This article introduces the basic operational steps and some common maintenance methods of multimedia projector.

介绍了多媒体投影机的基本操作步骤和一些常用的维护方法。

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Multimedia projector, audio equipment, board, microphone system, so that you enjoy a conference.

多媒体投影机、音响设备、白板、麦克风系统，让您的会议成为享受。

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Indianapolis, Indiana, USA-September 2012-SIM2 Multimedia is proud to announce at CEDIA EXPO 2012 our new CINEMAQUATTRO 4K DLP 3-Chip Home Cinema Projector.

ENGADGET: SIM2's $158k CinemaQuattro 4K DLP projector is for hundred seat home theaters