Sennheiser HE 1 User Manual page 25

Putting the HE 1 into operation | Using the tube headphone amplifier connected to a Mac/PC
Tab Control Panel view
Client
information
Information
Display/Setting option
Current state
Information on the PC client on which the Control
Panel is installed and on the streaming state
("Active" or "Stopped").
The type of driver used is displayed via the
number of active WDM or ASIO clients.
Device information/Driver information
Information on the currently connected device and
on the driver.
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