User's Manual
Table Of Contents
18 19
TROUBLESHOOTING
Phenomena Causes Solutions
Part 2
Headset
doesn’t
work, or
no voice
received
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 is out of the transmitting
range.
headset
Move the headset closer to the
transmitter.
The headset is working on “personal
sound amplifier” status with red
LED on.
Press the MIC ON/OFF button again or
turn the headset 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 headset is powered off
automatically.
Switch the off, then on. headset
The audio out port of the connected
audio device is defective
(no sig al out ).n
Connect to another audio out port .
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.
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.
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 headset is used for listening to
streaming media (Netflix, Amazon
Prime Video etc.)
Adjust the balance control properly.
Switch the transmitter to MONO.
The balance is not adjusted properly.
The audio out signal of audio source
is mono, but the transmitter is
switched to STEREO.
The voice is
heard only
with one ear
SM-824D1/SM-824D2 SM-824D1/SM-824D2
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
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 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.
Headset
doesn’t
work, or
no voice
received
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.
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.
To clean the silicone ear tips:
• Carefully remove the ear tips from the headset.
• Clean the ear tips with warm soapy water and rinse thoroughly.
• Dry the ear tips.
• Put the ear tips back on the headset.