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·

When charging, remove the interface cover at the bottom of the instrument and 

    insert the USB charging cable (voltage DC5V/2A) for charging. 

·

The red indicator light means charging, and the green indicator light means the 

    charging is completed. 

·

Remove the interface cover at the bottom of the instrument and connect the 

    computer with a USB cable to copy photos and video data les. 

·

Open the video interface cover at the bottom of the instrument when it is in use, 

    and insert the congured video cable, which can be connected to the display or 

    other long-distance transmission. 

·

Because the uncooled infrared telescope uses a very sensitive thermal sensor, it 

    is not allowed to directly aim the lens at a strong radiation source (such as the 

    sun, direct or reected laser beam, etc.) under any circumstances (turn on or off), 

    otherwise it will Permanent damage to the refrigerated infrared telescope! 

·

Use a lens cloth and water to gently wipe clean, do not use organic solvents or 

    sharp hard objects to clean the infrared lens, so as not to cause the lens lm to 

    fall off! 

·

After the laser indicator function is turned on, do not irradiate human eyes to avoid 

    injury!

·

Please check the power when the instrument is used for the rst time. If it is 

    necessary, charge it for three hours before using it. When USB charging, please 

    place the instrument at room temperature. 

·

Do not open the case or modify it without authorization. Maintenance can only be 

    carried 

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