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5 System configuration 32
5.1 Web Page login.......................................................................................................32
5.2 System status..........................................................................................................33
5.3 Station meta-data....................................................................................................34
5.4 Network configuration..............................................................................................35
5.4.1 I.P. address and gateway.................................................................................35
5.4.2 NTP (Network Timing Protocol) configuration..................................................36
5.5 GDI push (auto-connection)....................................................................................37
5.6 QSCD.......................................................................................................................38
5.7 Data storage............................................................................................................38
5.8 Storage....................................................................................................................40
5.8.1 Recording status..............................................................................................40
5.8.2 MicroSD card re-formatting..............................................................................41
5.8.3 MicroSD card data flushing and unmounting...................................................42
5.8.4 Downloading recorded data.............................................................................42
5.8.5 Downloading data for specific time-intervals...................................................44
5.8.6 Bulk data extraction..........................................................................................45
5.8.7 The contents of the microSD card...................................................................45
5.8.8 Request data from microSD card.....................................................................48
5.9 Data transmission....................................................................................................51
5.9.1 Scream! (GCF format + Scream protocol).......................................................52
5.9.2 GDI-link protocol...............................................................................................53
5.9.3 SEEDlink protocol............................................................................................53
5.10 Synchronisation of the sample-clock.....................................................................57
5.10.1 GNSS lock status...........................................................................................58
5.10.2 PTP (Precision Time Protocol).......................................................................59
5.11 Deploy mode: Full power-save..............................................................................62
5.12 Configuration and control of connected analogue instruments............................64
5.12.1 Setting instrument type..................................................................................64
5.12.2 Setting instrument (sensor) gain for G ralp Fortis.........................................64
5.12.3 Setting digitiser gain.......................................................................................65
5.12.4 Mass control...................................................................................................65
5.12.5 Instrument response parameters...................................................................66
5.13 Configuration and control of connected digital instruments..................................71
5.14 Setting sensor orientation and depth parameters.................................................71
5.14.1 Applied rotation..............................................................................................71
5.14.2 Instrument installation parameters.................................................................71
5.14.3 Inject a calibration signal................................................................................72
5.15 Transforms.............................................................................................................73
5.15.1 Pass-through..................................................................................................75
5.15.2 Differentiation.................................................................................................75
5.15.3 1st order LPF...................................................................................................76
5.15.4 1st Order HPF.................................................................................................76
5.15.5 1st Order Band/Notch filter..............................................................................77
5.15.6 2nd Order biquad.............................................................................................78
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