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Q：What transmitters are compatible with R8EF?
Q：What transmitters are compatible with R8EF?
A: R8EF compatible with RadioLink T8FB/T8S/RC8X/RC6GS V3/RC4GS V3/RC6GS V2/RC4GS V2/RC6GS/RC4GS/.
Q：What signal does R8EF support?
Q：What signal does R8EF support?
A: R8EF supports SBUS, PPM, and PWM signals output synchronously.
The receiver indicator is RED with all 8 channels output PWM signal.
The receiver indicator is Blue (Purple) with 8 channels output in total. Channel 1 is the SBUS signal, Channel 2 is PPM signal and Channel 3 to 8 is PWM signal.
Q：How to bind R8EF to the transmitter?
Q：How to bind R8EF to the transmitter?
A:
1. Put the transmitter and the receiver close to each other (about 50 centimeters) and power both on.
2. Switch on the transmitter and the LED of R8EF will start flashing slowly.
3. There is a black binding button (ID SET) on the side of the receiver. Press the button for more than 1 second and release, the LED will flash quickly, meaning the binding process is ongoing.
4. When the LED stops flashing and is always on, binding is complete and there will be a signal tower shown on top of the screen of the transmitter.
Note: If bound to transmitters without a screen like T8S or T8FB, the always-on LED means binding completed.
Q：Why the LED of R8EF keeps flashing slowly?
Q：Why the LED of R8EF keeps flashing slowly?
A: The slow flashing LED means binding doesn’t succeed or the signal gets lost after binding completes.
Q：What is the operating voltage range that R8EF supports?
Q：What is the operating voltage range that R8EF supports?
A: The operating voltage range of R8EF is from 3V to 15V.
Q: What are the differences among the various versions of R8EF?
Q: What are the differences among the various versions of R8EF?
A: R8EF V1.0, V1.1, V1.2, and V1.3 do not support outputting RSSI value from receiver to OSD module, while R8EF V1.4 and later versions support outputting RSSI value from receiver to OSD module. There is no difference in other functions.
For the methods on how to output RSSI value from R8EF to OSD module, please refer to the following link:
https://www.radiolink.com/newsinfo/504912.html?templateId=148964
Q: How to test RSSI with T8FB transmitter and R8EF receiver?
Q: How to test RSSI with T8FB transmitter and R8EF receiver?
A: Please follow this tutorial:
https://www.youtube.com/watch?v=q4uSzHBQFKI
Q: How to test RSSI with T8S transmitter and R8EF receiver?
Q: How to test RSSI with T8S transmitter and R8EF receiver?
A: Please follow this tutorial:
https://www.youtube.com/watch?v=U-exf2swPv0
Q: How to supply power to the receiver without using the ESC?
Q: How to supply power to the receiver without using the ESC?
A: Please follow this tutorial: https://www.youtube.com/watch?v=nquuvM3hmtw
Q: How to supply power to the receiver without using the ESC?
Q: How to supply power to the receiver without using the ESC?
A: Please follow this tutorial: https://www.youtube.com/watch?v=nquuvM3hmtw
Q: Can I bind 2 receivers to one transmitter at the same time? For example, 1-4 channel for one receiver, 5-7 to the other receiver.
Q: Can I bind 2 receivers to one transmitter at the same time? For example, 1-4 channel for one receiver, 5-7 to the other receiver.
A: Yes. You can control the two receivers at the same time.
Q: How to install the receiver antenna?
Q: How to install the receiver antenna?
A: Please follow this tutorial: https://www.youtube.com/watch?v=-e1XzRnMnhs
Q: How to output the RSSI value from the receiver to FPV when the transmitter is T16D/T12D/T8FB/T8S, the flight controller is an F4/F7/F722/F405, and the receiver is R8FM/R8EF/R8SM/R8XM/R7FG?
Q: How to output the RSSI value from the receiver to FPV when the transmitter is T16D/T12D/T8FB/T8S, the flight controller is an F4/F7/F722/F405, and the receiver is R8FM/R8EF/R8SM/R8XM/R7FG?
A: Please follow the guide: https://radiolink.com.cn/ttransmitter_betaflight_rssi_output
Q: How to output the RSSI value from the receiver to FPV when the transmitter is T16D/T12D/T8FB/T8S, the flight controller is PIX6/PIXHAWK/CrossFlight/CrossFlight-CE/CrossRace/CrossRace Pro/Mini Pix, and the receiver is R8FM/R8EF/R8SM/R8XM/R7FG?
Q: How to output the RSSI value from the receiver to FPV when the transmitter is T16D/T12D/T8FB/T8S, the flight controller is PIX6/PIXHAWK/CrossFlight/CrossFlight-CE/CrossRace/CrossRace Pro/Mini Pix, and the receiver is R8FM/R8EF/R8SM/R8XM/R7FG?
A: Please follow the guide: https://radiolink.com.cn/ttransmitter_pixhawk_rssi_output
R8EF FAQ
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