Acesonic AM-898 - Manual (Page 8)

Remote Control
Preset Memory Button
#1 & #3 Preset Memory Button
#2 & #4
Mute Button
Input Selecting Button
Feedback Eliminating Button.
There are 3 different effect level
and OFF to turn the effect off.
Key Control Button
Master Microphone Volume
Master Music Volume Control
Menu Button
Arrow Keys to navigate in Menu
Effect Level Control Button
5