Toperson YG330 Projector is not featured with auto focus adjustment. Hence, users need to adjust the image focus manually. This guide will show you how to do this.
Toperson YG330 Projector houses a Manual Knob on the the side of unit, as shown in the picture below:
The manual rotating knob is more convenient to adjust the focus than other inner knob. The projector comes with a shutter cap that detaches. When the lens is fully retracted, just do with the twist of a dial, once get the lens adjusted, the picture is pretty clear.
Adjust the focus by turning the knob while observing the image pixels near the center of the screen. Optimal focus is obtained when the pixels are clearly visible. Stop operation when the image is clear and sharp enough.
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