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12.7 Miscellaneous
■
Observe the laws concerning the use of cameras for surveillance purposes.
■
Consult an expert when in doubt about operation, safety or connection of the device.
■
Maintenance, modifications and repairs are to be performed exclusively by an expert
or at a qualified shop.
■
If you have questions which remain unanswered by these operating instructions,
contact our technical support service or other technical personnel. See '34. Product
support' on page
40.
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
statuses and buzzer behaviour.
The following are indicated or monitored:
■
Properly bound transmitter
■
Signal strength
■
Flight mode
■
Permanent reception interferences (Emergency landing is initiated after approx. 5 s,
motors are turned off automatically)
■
Flight battery condition (Connecting a non-fully charged battery to the Navigator 250
can lead to undervoltage detection, thus the motors will not start.)
■
Permanent voltage undercut of flight battery (Emergency landing is initiated, motors
and LEDs are turned off automatically)
■
Motor blockage (All motors are turned off when one or more propellers are blocked).
14 | Protect Your Model
13.2 Accident prevention
Careless operation can cause serious damage and injury. Observe the following:
■
Only fly the Navigator 250 outdoors and during good weather conditions.
■
Do not fly the Navigator 250 during adverse weather (rain, snow, strong winds, etc.).
■
Do not fly without having covered the electronics (canopy (2)). Ensure no moisture
enters the body. Never fly when it rains!
■
Keep a clearance area of at least 20 x 20 m.
■
Do not fly the Navigator 250 in the vicinity of people and animals.
13.2.1 Learn from experienced pilots
for an overview of LED
We recommend you consult a model craft flight 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
We strongly advise you to refrain from stunts until you
master the Navigator 250 in normal flying conditions.
The best learning experience is provided by pilots who
have experience in flying this type of aircraft.
Fig. 1
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