Sennheiser HE 1 Instruction manual HE 1 - Page 13

Product overview, Overview of the LED indicator

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Product overview | Overview of the LED indicator Product overview The product overview can be found on the fold-out page at the beginning of this instruction manual. Overview of the LED indicator Status LED Meaning - Power switch set to position OFF lights up red Standby lights up white Operation pulses white lights up orange pulses orange Headphones are/audio output is muted (OUTPUT rotary switch in position MUTE) Operation, a tube replacement is required (see page 42) Headphones are/audio output is muted (OUTPUT rotary switch in position MUTE), a tube replacement is required (see page 42) flashes blue quickly 2 times Incompatible digital audio signal; headphones are/ audio output is muted (OUTPUT rotary switch in position MUTE) (see page 16) flashes red High-voltage protection is activated; device cannot quickly 2 times be operated (see page 50) flashes red quickly 3 times Operating elements or amplifier tubes are blocked; device cannot be operated (see page 28) 11

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Product overview
|
Overview of the LED indicator
Product overview
The product overview can be found on the fold-out page at the beginning of
this instruction manual.
Overview of the LED indicator
Status LED
Meaning
–
Power switch set to position
OFF
lights up red
Standby
lights up white
Operation
pulses white
Headphones are/audio output is muted
(
OUTPUT
rotary switch in position
MUTE
)
lights up
orange
Operation, a tube replacement is required
(see page 42)
pulses orange
Headphones are/audio output is muted
(
OUTPUT
rotary switch in position
MUTE
),
a tube replacement is required (see page 42)
flashes blue
quickly 2 times
Incompatible digital audio signal; headphones are/
audio output is muted (
OUTPUT
rotary switch in
position
MUTE
) (see page 16)
flashes red
quickly 2 times
High-voltage protection is activated; device cannot
be operated (see page 50)
flashes red
quickly 3 times
Operating elements or amplifier tubes are blocked;
device cannot be operated
(see page 28)