ACTIVE 5.1 HOME THEATER SURROUND SYSTEM
A
C
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3
/
dts
ACTIVE 5.1 SURROUND SYSTEM
DY
R
E
A
CENTER
STAND BY
MIN
MAX
WOOFER
MIN
MAX
SURROUND
MIN
MAX
MASTER
VOL.
MAX
MIN
AC-3
TV
TAPE
CD/VCD
DVD(2-CH)
MUTE
MLi-747H
Ower,s Manual
IMPORTANNT SAFEGUARDS
1. Read Instructions - All the safety and operating
instruction should beread before theproduct is
operated.
10. Ventilation - Slots and openings in the cabinet are
provided for ventilationand to ensurereliable
operation of the product and to protect it from
overheating, and these openings must not be
blocked or covered. The openings shouldnever
be blocked byplacing the producton a bed, sofa,
rug, or othersimilar surface. Thisproduct should
not be placedin a built- in installationsuch as a
bookcase or rackunless proper ventilationis
provided or the manufacturer s instruction have
been adhered to.
2. Retain Instructions - The safety and operating
instruction should be retained for future
reference.
3. Heed Warnings - All warning on the product and
in the operating instructions should be adhered to.
4. Follow instructions - All operating and use
instructions should be followed.
11. Power Sources - Thisproduct should beoperated
only from the type of power source indicated on
the marking label. If you are not sure of the type
of power supply to your home, consult your
product dealer or local power company. For
products intended tooperate from batterypower,
or other sources, refer to the operating
instruction.
5. Cleaning -Unplug this productfrom the wall
outlet before cleaning. Do not use liquid cleaners
or aerosol cleaners. Use a damp cloth for cleaning.
6. Attachments - Do not use attachments not
recommended by theproduct manufacturer as
they may cause hazards.
12. Grounding or Polarization - This product may be
equipped with a polarized alternating current line
plug (a plug having one blade wider than the
other). This plugwill fit intothe power outlet
only one way. This is a safety feature. If you are
unable to insert the plug fully into the outlet, try
reversing the plug, If the plugshould still failto
fit, contact your electrician to replace your
obsolete outlet. Do not defeat the safety purpose
of the polarizes plug.
7. Water and Moisture- Do notuse this productnear
water - forexample, near abath tub, washbowl,
kitchen sink, or laundry tub; in a wet basement, or
near a swimmingpool, and thelike.
8. Accessories -Do not placethis product onan
unstable cart, stand tripod, bracket, or table. The
product may fall, causing serious injuryto a child
or adult, andserious damage tothe product. Use
only with acart, stand, tripod, bracket, or table
recommended by themanufacturer, or sold with
the product. Anymounting of theproduct should
13. Alternate Warnings - Thisproduct is equipped
with a three- wire grounding - type plug, a plug
having a third(grounding) pin. Thisplug will
only fit intoa grounding -type power outlet. This
is a safety feature. If you are unable to insert the
plug into theoutlet, contact yourelectrician to
replace your obsolete outlet. Do not defeat the
safety purpose of the grounding - type plug.
,
follow the manufacturer s instructions, and
should use amounting accessory recommended
by the manufacturer.
9. A productand cart combinationshould be moved
with care. Quick stops, excessive force, and
uneven surfaces may cause the appliance and cart
combination to overturn.
Power - Cord protection - Power supply cords
should be routed so that they are not likely to be
walked on or pinched by items placed upon or
against them, paying particular attention to cords
at plugs, convenience receptacles, and point
where they exitfrom the product.
14. Protective AttachmentPlug - Theproduct is
equipped with an attachment plug having
overload protection. Thisis a safetyfeature. See
Instruction Manual for replacement or resetting
of protective device. If replacement ofthe plug is
required, be surethe service technicianhas used
a replacement plugspecified by themanufacturer
that has the same overload protection as the
original plug.
3
15. Outdoor Antenna Grounding - If an outside antenna
is connected to the receiver, be sure the antenna
system is grounded so as to provide some protection
against voltage surges and built- up staticcharges.
Article 810 ofthe National ElectricalCode,
ANSI/NFPA 70, provides information with regard
to proper grounding of the mast and supporting
structure, grounding of the mast and supporting
structure, grounding ofthe lead -in wire toan
antenna - discharge unit, size of grounding
conductors, location of antenna - discharge unit,
connection to groundingelectrodes, and requirements
for the groundingelectrode.
20. Servicing - Do not attempt to service this product
yourself as opening or removing covers may expose
you to dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.
