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BASIC OPERATION
Battery charging
This unit uses a rechargeable lithium battery (battery capacity 3600mAh). Fully charge the unit (approx. 4
hours) before using it for the first time. The playback time with a fully charged battery is approx. 4-5 hours
depending on the volume level set.
1. Plug the power cable into the mains socket and into the AC socket on the back of the unit.
2. The charging indicator shows the current battery status during charging.
The battery is being charged: The charging indicator lights up red during charging.
Battery level low: The charging indicator flashes red. Connect the unit to the power cable to charge.
Battery fully charged: When the battery is fully charged, the charging indicator lights up green.
Disconnect the power cable to change the battery mode of the unit.
3. After the battery is charged, unplug the power cable from the socket to complete the charging process.
Notes:
When the unit is fully charged, disconnect the mains plug from the unit to protect the battery from
overcharging.
Do not replace the battery, this operation must only be carried out by highly qualified personnel.
Switch on / Switch off
1. To switch on the unit, press and hold the power button for about 3 seconds.
2. To switch the unit off, press and hold the power button for about 3 seconds.
Note:
The unit starts with the last active mode and volume when it is switched on.
Select mode
1. Press the function key repeatedly to switch to the corresponding mode.
2. The mode is shown in the display.
3. The following modes are available: AUX-IN (AUX) / USB / Bluetooth (bt)
Volume
1. Adjust the volume with the volume control.
2. When the unit is switched on, it starts with the last selected volume setting.
Microphone volume
1. To adjust the microphone volume, press the menu button until the display shows "CU" (microphone
volume).
2. Turn the volume control to change the microphone volume.
Automatic switch off
The unit has a power-saving function according to the European ErP standard, which makes the unit
switch to standby mode after 15 minutes without an audio signal. Press the power/function button to
switch the unit back on.
Please note that a low volume setting of the audio source can be detected as "no audio signal". This
may affect the unit's signal detection capability and also trigger an automatic switch to standby mode. In
this case, please reactivate the audio signal transmission or increase the volume setting of the audio
source to resume playback.
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