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Lynette Ellsley 2026-05-25 00:09:13 1 answer

Where do the trigger wires connect on the NEXTECH QV3500?

The trigger wires for the NEXTECH QV3500 are designed to automatically switch the monitor to a full-screen view of a specific camera channel when a signal (12V-24V) is detected. According to the wiring diagram, they should be connected as follows:Brown wire (CH1):...

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David So 2026-05-24 23:44:14 1 answer

My RAYCOP UV Handy Cleaner RGO-300 has been charging for 8 hours, but it only lasts for 5 seconds. The red and green lights flash continuously during charging. What is the repair cost if the battery is damaged?

Based on the RAYCOP RGO-300 manual and troubleshooting guide, your device is exhibiting symptoms of a battery or internal circuit malfunction. A fully charged battery should provide approximately 28 minutes of operation, not 5 seconds.Troubleshooting Steps:Check the Connection: Ensure you are using...

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