21. Damage Requiring Service - Unplug this product
from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
a) When the power- supply cord or plug is
damaged.
b) If liquid has been spilled, or objects have fallen
into the product.
c) If the product has been exposed to rain or water.
d) If the product does not operate normally by
following the operating instructions. Adjust
only those controls that are covered by the
operating instructions as an improper
adjustment of other controls may result in
damage and will often require extensive work
by a qualified technician to restore the product
to its normal operation.
See figure:
ANTENNA
LEAD IN WIRE
GROUND
CLAMP
ANTENNA
DISCHARGE UIET
(NEC SECTION 810-20)
ELECTRIC
e) If the product has been dropped or damaged in
any way, and.
SERVICE
EQUiPMENT
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
f) When the product exhibits a distinct change in
performance - this indicates a need for service.
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250.PART H)
22. Replacement parts - When replacement parts are
required, be sure the service technician has used
replacement parts specified by the manufacturer
or have the same characteristics as the original
part. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
16. Lightning-For added protection for this product
during a lightning storm, or when it is left
unattended and unused for long periods of time,
unplug it from the wall outlet and disconnect the
antenna or cable system. This will prevent damage
to the product due to lightning and power-line surges.
23. Safety Check -Upon completion of any service or
repairs to this product, ask the service technician to
perform safety checks to determine that the product
is in proper operating condition.
17. Power Lines-An outside antenna system should not
be located in the vicinity of overhead power lines
or other electric light or power circuits, or where it
can fall into such power lines or circuits. When
installing an outside antenna system, extreme care
should be taken to keep from touching such power
lines or circuits as contact with them might be fatal.
24. Wall or Ceiling Mounting - The product should be
mounted to a wall or ceiling only as recommended
by the manufacturer.
25. Heat - The product should be situated away from
heat sources such as radiators, heat registers, stoves,
or other products (including amplifiers) that Produce
heat.
18. Overloading - Do not overload wall outlets,
extension cords, or integral convenience receptacles
as this can result in a risk of fire or electric shock.
19. Object and Liquid Entry-Never push objects of any
kind into this product through openings as they may
touch dangerous voltage points or short-out parts
that could result in a fire or electric shock. Never
spill liquid of any kind on the product.
4
SAFETY PRECAUTION
WARNING
To prevent fire or shock hazard, do not expose the
unit to rain or moisture.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:TO REDUCE THE RISK OFELECTRIC SHOCK
DO NOT REMOVE COVER (ORBACK)
NO USER-SERVICEABLE PARTS INSIDE
*Note: This product is forindoor use only.
REFER SERVICING TO QUALIFIED SERVICEPERSONNEL.
The lightning flash with arrowhead symbol ,within an
equilateral triangle, is intended to alertthe user to the
presence of uninsulated "dangerous voltage"within
the product's enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to
persons.
The exclamation point withinan equilateraltriangle
is intended to alert the user to the presence of
important operating and maintenance (servicing)
instructions in the literature accompanying the
product.
IMPORTAANT SAFEETTY INSTRUUCTIONS
1. Save the user's manual
The user's manual should be saved and kept on hand as a convenient reference.
2. Cleaning the unit
Disconnect the mains plug from the outlet before attempting to clean the unit.
Do not use harsh abrasives or chemicals to clean it, as it will damage the surfacefinish.
Use only a soft and damp cloth.
3. Accessories
Please use the accessories enclosed in the unit. Damage caused by using non-recommendedor
non-provided accessories would not be warranted.
4. Placement
Do not use this unit near water.
Do not allow anything to dropinto the subwoofer case through itsventilator, as it couldresult
in fatal electric shock or fire.
Place the unit far enough from other equipments for good heat dissipation.
Place the unit on a stable surface and out of reachof children to avoid damage to the unit or the
risk of injury to people.
5. Maintenance
To avoid shock hazard or damage to the unit, do notattempt to remove the cover or the rear panel.
All servicing should be referred to qualified service personnel.
5
PACKING LIST
1
Remote Control
Subwoofer speaker
1 pc
1 pc
2
3
Center Speaker
Front Speaker
1 pc
4
2 pcs
2 pcs
1 pc
1 roll 40m
2 pcs
4x3 pcs
5
Surround Speaker
,
6
Owner s Manual
Speaker Connecting Cable
7
8
Battery (AAA type)
Screw
9
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ACTIVE 5.1 SURROUND SYSTEM
CENTER
STAND BY
MIN
MAX
WOOFER
MIN
MAX
SURROUND
MIN
MAX
MASTER
VOL.
MAX
MIN
AC-3
TV
TAPE
CD/VCD
DVD(2-CH)
MUTE
1
2
3
4
5
USERS MANUAL
9
6
7
8
PLACEMENT OF THE SPEAKERS
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MAX
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V
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M
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MAX
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D/VCD
V
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(2-CH)
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6
THE REMOTTE CONNTROL
POWER
MUTE
Controls the stand by or operating mode of the system.
