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b) Before Commissioning
• Switch on the transmitter and then the helicopter. This is the only way for an attunement function to take
place between transmitter and receiver, so that your model will react reliably to the control commands
of your transmitter.
• Check the functional safety of the model and remote control system. Watch out for any visible damage
such as defective plug connections or damaged cables. All moving parts on the model must run smoothly
but must not have any tolerance in the bearing.
• The flight battery required for operation must be charged before operation. Ensure that the batteries in
the transmitter have a sufficient remaining capacity (observe the voltage display). If you are using batter-
ies and they are empty, always replace the complete set, never individual cells only.
c) During Operation
• Do not take any risks when operating the product! Your own safety and that of your environment depends
completely on your responsible use of the model.
• Improper operation can cause serious damage to people and property! Therefore make sure to keep a
sufficiently safe distance from persons, animals or objects during operation. Never try to grab the flying
model with your hand!
• Fly your model only if your ability to respond is unrestricted. The influence of tiredness, alcohol or medi-
cation can cause incorrect responses.
• Motors, motor regulator and flight battery can heat during operation. For this reason, wait for 5 to 10 min-
utes before recharging or replacing the flight battery or taking off again with a second, already-charged
flight battery.
• Leave the remote control (transmitter) switched on while the model is in operation. After landing, always
disconnect the flight battery from the helicopter before switching off the remote control.
• Never switch off the remote control while the model helicopter is still in operation.
• Never expose your model and the remote control system to direct solar irradiation or great heat for an
extended period.