A20a
Setting Introduction
2. SETUP MENU
1
）
Long press the knob: power OFF/ON
2
）
Short press the knob: enter the menu,Long press to return to the main page
3
）
Turn the knob clockwise or counter clock wise to adjust the volume.
2.Display Description
1) When starting up, the machine will display " " meaning "A20a"
2
）
8 EQ menus
direct
Tone
Dynamic bass
Bass
Super Bass
Rock
Soft
Clear
3) The bass adjustment will show
4) The treble adjustment will show
5) Volume display
6)
LED display status
：
Closed in standby, the center of the knob displays
"red"
