M3 Mobile US20 Series - Basic Use; Features; Key

US20 Series
User Manual
17
2 Basic Use
2.1 Features
Device Layout
① Receiver
② Charging LED
③ Sensor
④ Ear jack
⑤ Screen
⑥ Scanner Button
⑦ C-type USB
⑧ Microphone
⑨ Power Button
⑩ Function Button
⑪ Charging Contacts
⑫ Scanner
⑬ Rear Camera
⑭ Speaker
⑮ Battery Lock Button
⑯ Battery
2.2 Key
2.2.1 Button
Button
Description
Scanner Operate scanner while executing scanner program.
Function Execute the work set to the button.
Power Power on/off screen or shut off power