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BASIC OPERATION
U4 RECEIVER
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Power switch: switches unit on/o
Headphone Output: 3.5mm output
Connect to earphones or headphones
Channel status LED: indicates selected channel
Channel switch: selects Channels 1-6
Volume control: adjust the volume of headphone output
RF Status LED:
ON = Transmitter is on and link is established
Flashing = Signal connection interference
OFF = Transmitter o or unlinked
Power status LED, indicates power status:
Led o = 100% ~ 30%
Solid red = 29% ~ 11%
Blinking red = less than 10%
USB charging port
Antenna
09
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