POWER
VOLUME
Turns the volume of the system on or off.
Adjusts the volume level.
MUTE
VOL-, VOL+
DESCRRIPTIIOON OF THHE FRONNT PANEEL OF THHE SUBWWOOFER
1. MASTER VOLUME KNOB / POWER
INDICATOR
This knob adjusts the volume of the system.
ACTIVE 5.1 SURROUND SYSTEM
AC-3/dts
READY
When the power is on, the indicator light will
illuminate.
CENTER
5
STAND BY
4
3
2
MIN
MAX
WOOFER
2. SURROUND VOLUME
This knob adjusts the volume of the sur-
roundspeakers.
MIN
MAX
SURROUND
MIN
MAX
3. WOOFER VOLUME
MASTER
VOL.
1
This knob adjusts the volume of the sub-
woofer speaker.
MAX
MIN
AC-3
6
4. CENTER VOLUME
This knob adjusts the volume of the centre
speaker.
TV
7
8
9
TAPE
CD/VCD
DVD(2-CH)
MUTE
10
11
5. STAND-BY
Controls the stand-by or operating mode of the
system. If the indicator on the MASTER VOL.
turns red, the system is in stand-by mode; if the
indicator turns green, the system is in operating
mode.
6. AC-3 / INDICATOR
Press it to choose the AC-3(5.1) input mode.
The indicator will light.
7. TV / INDICATOR
Press it to choose the TV input mode. The
indicator will light.
8. TAPE / INDICATOR
Press it to choose the TAPE input mode. The
indicator will light.
9. CD/VCD/DVD(2-CH) / INDICATOR
Press it to choose the CD/VCD/DVD(2-CH)
input mode. The indicator will light.
10. MUTE / INDICATOR
11. SENSOR FOR REMOTE CONTROL
7
DESCRRIPTIOON OF TTHHE REAARR PANELL OF THHEE SUBWOOOFER
AC-3 (5.1) INPUT 1
1. FRONT INPUT R/L
Front channel input connectors of the system.
2. SURROUND INPUT R/L
Surround channel input connectors of the
system.
3. CEN INPUT
Center channel input connector.
4. SUB INPUT
Subwoofer channel input connector.
AC-3 (5.1) INPUT 2
5. 9-PIN DIN CONNECTOR INPUT
4
2-CH INPUT
6. TV INPUT (R/L)
SUB
R
L
R
L
5
POWER
ON
These connectors are used to receive the TV
or set-top box signal.
7. TAPE INPUT (R/L)
CD/VCD
DVD(2-CH)
FRONT
SURROUND
CEN
TV
TAPE
14
OFF
FUSE
1
2
3
6
7
8
15
16
These connectors are used to receive the tape
signal.
AC IN
FRONT
SURROUND
CEN
8. CD/VCD/DVD INPUT(R/L)
These connectors are used to receive the signal
from a CD/VCD/DVD(2-CH)player.
R
L
R
L
9 10 11 12 13
OUTPUT
9. FRONT-R (+/-)
Front-right channel output connectors.
10. FRONT-L (+/-)
Front-left channel output connectors.
11. SURROUND-R (+/-)
Surround-right channel output connectors.
12. SURROUND-L (+/-)
Surround-left channel output connectors.
13. CEN (+/-)
Center channel output connectors.
14. POWER
This turns the power of the system on/off.
15. FUSE
This is an easy to replace external fuse(with
rating 2.5A) to guard against unstable voltage
or current.
16. AC IN
AC power cord.
8
CONNECTIONS
* To prevent malfunction and/or damage to speakers or other devices, always turn down the volume,
and turn offthe power on all devices beforemaking any connections.
<Connections of the Subwoofer, the Center, the Front and the Surround Speakers>
FL
SL
FL
SL
SUB
SUB
R
L
R
CEN
POWER
ON
CD/VCD
DVD(2-CH)
F
R
O
N
T
SURROUND
C
E
N
T
V
TAPE
OFF
FUSE
A
C
I
N
FRONT
SURROUND
CEN
R
L
R
L
1. Connect the FR speaker to the OUTPUT-FRONT(R) spring tags of the subwoofer -- the striped
wire to the red positive terminal and the NON-STRIPED wire to the BLACK negative terminal.
2. Connect the FL speaker to the OUTPUT-FRONT(L) spring tags of the subwoofer -- the striped
wire to the red positive terminal and the NON-STRIPED wire to the BLACK negative terminal.
