User manual

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3.3 Charging the built-in Battery
 First time charging:
Please charge the battery fully before use the transmitter.
 Low battery:
When the red LED flashes during use, the battery is low power
and needs to be charged.
1. Plug charger or charging cable into the standard AC power
socket
2. Plug other end of charger or charging cable into charging port
of BT0024
RED light on → Charging
RED light off → Charging finished
3. It takes about 2.5 hours to finish charging
3.4 TX/RX Mode
 TX Mode
Selecting mode: Please turn the TX/RX switch to TX mode
before switching on BT0024.
Note: TX or RX mode cannot be changed after switching on
BT0024.