MidiLand Speaker System 747H User Manual

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
A
C
-
3
/
d
t
s
R
E
A
D
Y
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  
A
C
-
3
/
d
t
s
R
E
A
D
Y
A
C
T
I
V
E
5
.
1
S
URR  
O
U
N
D
S
Y
S
R
TEM  
C
E
NTE  
S
TA  
N
D
BY  
M
I
N
MAX  
W
O
OFER  
M
I
N
MAX  
S
U
R
R
O
U
ND  
M
I
N
M
A
X
M
ASTER  
V
OL.  
M
I
N
MAX  
A
C
-
3
T
V
TA  
P
E
C
D
D/VCD  
V
D
(2-CH)  
M
U
T
E
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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