RAL-KEB03
User's
Guide
Rev.
1.00
01/Feb./2016
14
4-3. Select USB-DAC mode or OPTICAL input mode.
KEB03 has automated Mode Selection function to select Digital input source, USB or
OPTICAL S/PDIF signal. The operation mode is selected as an OPTICAL Digital Input
mode at Power ON default status.
4-3-1. Use Optical Digital input mode.
Connect Digital Audio device which has Optical output such as CD Player, Digital
Audio Player or MD player to KEB03 with OPTICAL Digital Cable. Don't connect any
USB Host device to mini-B USB input. And then turn Power on.
Once Optical input mode is selected and enabled, OPT LED lights on RED.
4-3-2. Use USB input mode.
Don't connect OPTICAL cable to OPTICAL Digital input port. Connect KEB03 to USB
host such as PC or Mac with USB-A to mini-B cable. Or iOS device with Lightning to
mini-B cable. Or Android device with micro-A to mini-B (USB OTG) cable. And then turn
Power on KEB03. KEB03 works as an USB DAC/HPA.
If you would like to switch to OPTICAL input mode, turn Power off, remove USB cable,
connect OPTICAL output equipped device with OPTICAL cable and turn Power on again.
Once USB DAC mode is selected and configured by USB Host successfully, USB LED
lights on Green.
