GeoSIG Ltd.
GS_GSR_GCR_UserManual_V21.doc / 18.09.2009
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GSR / GCR / AS User Manual
5.1.1.1. GSR / AS Instruments ........................................................................................................... 14
5.1.1.2. GCR Instruments ................................................................................................................... 15
5.2. Triggering ............................................................................................................................................. 15
5.2.1. Internal Triggering......................................................................................................................... 16
5.2.1.1. Threshold Trigger .................................................................................................................. 16
5.2.1.2. STA/LTA Ratio Trigger .......................................................................................................... 16
5.2.2. Time Triggering ............................................................................................................................. 17
5.2.3. Software Triggering....................................................................................................................... 17
5.2.4. External Triggering (option) .......................................................................................................... 17
5.3. Triggering Guidelines ........................................................................................................................... 17
5.3.1. Threshold Trigger.......................................................................................................................... 17
5.3.2. STA/LTA Ratio Trigger.................................................................................................................. 17
5.3.2.1. Micro Event Detection............................................................................................................ 19
5.3.2.2. Local Earthquake Detection .................................................................................................. 19
5.3.2.3. Strong Motion Detection ........................................................................................................ 19
5.4. Data Recording..................................................................................................................................... 19
5.4.1. Event Directory.............................................................................................................................. 19
5.4.2. Recording Capacity....................................................................................................................... 20
5.4.3. Intensity Scale............................................................................................................................... 20
5.5. Clock..................................................................................................................................................... 20
5.5.1. GPS Option ................................................................................................................................... 21
6. Troubleshooting and Maintenance.................................................................................21
6.1. Self Test ............................................................................................................................................... 21
6.1.1. Analog ........................................................................................................................................... 21
6.1.2. Hardware....................................................................................................................................... 22
6.1.3. Real Time Clock RTC ................................................................................................................... 23
6.1.4. Battery........................................................................................................................................... 24
6.1.5. Memory ......................................................................................................................................... 24
6.2. Maintenance ......................................................................................................................................... 25
Index ..................................................................................................................................27
Appendices:
Appendix B. GSR / GCR / AS Connectors
