19
TROUBLESHOOTING
Sound cuts
in and out
or
some noise
is occurred
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.
Phenomena Causes Solutions
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.
18
Part 3
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
Phenomena Causes Solutions
Part 2
SM-823D Pro SM-823D Pro
Headset
can not be
charged
successfully
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).
The transmitter is not switched on.
The headset is not put into the
charging slot properly or firmly.
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 headset.(damage
due to misuse, not covered by warranty)
Make sure the headset is put into the
charging slot correctly and firmly, the
front of the headset with the logo of
“SIMOLIO” is facing towards the front
of the transmitter with the logo of
“SIMOLIO”.
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