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Introduction to buttons and ports:
⑾ ⑿
⑼ ⑽
⑻
⑴Power Switch/ Volume Adjusting Knob:
Turn clockwise to turn on the unit (indicator (12) will glow red), and indicators (9), (10)
and (11) would glow according to the battery capacity. Volume continues to increase
proportionally to turns on the volume knob, with the number on the knob bottom
indicating the volume level. Turn counterclockwise to turn the volume down, turn down
all the way past the click stop to turn off the unit.
⑵Gain Switch: provides High and Low gain options.
⑶
Headphone Output Port: Fit for headphone with 3.5mm plug
⑷
Bass Switch: ON (bass boost effect); OFF (bypass mode)
⑸
Line I/O Port:
Used as line out port when a USB audio connection is established;
Otherwise used as line in port.
(6), (7), (8): When USB audio connection is established, these can be used as remote
buttons to control music playback (with HID-compliant music player software) on the
computer or mobile phone:
(6)
Play/Pause: Plays or pauses the music.
(7)
Previous: Switches to the previous track.
(8)
Next: Switches to the next track.
(9), (10), (11): Battery status indicators. All 3 will light up when the battery is full whilst
only (11) will light in case of low battery.
(9)
Charge Indicator (H): Indicates full or near full battery. It can also be used as
anomaly detection alarm: when there is any system error, this light would blink quickly
for 5 seconds before the unit shuts off automatically.
(10)
Charge Indicator (M): Indicates medium battery level or above.
(11)
Charge Indicator (L): Indicates low battery level when only (11) is lit. (The indicator
would flash slowly to give critical battery warning; please connect to power supply soon
when this happens.)
⑿Power/ Working Indicator: Shows red when unit is on, red and blue when USB audio
connection is established.
⒀RESET switch: In case of malfunction, please use a non-conductive rod (such as a
toothpick) to reset the unit.
⒁Micro USB Charging Port: Charging port only. A power adapter with DC5V 2A output
is recommended.
⒂PC IN/PHONE IN/CHG OUT Function Switch: To switch between the computer
DAC, smartphone DAC and power-bank charger function.
⑺
⑶
⑹
⑷
⑸
⑴
⒀
⑵
⒄
⒃
⒂
⒁
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