Instructions

14 | Protect Your Model
12.7 Miscellaneous
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Observethelawsconcerningtheuseofcamerasforsurveillancepurposes.
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Consultanexpertwhenindoubtaboutoperation,safetyorconnectionofthedevice.
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Maintenance,modicationsandrepairsaretobeperformedexclusivelybyanexpert
orataqualiedshop.
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If you have questions which remain unanswered by these operating instructions,
contactourtechnical supportserviceorothertechnicalpersonnel.See‘32. Product
support’ on page 39.
13. Protect your model
13.1 Safety features
TheNavigator250hasarangeofbuilt-insafetyfeatures,whichprotectthemodelfrom
damageand/orshouldreducepossibledamagetoaminimum.Youcanidentifysomeof
theprotectionmechanismsbyobservingthebehaviouroftheLEDs.
Pleaserefertothetable‘28.Statusindicationtable’onpage36 for an overview of LED
statusesandbuzzerbehaviour.
Thefollowingareindicatedormonitored:
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Properlyboundtransmitter
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Signalstrength
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Flightmode
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Permanentreceptioninterferences(Emergencylandingisinitiatedafterapprox.5s,
motorsareturnedoffautomatically)
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Flightbatterycondition(Connectinganon-fullychargedbatterytotheNavigator250
canleadtoundervoltagedetection,thusthemotorswillnotstart.)
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Permanentvoltageundercut ofightbattery(Emergencylanding isinitiated,motors
andLEDsareturnedoffautomatically)
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Motorblockage(Allmotorsareturnedoffwhenoneormorepropellersareblocked).
13.2 Accident prevention
We strongly advise you to refrain from stunts until you
master the Navigator 250 in normal ying conditions.
Carelessoperationcancauseseriousdamageandinjury.Observethefollowing:
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OnlyytheNavigator250outdoorsandduringgoodweatherconditions.
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DonotytheNavigator250duringadverseweather(rain,snow,strongwinds,etc.).
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Donotywithouthavingcoveredtheelectronics (canopy (2)). Ensure no moisture
entersthebody.Neverywhenitrains!
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Keepaclearanceareaofatleast20x20m.
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DonotytheNavigator250inthevicinityofpeopleandanimals.
13.2.1 Learn from experienced pilots
The best learning experience is provided by pilots who
have experience in ying this type of aircraft.
Werecommend you consult a model craft ight trainer or an experienced model craft
helicopterpilottoprovideyouthenecessaryguidancetogetstartedwiththeNavigator250.
13.3 Emergency stop
Incaseofanemergency,presstheemergency
stop button (left button (24)) at the rear to
immediatelyshutdownallrunningoperations.
See »Fig. 1
Fig. 1