21
Part 3
Part 2
The is out of the
transmitting range.
headphone
Move the closer to the
transmitter.
headphone
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.
Phenomena Causes Solutions
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 audio source’s volume is
set too low.
Adjust its volume properly.
Sound cuts
in and out
or
some noise
is occurred
The audio out function of the
connected audio device is
defective (poor signal out).
The connection between the
transmitter and the audio
source is not in place.
Make sure the connection is firm
between the transmitter and the
audio source.
Connect to another audio out port.
Place the transmitter base at least
4 feet away from smart WiFi TV/
WiFi TV box/TV sticks to avoid
interference.
The is used for
listening to streaming media
(Netflix, Amazon Prime
Video etc.)
headphone
Adjust the balance control properly.
Switch the transmitter to MONO.
The balance are not adjusted
properly.
The audio out signal of audio
source is mono, but the
transmitter is switched to
STEREO.
Headphone
doesn’t
work, or
no voice
received
The headphone is working on
“ambient sound” 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 voice is
heard only
with one ear
20
SM-829D2 SM-829D2
Phenomena Causes Solutions
Headphone
can not be
charged
successfully
The transmitter is not
switched on.
The battery is not inserted into
the battery compartment in the
correct way resulting in the
battery contacts distorted.
Switch on the transmitter.
Replace with a new headphone.
(damage due to misuse, not covered by
warranty)
Put the battery in the battery charging
compartment of the base or change
another charging slot for recharging.
One of the charging slots is
defective.
Faulty USB adapter.
Please unplug the faulty USB adapter
and change another power source like
PC USB port, socket, different USB
charger (5V/500mA-2A).
Faulty USB charging cable Please try another USB charging cable.
No sound
when using
by-pass
feature
Incorrect input/output
connection.
If you're using Optical cable to connect
the wireless transmitter to TV, please
use Optical cable to connect to the
sound system.
If you’re using the AUX/RCA cable to
connect the wireless transmitter to TV,
please use AUX/ RCA cable to connect
to sound system.
If you are using RCA
connection, the two ends of
the RCA audio cable are not
fully inserted into the RCA
audio out port of the TV/other
audio source.
Try waggling the RCA audio cable or
re-inserting the RCA audio cable.
Faulty cable/audio out
port issue.
Try another audio cable or another
audio device.
The voice is
heard only
with one ear
The charging pins of the
headphone are not aligned
with the charging slot.
Make sure the charging pins of the
headphone are aligned with the
charging slot.
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