3About this ManualThank you for purchasing a Ninebot Personal Transportation Robot. This manual includes instructions for the Ninebot™ E model,which may help you to:• Learn basic operation and safe riding techniques.• Understand operation modes as well as regular maintenance procedures.• Enjoy your Ninebot to the fullest in a safe manner.For be sure you have the latest version of this manual, visit www.ninebotamericas.com.Safety MessagingMake sure you read and understand the following safety messaging conventions used throughout this manual:WARNING Warns you about actions that could result in death or serious injury.CAUTION Warns you about actions that could result in minor or moderate injury.NOTICEIndicates information considered important, but not related to personal injury. Examplesinclude messages regarding possible damage to the Ninebot PTR or other property, orusage tips.The Risk of InjuryWARNINGThe PTR is a self-balancing personal transportation robot that uses patented balancing technology. Balancing technology cannotprevent injury if you do not ride the PTR safely. It is impossible to predict and warn against every possible harm or hazard that exists.Thus, users must also use their own intuition and commen sense to help avoid phyisical injury or damage to their Ninebot. To reducerisk of injury, users must also watch and follow all instructions and warnings in the Safety Instruction Video before they ride. The videoprovides important information on how to use the PTR.