Optoma DS551 User's Manual - Page 47
Changning District, Shanghai, 200052, China
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Changning District Shanghai, 200052, China +86-21-62947375 www.optoma.com.cn EN-47
![](/manual_guide/products/optoma-ts551-users-manual-e1b3881/47.png)
EN-47
Changning District
+86-21-62947375
Shanghai, 200052, China
www.optoma.com.cn