Mars 400S Pro Support

  1. Please ensure to use DC/NPF battery for the power supply, and the battery should be fully charged.
  2. Please long press the middle button of the transmitter to enter the menu page, then select channel scan to choose free Channel to avoid the frequency interference.
  3. Keep the transmitter at least 1m away from the receiver, then enter the menu page of both units for pairing.

One transmitter could connect with 2 receivers at the same time.

  • Please keep the transmitter at least 0.5m away from the receiver.
  • Long press the middle button to enter the menu on both the TX and the new RX.
  • Choose “PAIR” under “ SYSTEM SETTING” at the same time.
  • Both devices will start to pair automatically.Menu Page :

    System Setting Page :

1 single transmitter could connect with 4 smartphones/tablets.1 transmitter with 1 receiver could connect with 2 smartphones/tablets.

1 transmitter with 2 receivers couldn’t connect with smartphones/tablets.