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Operation
Man – Down function is using an integrated accelerometer. Tilt angle is calculated from this data:
There are a lot of side effects (e. g. vibration) which can affect measurements of accelerometer. That's why GH4200 has
an integrated filter, which helps to reduce the influence of such factors. Device reaction when Man – Down is enabled is
displayed in pictures below:
Man – down function is enabled and device position is changed more than 45 degrees PreAlarm is activated. If device
goes back to its true (base) position until PreAlarm time runs out – alarm is not activated. Device continues monitoring
its position.
Содержание GH4200
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