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We use cookies and similar technologies to process personal information for the operation of our website, statistical analysis, and providing targeted advertising. We share information about your use of the site with our advertising partners who may further share it with additional parties. You may opt out of performance cookies here, and learn more about how we use cookies here”
1.投影鏡頭沒有正確對焦。 使用對焦環調整鏡頭焦距。
2. 投影機與屏幕未對準。 如有必要,調整投影角度和方向以及裝置的高度。
3. 鏡頭蓋仍然附在鏡頭上。 取下鏡頭蓋。