 4
CMG-3ESPCD Digital Broadband Seismometer
6.6.3 CENTRE.............................................................................................................70
6.6.4 RE-BOOT...........................................................................................................71
6.7 Data storage and recovery........................................................................................71
6.7.1 SHOW-FLASH.................................................................................................. 71
6.7.2 DIRECT.............................................................................................................. 72
6.7.3 FILING............................................................................................................... 72
6.7.4 ADAPTIVE........................................................................................................ 72
6.7.5 FIFO................................................................................................................... 72
6.7.6 DOWNLOAD.....................................................................................................73
6.7.7 ALL-FLASH.......................................................................................................73
6.7.8 ALL-DATA.........................................................................................................73
6.7.9 STREAM............................................................................................................ 73
6.7.10 STATUS-ONLY...............................................................................................74
6.7.11 S/S.................................................................................................................... 74
6.7.12 ALL-TIMES.....................................................................................................74
6.7.13 FROM-TIME....................................................................................................74
6.7.14 TO-TIME......................................................................................................... 74
6.7.15 GO.................................................................................................................... 75
6.7.16 END-DOWNLOAD..........................................................................................75
6.7.17 DISKMENU.....................................................................................................75
6.7.18 MBTRANSFER................................................................................................76
6.7.19 ERASEFILE......................................................................................................76
7 Inside the 3ESPCD..........................................................................................................77
7.1 Inside the 3ESPCD...................................................................................................77
7.1.1 The sensors.......................................................................................................77
7.1.2 The control system............................................................................................77
7.1.3 The feedback system.........................................................................................81
7.2 Inside the DM24....................................................................................................... 85
7.2.1 Architecture......................................................................................................85
7.2.2 Updating firmware with an EAM.....................................................................87
7.2.3 Updating firmware with Scream!.....................................................................87
8 Appendix A - Connector pin-outs...................................................................................90
8.1 GPS port.................................................................................................................... 90
8.2 DATA OUT port.......................................................................................................91
8.3 FIREWIRE port.........................................................................................................92
8.4 AUXILIARY port (optional).....................................................................................93
9 Appendix B - Sensor Specifications...............................................................................94
10 Appendix C - Digitiser specifications..........................................................................95
11 Revision History............................................................................................................ 97
4
Issue B - November 2013