Product Name: Mars 400S Pro

Long-press the UP or DOWN button on TX or RX to switch to another frequency channel and enter OK to confirm it

Menu Page : System Setting Page :

Note: V1.1.1.9 and V1.0.2.0 are the latest firmware version DOWNLOAD PATH: Download Linkage Updates: 1. Language menu optimization Tip: There is no change in functionality and performance, so it doesn’t need to upgrade if the device is working normally. Please do the operations as below: 1. Prepare a small USB disk(16/32G), then format it to FAT32. 2.

The advertised working range of the MARS 400S PRO is 400ft Line of sight. However, many users complain about the actual working distance.  Below are the tips to get the best distance performance:

Overview: The new design ideas give MARS 400S Pro the ability to power with different solutions, which brings more conveniences to the users. There are 3 ways to power on the MARS 400S Pro:

Please download HollyView App first on your Mobile App Store and Make sure the mobile devices support the 5G WiFi network.  Below are the detailed steps to do the App Connection:

Hollyland had been Collecting feedback from the end-user about the Fan sound all the time. So with the new 400S PRO version, it is supported to adjust the Fan Mode in different working environments.   Operations: Menu Page : Fan Settings Page :

The MARS systems use the general 5g WiFi network, and the WiFi network created does not have a network connection. When connected to WiFi without a network connection, it will automatically switch to data cellular or another WiFi for some Phones. So you will get the ” Check the Input Source” Error from HollyView App.

All of the SYSCOM series products support 1 transmitters to 2 receiver, there are three kinds of MARS series products support 1 TX to 2 RX.

Overview: This article describes the procedure to load the new Luts to HollyView App. Note: The LUT file should be.Cube format. iOS Devices: Method 01: Import through Online Chat or Airdrop APP Method 02: Copy the file to Hollyview 【3DLUT】 file path Android Devices: