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20Settings FileYou can save the configuration of your Gecko to a text file. Simply enter the “Settings File”menu located at the bottom of the main menu.Configuration FileLoad Settings> Save SettingsReset to FactoryUse the Right button to select the action. When saved, a file called “user-settings.dat” iswritten to the top level folder of the SD card. Similarly, using the Load command will read inthis file and apply the settings contained therein. If a user-settings.dat file does not exist,no settings will be changed.You can also return all settings to factory default values by selecting the last menu item.Please ensure you have a copy of the user-settings.dat text file to use as a reference beforereturning the settings to factory defaults.Start CalibrationSome sensors include circuitry to test the response of the sensor components to a knowninput signal. The Gecko can generate a signal (voltage step or sine wave) or simply initiatethe sensor’s own calibration routine. If your 3D sensor has a calibration duration setting,this menu item will be visible and initiated by pressing the Right button.E: -2,726N: 4,326Z: -356 ON DELAY 45 CALSIG ON 30 OFF DELAY 45Once started, the raw ENZ channel values are shown in real time. The bottom line showsthat you can press Left to abort the calibration process, and also shows a countdown timerdescribing the current stage of the process.There are three stages to the process – the on-delay, the signal, and the off-delay. For stepcalibrations, each stage runs for the “calibration duration” in the sensor setting. For sinewave calibrations the delay periods are only a few seconds. The start delay allows thesensor to settle after the test circuitry is switched on before the signal is applied, and theend delay allows the sensor to respond to the signal being removed.The sensor should not be disturbed during the test process. View the files in yourcontinuous data archive to see how the sensor responded compared to past tests.
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