User's Manual

3.1 PU receiver instructions
a. Disassemble the battery cover. Insert rechargeable battery. Assembly the battery cover.
Note: Use rechargeable battery or AC adaptor as power supply.
b. Press the Power button for 3 seconds to power up, and the Power Indicator is on.
c. When battery voltage is lower than 2.2V, the low battery voltage alarm (BB sounds) appear once.
When battery voltage is lower than 2.1V, the low battery voltage alarm (BB sounds) appear continuously then follow by
the Power Indicator off.
Note: The battery should recharge when the low battery voltage alarm appear.
d. When PU is idle, the Volume Indicator is off and the communication LED is flashing. .
e. When PU is connected with BU, the communication LED is on.
3.2 BU transmitter instructions
a. Connect the AC adaptor (5V/550mA)
b. Press the Power button for 3 seconds, the Power Indicator is on.
c. Press the Power button to change channel (a total of 12 channels can be changed)