OVERVIEWS: Mars 4K has 8 channels, each country channel corresponds to a different frequency because of the country policy, just simply control rocker to switch current channel.
Move the rocker button ❶ of Transmitter or Receiver ‘up’ or ‘down’ to switch channels, short press the rocker button ❶ to confirm to switch. Usually, switching the channel on the transmitter (TX) / receiver (RX), then the other side will automatically follow to switch.
Article Number: 【AS-220827001_7】