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User Manual for Firefly Microscope GT820 Version: 2.0
Brightness Adjustment:
On left rear side of the Microscope, a knob allows the user to control the
brightness of the LEDs:
Backward Turn: Decrease Brightness
Forward Turn: Increase Brightness
Using Focus:
Default Position: Match the scale 50 to arrow mark.
Using the image capture control:
Press and release the Capture button to capture image
frames. The system will generate a shutter sound from the PC
speaker as confirmation.