![无线发射和接收器](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Questions and Answers
Q: How do I switch frequencies?
A: Turn on the transmitter and receiver, then double click the on/off button of the transmitter to switch the frequency, and save it automatically after 2 seconds.
Q: How do I use different frequencies when multiple units are working together?
A:Turn on the receiver and transmitter to be paired, double-click on the transmitters toggle (On/Off button) to switch frequencies, let it stand still for 2 seconds and then save it automatically, then continue to double-click to switch to the next frequency.
Choose a different frequency for each set so that it works properly.