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  1. Hollyland Technology
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  3. Mars 400S

Mars 400S

  • Why does my device show ''CH-'' or " ERROR CODE 1"?
  • Did the DC adapter charge for batteries ?
  • How to fast and easily identify the channels with interference?
  • Did the APP support transmission audio?
  • why the audio and video are not synchronized?
  • How to change the video input and output format?
  • Can we use mushroom antenna on the MARS 400S ?
  • Did the MARS 400S can use D-TAP cable to connect V-Mount battery to charge ?
  • What is the specifications of DC adaptor?
  • Why there is no video display when using the system with a switcher ?
  • Why there is no video output when recording 4K ?
  • How to set them up when multiple sets of MARS 400S are used at the same location?
  • How to connect a mobile device to the HollyView App ?
  • How to pair a new receiver with the system ?
  • How to switch to another channel ?
  • How to avoid the Fan noise?
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