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Trinity F90+ user manual
13 INSPECTION & REPAIRS
Do not do any other repair or maintenance work than the one listed. Contact your reseller for further repair assistance.
13.1 REPAIRING AND CLEANING THE AIRFRAME
Small cracks can be repaired by using polystyrene/styrofoam glue. In case of doubt, contact your reseller for further
assistance. To clean the airframe please use window cleaner and a microber cloth. Make sure to only use a small amount when
cleaning it.
13.2 CALIBRATING THE MAGNETOMETER
If the heading of the UAV is not correct, the magnetometer needs to be recalibrated. The heading needs to be checked before
each ight. The heading is not correct if the direction of the UAV displayed in QBase does not align with the direction of the
UAV.
Also the magnetometer needs to be recalibrated if the actual ight location is more than 50km away from the location where the
magnetometer was calibrated before.
Always calibrate the magnetometer outside. Make sure no buildings, cars or other obstacles that distract the calibration are
within 10 m (33 ft) around you.
Also make sure that no metal (like parking decks, steel buildings or other metal structures, ships, cars or other machines) or
any devices causing electric or magnetic elds (power lines, generators, mobile phones) are close.
For the calibration, the main body of the UAV, the battery pack and the transmitter are needed. Please do not carry your mobile
phone or similar items with you as they might disturb the calibration process.
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