NOTICE All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon Hobby, LLC. For up-to-date product literature, visit horizonhobby.com and click on the support tab for this product. Meaning of Special Language The following terms are used throughout the product literature to indicate various levels of potential harm when operating this product: NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND a little or no possibility of injury.
Warranty and Service Contact Information ...... 20 Understanding the Primary Flight Controls ...... 10 FCC Information .............. 21 Flying the 250 CFX ............11 IC Information ..............21 Advanced Settings ............11 Compliance Information for the European Union ....21...
First Flight Preparation Flying Checklist • Remove and inspect contents ❏ Always turn the transmitter on fi rst • Begin charging the fl ight battery ❏ Plug the fl ight battery into the lead from the ESC • Program your computer transmitter ❏...
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DX7s, DX8 SYSTEM SETUP FUNCTION LIST Model Type Servo Setup Chan Travel Reverse Chan Travel Reverse HELI 100/100 Normal 100/100 Normal Swash Type 100/100 Normal 100/100 Normal 1 servo Normal 100/100 Normal 100/100 Normal F-Mode Setup 100/100 Normal Flight Mode F Mode D/R &...
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DX7 (G2), DX8 (G2), DX9, DX18, DX20 SYSTEM SETUP FUNCTION LIST Model Type Servo Setup HELI Chan Travel Reverse Chan Travel Reverse 100/100 Normal 100/100 Normal Swash Type 100/100 Normal 100/100 Normal Normal 100/100 Normal 100/100 Normal F-Mode Setup 100/100 Normal 100/100 Normal...
Installing the Flight Battery 1. Lower the throttle stick to the lowest position. CAUTION: Connecting the battery to the ESC with reversed polarity will cause damage to the 2. Power ON the transmitter. ESC, the battery or both. Damage caused by incorrectly 3.
Return 250 CFX to descend rapidly. the collective stick to 50% and release the Panic Switch • This mode is intended to provide the pilot with the confi - to turn off Panic Recovery and return to the current fl...
Control Tests Ensure the throttle hold is ON when doing the direction If the controls do not react as shown in the illustrations control tests. Test the controls prior to the fi rst fl ight to below, confi rm the transmitter is programmed correctly ensure the servos, linkages and parts operate correctly.
Understanding the Primary Flight Controls If you are not familiar with the controls of your 250 CFX, take a few minutes to familiarize yourself with them before attempting your fi rst fl ight. Collective Left Side View Left Side View...
During storage, make sure the battery charge does not fall below 3V per cell. Advanced Settings The 250 CFX default settings are appropriate for most WARNING: To ensure your safety, always users. We recommend fl ying with the default parameters disconnect the motor wires from the ESC before making any adjustments.
4. Cyclic Response (Default 100%) 6. Tailrotor I Gain Adjustment (Default 100%) Higher cyclic response will result in a more aggressive Higher gain results in the tail remaining still. If the gain is cyclic response. raised too far, low speed oscillations may occur. Lower cyclic response will result in a less aggressive Lower gain will result in the tail drifting in fl...
The current gain value for the selected parameter is Swash Position Gain Value indicated on the Flight Log screen and by the angle of the Full backward swashplate (forward or backward) as shown in the table 50% backward at the right. Level forward and backward 100% Move the cyclic stick forward or backward to adjust the...
Trim Flight Perform this procedure if the model is not performing well or has been recently rebuilt from a crash. The trim fl ight procedure was performed during the factory test fl ight and only needs to be performed if you notice the model is not returning to level consistently or if the model does not remain still during stationary pirouettes.
Calibration Procedure If the Blade 250 CFX is experiencing drift issues after completing the trim fl ight procedure located at www.bladehelis.com, perform the following calibration. The calibration procedure may also be needed following crash repairs. WARNING: Before beginning the calibration procedure, disconnect the main motor and tail motor leads to prevent accidental motor startup during calibration.
Replace damaged parts before fl ying. Verify Rotors both main rotor blades have the correct and equal tension in the blade grips. When the helicopter is held up sideways, the main blades should support their own weight. When the helicopter is shaken lightly, the blades should fall.
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Helicopter vibrates or Damaged rotor blades, spindle or Check main rotor blades and blade grips for cracks or shakes in fl ight blade grips chips. Replace damaged parts. Replace bent spindle Verify the receiver is properly attached to the helicopter.
If you do not have internet access, please contact Horizon Non-Warranty Service Product Support to obtain a RMA number along with instruc- Should your service not be covered by warranty, ser- tions for submitting your product for service. When calling vice will be completed and payment will be required Horizon, you will be asked to provide your complete name, without notification or estimate of the expense unless...
FCC Information This device complies with part 15 of the FCC rules. Antenna Separation Distance Operation is subject to the following two conditions: When operating your (1) This device may not cause harmful interference, Spektrum transmitter, and (2) this device must accept any interference received, please be sure to maintain including interference that may cause undesired operation.
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