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Product Introduction ································ 1
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Get to Know Smooth 4 ···························· 2
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Battery and Charging Instructions ············ 3
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Installation ················································ 4
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The Use of Stabilizer ································ 6
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The Use of APP ······································· 13
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Calibration and Firmware Upgrade ··········· 15
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Basic Specifications ································· 17
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Disclaimer and Warning ··························· 19
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Warranty Terms ······································· 24
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Contact Card ··········································· 27
Contents
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