Users Manual
You can only rotate it
90 degrees in a specific
direction as above.
9
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e
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d
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e
c
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i
LR
s
p
e
c
i
f
i
c
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.
LR
Notes: The charging time is approx. 3 hours. Before using the spare rechargeable
battery for the first time, charge it for at least 3 hours. The headphone battery will
last around 10 hours on a full charge, but will last a lesser or greater amount of
time depending on the average volume level of the headphone.
2) Balance Control: If the hearing abilities of two ears are not the same, you can
open the decorative cover on the right side of the headphone and then rotate the
BAL dial for right/left volume adjustment so that you hear equally well with both
ears.
3) Tone Control: Select the TONE (TREBLE/NORMAL/BASS) at the rear of
transmitter to find the best feature, make sure you can hear the TV voice clearly.
(Ref. Fig 6-4)
A. Each side of the headphone has a letter to
guide the wearer: "L" for left and "R" for right.
You can adjust the retractable headband to fit
you better. (Ref. Fig 6-1)
6. Customizing your SM-825D Pro
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2
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Fig 6-1
Fig 6-3
BALANCE
(Left Right)
L
R
R
L
R
( )
A: Through the USB charging port on the rear of the transmitter base
You can use the included micro USB charging cable to connect the headphone to
the USB charging port on the rear of the transmitter base for charging.(make sure
the transmitter base is powered on)
POWER OUT
DC 5V/500mA
STEREO
MONOOFF
OFF/ON
DC 5V
POWER IN
OPTICAL IN
AUDIO IN
BASS
TREBLE
NORMAL
TONE
(Transmitter)
(Receiver)
micro USB charging cable
B: Through the universal USB charger/outlet
You can charge your headphone by plugging the micro USB power cable into a
phone charger (5V/500mA-2A output), PC USB port, TV USB port or any other
USB outlet. You don't need to go back to the transmitter base next to the TV to
charge. It takes about 3 hours to fully charge the headphones. The LED will turn
RED during charging and turn off once charging is completed.
(Headphone)
micro USB charging cable
(phone charger / PC USB port/
TV USB port / any other USB outlet)
C: 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 headphone 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.
1716
Li-ion
battery
(Receiver)
P
U
S
H
MADE IN CHINA
Li-ion
battery
(Transmitter)
battery
cover
5.Charge the Headphone
battery
cover
Fig 5-1
Fig 5-2
Fig 5-3
Power
adapter
SM-825D Pro
SM-825D Pro
1) Please make sure the headphones are being worn properly.
B. It's a 90-degree rotation design that can't be folded up.If you experience
resistance while rotating, please check and change to the correct rotation
direction.
Fig 6-2
Caution










