Clean the lens with a microfiber cloth and ensure the object is within the focal range (5mm to 80mm).

Rotate the silver barrel on the microscope body until the image on the screen becomes sharp.

Press and hold the for 3 seconds. Ensure a MicroSD card is inserted if you intend to capture images or video. Focus and Zoom

Browse saved files. Use the 'Up/Down' keys to navigate and 'OK' to play video clips. Connecting to a PC The YST03004 is "verified" for use with Windows and macOS.

Use the dimmer switch located on the base power cable to eliminate shadows or glare on metallic surfaces. Mode Navigation