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