Getting started
1.
Charging the receiver
BA21 comes with a built-in rechargeable battery, prior to using it, it is
recommended to charge the battery fully for the first time. When the
receiver emits a string of warning tones every 1 minutes and the red LED
flashes. It means battery low. Please recharge the battery fully.
1)1)Plug the USB charging cable into the charging jack of PC or charger.
2) Plug the end of USB charging cable into charging port of transmitter.
RED light on
→
Charging
RED light off
→
Finished charging
3)
It will take about 2 hours to finish charging.
DC 5V
Warning:
The battery is recyclable.
Batteries (battery pack or batteries installed) shall not be exposed to
excessive heat place, such as sunshine, fire or the like.
Remarks:
Please don’t push the 3.5 mm plug into the cable slot directly when you
reel the audio line.
Please don’t pull the3.5mm plug out from the cable slot directly when
you take out the audio line.
The audio line should be push in or pull out by sliding as above shown to
avoid the damage of the cable slot.
2. Turning on/off the receiver
Function
Operation
LED
indicator
Prompt tone
Turning on
Press and hold MFB
button for 3
～
4
seconds
White LED is
on for 1
second
Power on
Turning off
Press and hold MFB
button for 3
～
4
seconds
Red LED is
on for 1
second
Power off
2
