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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.