FMA Direct T-80RF User Manual

FMA Direct T-80RF User Manual

4-channel microcomputer fm radio control transmitter

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T-80RF
4-channel microcomputer FM radio control transmitter
User's guide
Note: Read this manual carefully before operating this product.
FMA, Inc.
5716A Industry Lane
Frederick, MD 21704
Sales: (800) 343-2934
Technical: (301) 668-7614
www.fmadirect.com

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Summary of Contents for FMA Direct T-80RF

  • Page 1 T-80RF 4-channel microcomputer FM radio control transmitter User’s guide Note: Read this manual carefully before operating this product. FMA, Inc. 5716A Industry Lane Frederick, MD 21704 Sales: (800) 343-2934 Technical: (301) 668-7614 www.fmadirect.com...
  • Page 2 72MHz PPM receiver on the same License.) channel. The T-80RF uses the latest microprocessor technology Mixing. The T-80RF can be set to mix elevator and aileron to control every function of the radio and provide such features controls for use with aircraft incorporating elevons (for as servo reversing on all channels, tri-rates and elevon/V-tail example, flying wings) or V-tails.
  • Page 3: Safety Precautions

    Tip: FMA Direct carries a full line of compatible receiv- In some areas of the country, you cannot legally operate ers, servos, electronic speed controls, battery packs, radio controlled models except at approved fields.
  • Page 4 Neck strap hook Power switch Left stick Right stick Trims Note: Look here for your transmitter’s channel number Function switches: mixing, tri-rates NiCad battery charging jack and positive/negative shift Servo reversing switches Crystal cover T-80RF user’s guide – 4 – FMA Direct...
  • Page 5: Powering The Transmitter

    Charging the NiCad batteries it is marked “Push,” then slide the cover toward the bottom of the transmitter. 1. Turn off the T-80RF by sliding its power switch to the down position. 2. Install 8 fresh AA alkaline cells according to the polarity Note: You cannot charge the T-80RF NiCad battery markings in the battery compartment.
  • Page 6 Setting up the radio system A. Set transmitter frequency shift. B. Set mixing. The T-80RF works with any narrowband FM receiver with If your airplane is equipped with elevons or a V-tail, you’ll need PPM decoding. You must, however, set the transmitter’s fre- to activate mixing.
  • Page 7 You must set control 7. With the transmitter control sticks centered, make sure that throws with the T-80RF’s tri-rate at 100%. the control surfaces are in their neutral positions. If a control is offset from neutral, adjust the appropriate linkage.
  • Page 8 Reverse section of the transmitter’s front panel. Check control movement again. Rear view Pitch down Yaw control (rudder, channel 4*) Rear view Yaw right Rear view Yaw left T-80RF user’s guide – 8 – FMA Direct...
  • Page 9 Rear view Rear view Pitch down Pitch down *Note: Channels assignments are for the T-80RF Note: Stick movements and control throws shown and correspond to the servo reversing switches. on these pages are exaggerated for clarity. Nor- mal flying requires only small stick movements.
  • Page 10 An extended range voltmeter applies a load, which simulates typical use conditions for more Products available from FMA Direct include: accurate measurement of battery voltage.) Dual conversion receivers: 4, 5, 6 and 8 channels; sub- 2.
  • Page 11: Transmitter Troubleshooting

    Damage resulting from repair, adjustment, or any alteration of the product by anyone other than an authorized FMA technician. Installation or removal charges, or damage caused by improper installation or removal. Call (301) 668-7614 for more information about service and warranty repairs. FMA Direct – 11 – T-80RF user’s guide...

Table of Contents