1. If there is no signal output when connecting the condenser microphone, please check if the phantom power supply is selected.

2. When charging lithium batteries with poor performance, their step-down circuit will interfere with the performance of the receiver.

3. When multiple devices are used simultaneously, improper frequency setting can easily lead to performance degradation due to intermodulation interference.

4. Some brands of MIC may cause interference due to poor signal shielding, which can be solved by using Cannon extension tubes.

1. This product has a laser emission source. When working with it, it is forbidden to shine on the eyes or body. Improper operation may cause burns! Please operate in accordance with the relevant national industry norms and guidelines.

2. Please use a legitimate and qualified product battery! Fake and inferior batteries may cause leakage or even explosions. If any abnormalities are found in the battery, please stop the equipment immediately and replace it to avoid the risk of explosion or equipment damage!

3. Long term exposure to sunlight may cause excessive internal temperature of the equipment, leading to performance degradation and even equipment damage! Please try to avoid prolonged exposure to sunlight or working in high temperature environments!

4. support OTA upgrade.