Lenovo Yoga 2 Pro-1380 (English) Safety, Warranty & Quick Start Guide - Page 10
Warning statement, Sound pressure warning statement, Precautions for projector operation - test
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If your device came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the device already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5 Limitation Values). Using headphones that do not comply with EN 50332-1 can be dangerous due to excessive sound pressure levels. Sound pressure warning statement For the device that is tested in accordance with EN 60950-1: 2006+A11:2009:+A1:2010+A12:2011, it is mandatory to perform audio tests for EN50332. This device has been tested to comply with the Sound Pressure Level requirement laid down in the applicable EN 50332-1 and/or EN 50332-2 standards. Permanent hearing loss may occur if earphones or headphones are used at high volume for prolonged periods of time. Warning statement: To prevent possible hearing damage, do not listen at high volume levels for a long period of time. Precautions for projector operation The lens emits intensive light. Do not look directly into the lens, otherwise it may damage your eyes. Be careful when using the projector in the presence of children. Do not let children come within the irradiation range or look directly at the light beam or lens. The projection lens, focus adjustment slider and surrounding areas may become hot during operation. For safety reasons, only use the projector in well-ventilated environments with ambient temperature below 33°C, to avoid the risk of scalding.