Sennheiser HE 1 User Manual page 18

Putting the HE 1 into operation | Connecting the tube headphone amplifier to audio sources
D
16
Connection possibility of the audio source: digital, USB connection
C
USB
ORPHEUS
Connection cable: USB 2.0 certified cable with Type B connector for
connection to the headphone amplifier
Requirements for digital connections
E
The digital audio inputs
signals in PCM format (supported sample rates: optical: up to 96 kHz, coaxial:
up to 192 kHz).
Information on how to set the audio signal of the connected device to PCM can
be found in the Sound or Settings menu or in the instruction manual of your
device.
If an incompatible digital audio signal is being received, the status LED of the
HE 1 flashes blue. The headphones are/the audio output is muted
rotary switch in position MUTE) and music playback is not possible.
(DIGITAL IN , OPT or COAX) can receive digital audio
Sound menu
Digital sound output
PCM
Bitstream
(OUTPUT