User Manual

Power supply
12 UR22mkII Getting Started
Power supply
The UR22mkII is a bus-powered type
device which can be powered by the host
computer connected via a USB cable. The
power automatically turns on when the
device is connected to the computer via a
USB cable and turns off when the device is
disconnected from the computer.
WARNING
When turning on the AC power in your audio
system, always turn on the power amplifier
LAST. When turning the power off, the
power amplifier should be turned off FIRST.
HINT
Connecting to an iPad
The power also can be supplied via a USB
power adapter or USB mobile battery from
the [5V DC] port at the rear panel. The [5V
DC] port is used only for power supply. The
[USB 2.0] terminal is also used for
transferring digital audio data.