RadioLink R8FM User Manual

R8FM
(FHSS)
Radiolink R8FM, 2.4G 8 channels receiver, 2.5-gram weight, SBUS and PPM signal support, use for
Radiolink transmitter T8FB, is the best choice for racing drone.
Two signal working mode:
Blue/purple LED, S-BUS signal, 8 channels totally.
Red LED, PPM signal, 8 channels totally.
S-BUS and PPM signal change:
Quick press the ID SET switch twice within 1 second, the signal is changed from S-BUS to PPM.
The red LED indicates the PPM and blue/purple indicates S-BUS.
How to match code with transmitter:
1. Put the transmitter and the receiver close to each other within 1 meter.
2. Turn on the transmitter, then power on the R8FM.
3. There is a black button on the R8FM, press the binding button in one second until the receiver
light starts blinking and release, after about 8 times blinking, match code success when receiver
signal LED always on.
Installment of receiver antenna：
1. The antenna must be kept as straight as possible. Otherwise it will reduce the effective range.

RadioLink R8FM Specifications

General

Brand	RadioLink
Model	R8FM
Category	Control Unit
Language	English

Summary

Radiolink R8FM Receiver Overview

Signal Working Modes

Describes two signal output modes: S-BUS (Blue/purple LED) and PPM (Red LED), both supporting 8 channels.

S-BUS and PPM Signal Change

Instructions to switch between S-BUS and PPM signal modes by quick-pressing the ID SET switch twice.

How to Match Code with Transmitter

Step-by-step guide for binding the R8FM receiver to the transmitter, involving proximity and button presses.

Installment of Receiver Antenna

Guidelines for optimal antenna placement to maintain effective signal range and avoid interference.

R8FM Receiver Specifications and Placement

Antenna Placement Guidelines

Details on avoiding metal parts, conductive materials, motors, and ESCs for proper antenna function.

Technical Specifications

Lists key specs: 8 channels, 4.8-6V working voltage, 30mA current, size, weight, precision, and control distance.