M3 Mobile SM20 Series - Basic Device Operations; Device Features and Physical Layout; Button Functions and Usage

SM20 Series
User Manual
17
2 Basic Use
2.1 Features
Device Layout
① Receiver
② Front Camera
③ Sensor
④ Charging LED
⑤ Scanner Button
⑥ Volume Button
⑦ Screen
⑧ Back Button
⑨ Home Button
⑩ Menu Button
⑪ Function Button
⑫ Camera Button
⑬ Rear Camera
⑭ Scan Window
⑮ Battery Cover
⑯ Speaker
⑰ Ear Jack Hole
⑱ Power Button
⑲ Charging Contacts
⑳ Microphone
㉑ I/O Pin
2.2 Key
2.2.1 Button
Button
Description
Scanner Operate scanner while executing scanner program.
Function Execute the work set to the button.
Volume High Increase volume.
Volume Low Decrease volume.
Menu Display menu.