The SKY502 is a 5‑channel digital proportional radio control system operating at 2.4 GHz with frequency‑hopping. It is designed for helicopters and planes, offering fast response, high precision, low power consumption and strong signal strength. The manual introduces the transmitter and receiver, explains the indicator lights, and details the DIP‑switch configuration for different aircraft types.
Safety precautions, code‑pairing steps, and detailed operation procedures are covered, including how to power on/off the transmitter, set flight modes, and connect the receiver. The document also provides a full specification table and wiring diagrams for various models.
| Channels (transmitter) | 5 |
|---|---|
| Frequency | 2.4 GHz (frequency hopping) |
| Output power | <0.8 mW |
| Battery type | 1.5 V × 8 AA dry batteries |
| Transmitter weight | 560 g |
| Antenna length | 14 cm |
| Receiver channels | 7 CH |
| Receiver sensitivity | 95 dBm |
| Receiver weight | 15 g |
| Receiver size | 43 × 21 × 10 mm |
The SKY502 transmitter provides five channels.
It operates at 2.4 GHz using frequency‑hopping.
It is powered by eight 1.5 V AA dry batteries.
Make sure the throttle stick is set to the lowest position before switching on the radio.