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17.Master Tone
Turn Master tone knob to adjust the Master output tone, turn counter-clockwise for more bass and less
treble, turn clockwise for more treble and less bass.
18.Master power on/off and LED ring
This switch is used to switch ON/OFF the Acube, when unit is ON, LED ring will be lightened in Blue.
19.Charging indicator
Green LED flashing: Indicate the batteries are being charged
Green LED ON: Batteries are fully charged
Red LED ON: Low Battery (20% Left)
Notes on Battery
AC INPUT
When Acube is used for the 1st time or have not been used for 2 months continually, please connect to AC
power and charge it for 48 hours, it may protect the battery capability and extend the battery life.
NOTE:
- The battery shall not be exposed to excessive heat such as sunshine, fire or the like.
- The unit remains operable even AC power is disconnected
WARNING
Please do not attempt to open the back cover or power adapter as opening or removing the covers may
expose you to dangerous voltage or other hazards, and also it will cause the restricted servicing to be
disabled. There is no user servicing components inside.
E-5
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