Power, Source, Bluetooth pairing, Volume Up/Down,
EQ, MIC (ECHO-/ECHO+), REP,
About Sealed Lead-Acid Battery:
This unit works either on the battery pack (Model no.: Tianchang 6-FM-2.6, 12V,
2600mAh) unplug the AC Power adapter from the DC input jack to work on the battery
pack (after fully charged); plugging the AC Power adapter while the battery pack is
attached initiates the charging of this battery. The charged LED indicator lights red
during charging, when the battery is fully charged the indicator is green. Fully charging
an empty battery pack may take 8 hours. A fully charged battery pack can last
approximately 10 hours at 50% volume of continuous playback. This playing time may
vary with the surrounding environment, the volume level of the speaker and the battery
condition. It is advised that you wait 10-20 minutes before recharging the battery pack if
it has run flat during operation.
Danger of explosion if battery is incorrectly replaced