3
POWER SOURCE
- Please charge the unit at least for 8 hours before first use.
CHARGING BATTERY
While the battery is charging, the CHARGE STATUS light is red. After
the battery has fully charged, the light turns green.
- Connect the AC adapter to the DC IN JACK of the speaker firmly,
and plug it into a wall outlet.
- When the battery is fully charged, first disconnect the AC adapter
from the speaker, then from the wall outlet.
- The speaker works normally while charging.
MODE BUTTON
- Press MODE button on the back panel to select the mode
(Line-in, USB, BT or FM).
BLUETOOTH FUNCTION
- Please press MODE button on the control panel to select Bluetooth
mode. Once in Bluetooth mode, open the Bluetooth settings on
your phone, tablet or any other Bluetooth enabled audio device
and select "Astrum TM220" (no need to pair again), the unit and
device will then be connected via Bluetooth. Press the "next song"
and "previous song" buttons on the control panel to select the
song, press "play / pause" button to control the playing status.
DC 12V BATTERY INPUT
- Connect DC 12V Battery line to connect external battery of 12V
Then use the speaker normally.