Answer

Mar 06, 2025 - 01:08 AM
To power on the TD500 borescope, long press the power button for 2 seconds. The monitor will light up, and the blue power indicator will turn on. To power off the borescope, long press the power button for 2 seconds.
Source: Shenzhen Teslong Technology TD500 Articulating Borescope Instruction Manual
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