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⒃Micro USB Port:
1. When function switch (15) is at the PC IN position, the unit serves as a USB digital
audio DAC& when connected to a computer, and charges itself through this
USB port at the same time.
2. When function switch (15) is at the PHONE IN position, the unit serves as a USB
digital audio DAC& when connected to a smartphone (*Note supported models).
It does not draw power from this USB port in this mode, preserving the
smartphone's battery.
3. When function switch (15) is at the CHG OUT position, the unit serves as a mobile
external power supply. (Maximum charging current is 700mA; the unit would stop
supplying charge if total output exceeds 700mA.)
⒄Coaxial Out: When USB audio connection is established with a computer or
smartphone, the decoded audio signal is relayed through this port in S/PDIF
compatible format. Devices with digital coaxial input, such as other outboard DACs
and DAC/amp combos, can be connected to the E18 via this port.
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