Hollyland MARS 400S Faq page 3

 OPERATIONS
1. How to switch to another channel?
Press the " Up" or " Down" button TX and press the " OK" button to confirm the switch.
2. How to pair a new receiver with the system?
• Go to the menu on TX and new RX by long-pressing the " OK" button.
• Choose " Pair" under " System" at the same time.
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Both devices will start to pair automatically
3. How to connect a mobile device to the HollyView App?
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Find the WiFi password via the menu on the device. Default password: 12345678
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Connect to the WiFi begins with "HLD_" under mobile device's WiFi Settings with the password
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Open the HollyView App, go to the MARS 400S page and tap "Connect"
4. How to fast and easily identify the channels with interference?
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Go to the menu on RX
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Select "Channel Scan"
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"√" means the channel is clear of interference while "×" means it is with interference