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To operate it properly, please read this manual carefully. Ignoring operation procedures described in this manual will void your warranty. . NEVER disassemble the unit. . NEVER reverse the polarity of a battery. . NEVER connect the unit to external power sources. . ALWAYS remove battery when the unit not in use for a long period. . ALWAYS keep the objective lenses covered when not in use. . ALWAYS store the unit in a warm dry place. 3 Precautions NC 3-12x50 is the sophisticated precise optical i