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2) Tone Control: Select the TONE (TREBLE/NORMAL/BASS) at the side of
transmitter to find the best feature, make sure you can hear the TV voice clearly.
(Ref. Fig 6-4)
Fig 6-4
Transmitter
3) 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)
BASS
TREBLE
NORMAL
TONE
Notes: The charging time is approx. 3 hours. The headset will last approx 7
hours on a full charge, but will last a lesser or greater amount of time depending
on the average volume level of the earphone.
BAL
L
R
Fig 6-3
Method 3: Through the battery charging compartment in the base. A spare
battery in the battery charging compartment at the side of the transmitter is
always ready. When the earphone battery is low power, pull the spare battery out
of the battery charging compartment for replacement, and the discharged
battery can be put into the compartment for recharging. (Ref. Fig 5-3)
Method 2
(DC 5V/0.5-2A) using the included USB cable.
While charging, the earphones’ LED will turn red and will turn off once charging
is complete. Normally it will take about 3 hours to fully charge.
: Plug the earphone into a USB wall charger
4) To clean the silicone ear tips:
• Carefully remove the ear tips from the earphone.
• Clean the ear tips with warm soapy water and rinse thoroughly.
• Dry the ear tips.
• Put the ear tips back on the earphone.
Rechargeable
& Replaceable
Battery
(included)
Fig 5-3
L BAL R
Fig 6-5
ST
EREO
MO
NO
OFF
ON/OFF
* Do not touch the contact pins of the transmitter.
If the contact pins become dirty, charging may not
be possible.
Notes:
* Be sure to use the original AC adaptor for the
transmitter and insert the AC adaptor plug firmly.
Slide the MONO/STEREO/OFF switch to MONO
or STEREO to power on the transmitter.
1) Balance Control: If the hearing abilities of two ears are not the same, you
can rotate the BAL dial on the headset for right/left volume adjustment so that
you hear equally well with both ears.
6. Customizing your SM-828D1 / SM-828D2
STE
REO
M
O
NO
OFF
BAS S
TRE BL
E
NOR MAL
ON/ O
FF
TON E
16 17
Earphone
USB charging cable
(phone charger / PC USB port/
TV USB port / any other USB outlet)
Fig 5-2
L BA
L R
SM-828D1/SM-828D2 SM-828D1/SM-828D2
Fig 5-1
L
+ VOL -
L
Spare Battery
( )included