Gecko Compact Product User Manual
Also see for Blast: Product user manual
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Contents
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5Realtime Data Loop – Up ButtonPress the Up button from the Home screen to view real time sensor data.Sensor SignalThe first screen shows sensor output in real units in real time. These values are calculatedbased on the sensor and gain settings. Tap or shake the sensor to see the numbers change.Pressing the Right button on this screen will prompt you topress the Right button again to reset the zero level. TheZero Level is set based on the average signal level over thenext 2 seconds.If you have a 4-channel Gecko, the date and time line will not be shown, with channel Oappearing at the bottom with its live sensor units values shown as per the settings.Vector SumThe next screen Up shows the live vector sum of the 3D sensor, and holds the peak value.For 4-channel models, the live data from channel O is shown and its peak (max) value held.Pressing the Right button on this screen will prompt you topress the Right button again to clear the peak values.Raw SignalPressing Up again will display the raw numbers from the ADC in real time. The valuesshown are up to ±8,388,608 counts, which represents a signed 24-bit number.Pressing the Right button will prompt you to do so again toconfirm a reset of the zero level. If you have a 4-channelGecko, the date and time line will not be shown, withchannel O appearing at the bottom.Another feature of this screen is the ability to view the STA/LTA ratio in real time. The valueat the end of each line is the ratio of the average signal in the short term divided by theaverage signal in the long term. When nothing much is happening, this value will sit around1.0, but a short burst of anomalous signal will increase number. This number may assistyou in determining at what level to set your STA/LTA trigger threshold.Note: The STA/LTA value will only display if STA/LTA triggering is enabled.2019-04-01 11:52:18E: -0.0439408 mm/sN: 0.0360011 mm/sZ: -0.0011021 mm/s3D 0.1234567 mm/smax 11.1234567 mm/s1D 80.0360011 dBmax 101.0011021 dB2019-04-01 11:52:20E: -2,726 0.6N: 4,326 0.8Z: -356 1.2 |
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