Usb Audio Flowchart - ETC VCC-28 Installation Manual

HEAD SET, PHONE ONLY, PHONE
incoming
USB
audio
ON HEAD SET OFF External
Wireless
key
headset speakers
Mutes incoming
PHONE ONLY
OFF ON
USB Audio to
key
wireless headset
N/A
The PHONE key does not
have any bearing on the
incoming USB audio
PHONE
key