Installations tips and guide for the 5014 DPS or 5114 DPS receiver

by Ben Minor

revised April 23, 2007
  1. The receiver should be wrapped in a minimum of 1/4 thick foam rubber and securely, but NOT rigidly, mounted to the airframe. Double sided tape provides much less protection from vibration and little, if any, protection to the receiver in the event of a mishap.

  2. All wiring should be neat and tidy and organized such the distance between the receiver's antenna and the wiring is maximized.

  3. Servos requiring extension leads should all use filtered extensions. Futaba part number AEC 20 is suggested for this purpose. In addition, any additional needs for servo extension leads in the model beyond the length provided by the filtered extensions should be fulfilled with only genuine Futaba parts.

  4. Careful antenna routing is important. The antenna should exit the radio compartment and associated wiring as soon as practical. In the case of helicopters, the antenna should NOT be routed closely alongside the main mechanics. Excess antenna length should NEVER be tied to a helicopter boom brace, in particular those composed of carbon fiber. The suggested positioning for the antenna in a helicopter routes the antenna directly out of the canopy and through a tube mounted along the landing gear struts, again as far away from the main mechanics as space allows.

  5. Any new radio installation should be carefully range checked. Ground range should be checked from all model orientations with respect to the transmitter. Especially in the case of helicopters where the receiver antenna is often very close to the ground, more consistent range check results will be seen if the model is elevated a few feet off the ground. A small nonmetallic box (e.g. wooden or cardboard) works well for this purpose.

  6. Earlier 72 MHz 5014 DPS receivers with non - 55cm length antennas may be installed as per the above notes with their antennas at full length. If problems with spurious lock outs/hold conditions are encountered AFTER all installation notes have been followed and the model has been thoroughly checked for sources of interference, then the antenna length may be modified to 55cm as measured from the outside of the receiver's case to the antenna tip. It cannot be overstressed that the shortened antenna will not solve difficulties whose root cause lies in an inappropriate receiver installation.

  7. Many modelers are using voltage regulators in their models alongside the 5014 DPS or 5114 DPS receiver. Futaba makes no recommendations for the use of such regulators with their products, but the following advise should be heeded:

    1. Not all voltage regulators are created equally. Inexpensive and poorly heat sinked regulators may fail to provide rated current under load and, worse, may introduce unwanted RF noise into the radio system that can lead to lock outs.

    2. Before the installation of any regulator, a base line ground range check should be completed using a straight, unregulated power system such as a 4.8 volt NiCd through a Futaba switch harness. After establishing maximum ground range from all orientations of the model, the regulated power supply may be installed and the ground range check repeated. For models requiring that regulated power supplies be used from the beginning due to the number of servos employed, a baseline range check can still be accomplished by mounting the receiver in its intended location in the model and hooking up just a few servos to a straight, unregulated power supply as described above. With experience and methodical range checks, it will become apparent to the modeler when the range of the 5014DPS or 5114DPS receiver is being adversely affected. Models exhibiting these issues should not be flown.

    3. As was the case with all other wiring in the model, the distance between the receiver and its antenna and the voltage regulator should be maximized.

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