J-Tech Digital JTD-482 User Manual page 8

Connection and Operation：
1. Use optical cable or coaxial cable to connect your
source device to the optical or coaxial input port of
the JTECH-D2A3.
2. Use the RCA cable or 3.5mm audio cable to connect
the JTECH-D2A3 to the audio amplifier or
headphones.
3. Use the USB cable to connect the DC 5V power port
of the decoder to the power supply.
4. Use the volume knob to adjust the volume
appropriately.
5. According to your preferences, adjust the bass
component appropriately through the knob.
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