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RS900
User Manual
V1.0
2014.12

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Summary of Contents for RCTimer RS900

  • Page 1 RS900 User Manual V1.0 2014.12...
  • Page 2: Disclaimer

    The manufacturer and seller assume no liability for any damage or injury arising from the use of this product. About The RS900 is designed for professional aerial photography and cinematography. It is user friendly, safe,stabilized and easy to fly while its integrated design makes assembly and configuration simple and fast.
  • Page 3: Table Of Contents

    Index Disclaimer About Index Cautions Legend In The Box Load Mounting Gear Mounting the Landing Gear Mounting Frame Arms Mounting Electronics and Wiring Instructions Connecting the flight controller to the center frame Connecting the flight controller and landing gear Installing Battery Setting Up the Landing Gear Mounting the Gimbal...
  • Page 4: Cautions

    6. Screws that already have blue glue can be used once without thread locker. On other occasions, apply appropriate thread locker first. 7. The RS900 should be lifted off the ground when testing landing gear or recalibrating servo travel. Flight Cautions 1.
  • Page 5 In The Box Center Frame ×1 Frame Arms ×6 Landing Skid Tubes ×2 Landing Gear Legs ×2 (with Silicone Rubber Dampers) GPS Collapsible Mount ×1 Screw x 1 Accessories Package ×1 M4 x 35 (Mounting frame arm) CW propellers ×5 M3 x 6 (Mounting landing gear) CCW propellers ×5 Magic tapes ×...
  • Page 6: Mounting The Landing Gear

    Load Mounting Mounting the Landing Gear Instructions 1. Put one landing gear leg ring onto each landing gear leg. 2. Insert the landing gear leg into connection point on the center frame. Affix in place with M3×8 screws. M3×8 (socket cap)
  • Page 7: Mounting Frame Arms

    (2) Ensure all motors are mounted firmly and rotate freely. (3) Mount all arms with red propeller covers to M1 and M2 to indicate the nose of the RS900. (4) Identify the CW and CCW marks on the arms. Mount the arms with the CCW mark to the M1, M3 and M5 positions of the center frame.
  • Page 8 User Manual 5. Gently lift the frame arm. 6. Twist the red knob to lock each arm in place. Be sure there is an audible click, which indicates a proper lock. Check the arm for movement. To store, untwist the knob and lower the frame arm. 7.
  • Page 9 User Manual 9. Connect the power cables to the center frame. Each cable must be screwed into a positive (+) or negative (- ) gold bracket. Each bracket will have two cables of the same color screwed into it. Red cables are positive and black cables are negative.
  • Page 10 User Manual 12. Replace the round cover of the center plate, and re-tighten the 4 screws (M3×8 self-tapping). Then replace the upper plate of the center frame, and re-tighten the 6 screws (M2.5×8 cheese). 13. Double check all frame arms. Arms M1 and M2 are the forward facing (nose), arms M4 and M5 are the tail.
  • Page 11: Mounting Electronics And Wiring

    Mounting Electronics and Wiring Eight positions are reserved for mounting a flight control system, wireless video transmission module, receiver, and other accessories. Instructions 1. Attach IMU module to the IMU area of the center frame. Ensure that it points toward the nose. 2.
  • Page 12 User Manual 4. Attach the GPS collapsible mount to the center frame using M2.5×8 screws. 5. Mount a GPS module to the GPS mount with a bracket. Ensure the arrow points toward the nose and avoid catching your fingers in the bracket when folding for transportation. 6.
  • Page 13 User Manual 7. Check that every anti-drop screw has been firmly installed in the reserved positions. Thread locker is recommended. (1) Remove the anti-drop screws to apply appropriate thread locker. (2) Replace and tighten. 8. Note that the dampers are 30° silicon rubber. If you use other dampers or vibration absorbing balls, the quality of your aerial photography may be affected.
  • Page 14: Connecting The Flight Controller To The Center Frame

    User Manual Connecting the flight controller to the center frame 1. Connect the flight control system according to your flight control system user manual. 2. Plug in the connector sets to the ESC signal outlet on the center frame. Then plug in the connector set to flight controller as shown below.
  • Page 15: Connecting The Flight Controller And Landing Gear

    User Manual Connecting the flight controller and landing gear If right and left servo cables are reversed, the landing gear will not function properly. Connect all wires carefully and neatly to avoid cable damage caused by frame edges.
  • Page 16: Installing Battery

    Installing Battery Soldering battery connectors AS150 spark- proof connectors are used. They must be soldered to your battery power cables. 1. Remove the original battery connectors. Avoid cutting the power and ground cables at the same time, as this can cause a short circuit. We recommend wrapping unsoldered cables with insulating tape to prevent accidental connections.
  • Page 17: Setting Up The Landing Gear

    User Manual Setting Up the Landing Gear Using a 2- position RC transmitter switch, landing gear retraction can be carried out remotely. Setting up the transmitter Select a 2- position switch (default setting is OK) as the control input for the landing gear. Ensure the corresponding receiver port is connected to the “IN”...
  • Page 18: Mounting The Gimbal

    Mounting the Gimbal Before assembling the gimbal, install the GCU as shown below. Be sure to install on the side as shown below. The connectors on gimbal should be removed for better performance, then the gimbal can be mounted to the lower connection points.

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