Korg PA4X Quick Start Manual page 17

Overview of the instrument |13
Metronome and Tempo area
Use these controls to practice with the metronome and control the Tempo of
the metronome, the Styles and the Songs.
Microphone controls
Here you will control the microphone input and the voice effects and harmo-
nization.
USB connector
Use this connector to connect an USB memory device, like an USB pendrive
(HOST-F). You can also use it to attach a small USB lamp and illuminate the
control panel or the music stand.