Acesonic PK-6000 - Manual (Page 10)

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Battery Indication
Always refer to the battery charge icon before use to view the charge level, and ensure
that the PK-6000 is fully charged before each use.
When the battery icon displays full bars, the power is at its highest level. The indicator
bars in the battery icon will decrease over a period of time according to your usage.
When the battery charge is almost depleted, the middle frame of the battery icon will
display “blank,” and you should recharge at this time. If the PK-6000 is forced to power
on in this condition, the screen will display the message “Low Voltage” before the device
automatically powers off.
Initial Performance Settings
Important: For the best karaoke sound quality, set the music volume at 50%, microphone
volume at 100% and Echo delay to 100ms.
To prevent the display from shutting off while you are using the PK-6000, go to
“SETTINGS -> Power” menu and set “Display Off ” value to “Disable” or a sufficient
period of time, such as “5 Min” or “15 Min.