Product Name: Mars 300 Pro

Check the settings of camera : Ensure that the cable between camera and TX connected right ：

Vertical : Transmitter to the Receiver: Face to Face Horizonal : Place the RX antennas upward. Place RX 1.7m above the ground

Note: V1.1.1.0 and V1.0.1.7 are the latest firmware version for Mars 300 pro (Long-press thumbwheel to enter the menu to check the current firmware version) DOWNLOAD PATH: Download Linkage Tip: We don’t recommand to do the upgrade if the device is working normally. Please do the operations as below: 1. Prepare a small USB disk(16/32G), then format

The major difference between these two versions is the antennas, namely, the ability to avoid interference in complex Wi-Fi environments. Both versions come with receivers with built-in antennas. The transmitter is also with built-in antennas for the standard version, while external antennas are used on the transmitter for the enhanced version. Normally, the external antennas

The battery voltage display will be on the OLED screen. When the Voltage is less than 6.8 V, it is suggested to exchange the battery to get the system to work normally.

How to install the transmitter? For enhanced transmitter :       Place the antennas upward with a claw shape for both horizontal and vertical installations. For standard transmitter :     Keep the upper part of TX away from metal structures. How to install the receiver?

Download the “ HollyView” App at either Google Play or iOS App Store.

Default WiFi Password: 12345678

How to choose different fan modes ? Long-press the thumbwheel menu button : Select “FAN CTR” : Choose a mode of the fan :