B.Operation
1.Preparation and pre-checking before use
Pay attention
① Check battery level.
② Check position of the antenna to get the best performance.
③ Make sure the firmware is the latest version.
④ DO NOT operate under the influence of alcohol or drugs.
2.Operation
Part 1: Language setting
① Enter system setting, choose your language and input method.
② Once entering language and input method choosing, you can add/cancel/choose the language you want
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