Symptom
No
signal from
optical digital
output
Bilingual
sound
cannot
be
selected
when
using digital
input. (Both MAIN
and
SUB
can be
heard
at
the same
time.)
A repeated beep
sounds.
Other
devices
(wireless LAN,
cordless phone,
etc.) using 2.4 GHz
frequency
around
the processor
become unusable.
Cause and remedy
..
No
power
supplied
to the processor.
• Connect the processor to a
power
source.
..
No
playback
sound
from the connected external digital unit
at
the optical
input
jack.
• Check that the external
unit
is playing back.
..
Connect the analog
out
to the LINE IN jacks,
and
select the
sound
on
the
connected component.
..
The headphones cannot receive the signal from the processor.
• Move within the
RF
signal
transmission area.
• Check the connection of the processor, AC
power
adaptor,
and
AC
outlet.
• Check if there is
any
wireless apparatus
using
2.4
GHz
frequency, or a
microwave
oven
around
the processor
and
headphones.
• Change the position of the processor.
..
There is
no
audio
signal
input
for about 5 minutes
and
RF
signals are
not
transmitted.
•
Input
the
audio
signal to the processor
and
press
TUNE/ID
SET
on
the
headphones once.
..
Additional
headphones
are being charged.
• Remove the additional
headphones
from the processor.
..
If
the wireless LAN uses the
2.4
GHz
frequency, change the channel.
If
possible, use 5 GHz.
..
Keep the processor more
than
2 m
(6.6
ft)
away
from other devices (wireless
LAN, cordless phone, etc.) using the
2.4
GHz
frequency.
..
While any other devices (wireless LAN, cordless phone, etc.) using the
2.4
GHz
frequency are operating, press
TUNE/ID
SET
on
the processor once,
and
then press
TUNE/ID
SET
on
the
headphones
once.
The processor detects the
optimum
frequency for transmitting
and
switches
to
it automatically.
If
the problem is
not
solved, repeat the above procedure.
28
US
I
Additional
Information
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