3. Connectthe SR speaker tothe OUTPUT-SURROUND(R)spring tags ofthe subwoofer -- the striped
wire to the red positive terminal and the NON-STRIPED wire to the BLACK negative terminal.
4. Connectthe SL speaker to the OUTPUT-SURROUND(L)spring tags of the subwoofer -- the striped
wire to the red positive terminal and the NON-STRIPED wire to the BLACK negative terminal.
5. Connect the CEN speaker to the OUTPUT-CEN spring tags of the subwoofer -- the striped wire
to the red positive terminal and the NON-STRIPED wire to the BLACK negative terminal.
<Connections of the subwoofer and the audio source>
To CD / VCD / TV / TAPE PLAYER
AC-3(5.1)IN PUT1
AC-3(5.1)INPUT
2
2-CH INPU T
SUB
To an AC-3 (5.1) Audio
Source with a 9-pin Din
Connector
R
L
R
L
To D VD
POWER
ON
CD/VCD
DVD(2-CH)
FRONT
SURROUND
CEN
TV
TAPE
OFF
FUSE
The AC-3 (5.1) INPUT 1 connectors on the subwoofer are used for connecting a 5.1 channel device with
separate front,
surround,centre and subwoofer outputs such as a DVD player.
The AC-3 (5.1) INPUT 2 connector on the subwoofer is used for connecting a 5.1 channel device with its
output on a 9-pin DIN connector such as a computer soundcard.
The three input connections marked as 2-CH INPUT are used for connecting up to three 2-channel (stereo)
devices, such as a TV, digital set-top box,CD player, radio tuner, tape player or any audio device offering a
LINE-OUT audio connection.
9
OPERATION
1. Press down the tip of the POWER rocker switchwith a white "1" on the backof the subwoofer to
turn on the system. The system is then set in STAND-BY mode and the indicator light on the
MASTER VOL. knobon thefront panel will turn red .
2 . P r e s s t h e POWER button on the remote control or the STAND-BY button on the front panel
of the subwoofer once, and the system will switch to OPERATING mode and the indicator light
on the
MASTER VOL. will turn green.
3. Press the AC-3, TV, TAPE or the CD/VCD/DVD(2-CH) button to choose the right source of audio
input mode, and its corresponding indicator light will turn green.
4. Rotate the following knobs on the front panel of the subwoofer clockwise to a suitable listening
level:
a) CENTER
b) WOOFER
c) SURROUND
d) MASTER VOL.
Or, press the VOLUME UP and VOLUME DOWN buttons on the remote control to adjust
the volume level of the system:
a)pressthe VOLUMEUP button, andtheMASTERVOL. knobonthe front panelofthesubwoofer
will turn clockwise and the volume level of the system will be increased.
b)pressthe VOLUME DOWN button, and the MASTER VOL. knob on the front panel of the sub-
woofer will turn counterclockwise and the volume level of the systemwill be decreased.
5. Press the MUTE button on the remote control once to turn off the volume of the system, and the
mute indicator light on the front panel of the subwoofer will turn green, To turn on the volume of
the system, pressthe MUTE button again and the mute indicator light will turn off.
* It is recommendedthat the POWER rocker switch on the back of the subwoofer be turned off and
that the AC power cord be unplugged from the supply when the system is left unused for a long
period of time.
BATTEERY INNSSTALLAATION
Batteries(AAA type)
IMPORTANT NOTES
<AC Power >
Make sure that the power supply is correct and never handle the power cord or its plug with wet
hands when plugging into, or unplugging from, an outlet.
Ensure that the main power switch is in the "OFF" position before connectingthe AC power cord
to the power supply to avoid damage to the system.
A damaged power cord can easily cause an electric shock or fire hazard. Never use a power cord
after it has been damaged.
10
SPECIFICATIONS
MLi-747H
SUBWOOFER
60W
2 0 W x 2
2 0 W
FRONT
POWER
OUTPUT
(RMS)
CENTRE
2 0 W x 2
SURROUND
SUBWOOFER
WOOFER, 61/2", 8 W
FULL RANGE, 3", 16W
TWEETER, 1"
FRONT
SPEAKER
UNIT
FULL RANGE, 3", 16W
CENTRE
TWEETER, 1"
FULL RANGE, 3", 8 W
TWEETER, 1"
SURROUND
RATED IMPEDANCE
FREQUENCY RESPONSE
S/N RATIO
>7 KW
20 Hz ~20 KHz
>70dB
220(W) x 380(H) x 300(D) mm
90(W) x1020(H) x 105(D) mm
280(W) x 90(H) x 105(D) mm
90(W) x 1020(H) x 105(D) mm
SUBWOOFER
FRONT
DIMENSIONS
CENTRE
SURROUND
11
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