Geometrics MagArrow, User Manual

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Clicking Status on the top menu bar will bring you to the Status page. On this page, you will see similar
information as on the Home page. Refresh the page by swiping down on the page. This will update the
status information on the page.
Instrument Status
Recording: Yes/No - This indicates if the system is currently saving data to the SD card or not.
Time Since Boot: 1404 Seconds - This conveys how long the system has been running, in seconds.
Maximum Storage Write Time: 40mS - This shows the maximum time it takes to write information to
storage.
This will have no practical use during survey operations and should only be used for
troubleshooting or receiving support from Geometrics.
Readings Stored Since Boot: 0 - This shows how many records have been stored since system boot.
Magnetometer
Instrument Mode: Running/Starting - This shows that the magnetometers are currently running and
operating normally.
Starting means the magnetometer sensors are warming up. It is very likely that you will not see
the Mode as Starting since it only takes one minute or two for the sensors to warm up. Running
means that the sensors are currently running and operating normally.
The chart in the middle of the page provides sensor specific information.
Sensor Mode: Starting/Normal - This tells us the current mode/Status of each sensor.
Starting means the sensor is warming up. It is very likely that you will not see Starting since it
only takes one minute or two for the sensors to warm up. Normal means that the sensors are
currently running and operating normally.
Field: 36146.0234nT - This shows the last reading measured by the sensor when the browser was last
updated. Clicking Status again will refresh the page and update this value.
Data Valid: Yes/No - This indicates whether the data being recorded is valid. No may be displayed here
if the system is very close to a large magnetic gradient that is above the gradient tolerance.
Instrument Time: 2018-10-20 4-17-22 - This shows UTC date and time from the GPS.
GPS
Quality: Unavailable/OK/Low Precision - This displays the current status of the GPS.
Unavailable means that the GPS has not locked on to enough satellites. OK means that the
Horizontal Dilution of Precision is less than 1.5. Low Precision means that the Horizontal
Dilution of Precision is greater than 1.5.