Getting Started / Operation - auna Ultrasonic BT Bedienungsanleitung

GETTING STARTED / OPERATION

Power source
This unit works with rechargeable lead-acid battery (the battery capacity
4000 mAh). Fully charge the unit (around 7 hours) before using the product
for the first time. The playback time has about 2 hours after full charging.
Unplug the AC Power cord from the AC socket to work on the battery pack
after fully charged. Plugging the AC Power cord while the battery pack is
attached initiates the charging of this battery, the charge LED indicator
lights red during charging, when the battery is fully charged the indicator
will turn to green. When the unit is with low battery, the LED indicator will
flash in red.
Attention
Do not change the battery, only high-qualified personnel can perform this
operation.
Turning the unit on/off
Press the power ON/OFF button on the rear cabinet to switch the unit on or
off.
Note
• In USB/BT/AUX mode, when the unit is not providing the main function
for around 15 minutes, the unit will automatically switch into standby
mode. Press the FUNCTION/
• Please note that low volume setting in the audio source may be
recognized as "no audio signal", this will affect the capability of signal
detection from the device and can also originate an automatic switch
into standby mode. If this happens please reactivate the audio signal
transmission or increase the volume setting on the audio source player
in order to resume playback.
• Electrostatic Discharge hints: The unit may reset or may not reset to
normal operation mode due to electrostatic discharge, just switch it off
and reconnect again.
Setting the function mode
To change the function modes, press the FUNCTION/ button repeatedly to
choose USB/AUX/BT/RADIO function.
button to turn on the unit again.
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