Flight Restriction For The Pilot - Airborne - AAD Vigil Cuatro User Manual

4. Flight restriction for the pilot - Airborne

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Vigil® Cuatro will work correctly even when used in a pressurized cabin as long as
the pressure differs at least ±3 hPa compared to the atmospheric air pressure at
take-off.
-Inside this zone, the Vigil® Cuatro is in stand-by status, measuring every
32 sec. With gradual recalibration every 2 minutes to the atmospheric air pressure.
Outside this zone, Vigil® Cuatro will go in fast measuring status, measuring
8 times per sec, with a fixed ground zero reference in a maximum delay of 32 sec.