Users Manual
Transmitter
OFF/ON
OFF/MONO/STEREO
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V/
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18
5) Personal Sound Amplifier Function: while listening wirelessly, press the
MIC ON/OFF button at the bottom of the right side headphone, the personal
sound amplifier indicator will flash red and green alternately, you can clearly
hear what people’s talking to you nearby. Press the MIC button again or switch
off the headphone and then on, it will be back to wireless listening, the personal
sound amplifier indicator will be off, and the working indicator will be solid
green. But if you press the MIC ON/OFF button by chance when listening
wirelessly, the volume will be low with the ambient noise will be occurred.
L
R
R
Personal Sound
(MIC ON/OFF)
Amplifier Button
4) Mono/Stereo option: You can switch to STEREO for enjoying Hi-Fi sound
quality music or select MONO for enjoying more clear TV dialogues. If, despite a
correct balance adjustment, you can hear the sound only with one ear: Set the
STEREO/MONO switch on the transmitter to MONO.(Ref. Fig 6-5)
STE
R
E
O
M
ONO
OF
F
OF
F/ON
Fig 6-5
Fig 6-6
R
Personal Sound Amplifier
(LED flashing red and green alternately)
Indicator
TROUBLESHOOTING
R
( )
Phenomena Causes Solutions
The transmitter is not connected
well.
Make sure the AC adapter and the audio
cable of the transmitter are plugged in place.
Switch to MONO or STEREO to power the
transmitter on.
The transmitter is not powered on.
Part 1
Headphone
doesn’t
work, or
no voice
received
19
Phenomena Causes Solutions
Headphone
doesn’t
work, or
no voice
received
Sound cuts
in and out
or
some noise
is occurred
The connection between the
transmitter and the audio source is
wrong.
Make sure the connection is correct and
in place between the transmitter and the
audio source.
The audio sources (TV and TV related
AV devices) are not turned on or their
volume are set too low.
Turn on the audio source, and adjust its
volume to a sufficient level.
The battery isn’t inserted properly
into the battery chamber or the
battery is run out.
Insert the battery properly, or charge the
battery fully.
The headphone is out of the
transmitting range.
Move the headphone closer to the
transmitter.
The headphone is working on
“personal sound amplifier” status
with
.
LED flashing red and green
alternately
Press the MIC ON/OFF button again or
turn the headphone off then restart to
return to the wireless TV listening status.
The battery’s power is too low. Charge the battery fully.
The transmitter is placed too close to
metalworks or other electromagnetic
wave objects.
Put the transmitter far away from the
interference sources.
The headphone is powered off
automatically.
Switch the headphone off, then on.
The audio out port of the connected
audio device is defective
(no sig al out ).n
Connect to another audio out port .
TV audio output is disabled or not
activated.
Follow the instructions in your TV user
manual to change the TV’s AUDIO OUT
setting to "External TV Speakers".
Set it to PCM. For example: Settings >
Sound > Digital Audio Out Format>
Dolby/DTS/PCM, menu depends on TVs.
The audio out format of TV and TV
related AV devices (e.g., Cable box,
STB, DirecTV, etc.) is not set to
PCM.
The analog audio cable is plugged
into the AUDIO IN jack of the
transmitter when connecting with
the optical cable.
Unplug the analog audio cable from the
transmitter.
TV volume is turned down to ZERO.
Adjust the TV volume to a sufficient level.
If you want to mute the TV, please click
the MUTE key on the TV remote control
or go to TV settings to OFF the Internal
TV speaker.
The audio source’s volume is set
too low.
Adjust its volume properly.
Part 2
SM-825D Pro
SM-825D Pro
TONE
TREBLE/NORMAL/BASS
N
BASS
TREB
L
E
NORM
AL
T
O
NE
Fig 6-4










