FD
Home Central Audio System HM6812
User's Manual
Welcome to use DSPPA Home Central Audio System. Please read the manual carefully before your operation.
Guangzhou DSPPA Audio Co., Ltd.
http://www.DSPPA.com
Infrared Remote Controller
HM21R
Home Central Audio System HM6812
Remote Control Pad
HM6812
Speaker Unit
Speaker Unit
Table of Contents
1. ABOUT HOME CENTRAL AUDIO SYSTEM.....................................................................................1
2. FEATURES................................................................................................................................................1
3. PANEL DESCRIPTION...........................................................................................................................1
3.1. Front Panel.........................................................................................................................................1
3.2 Rear Panel..........................................................................................................................................2
4. SYSTEM CONNECTION........................................................................................................................3
4.1 Legend of System Connection...........................................................................................................3
4.2 Legend of Zone Connection...............................................................................................................4
5. SYSTEM OPERATION...........................................................................................................................4
5.1 Room Turn On/Off..........................................................................................................................4
5.2 Music Source Selection......................................................................................................................5
5.3 Volume Control and Tone Adjustment..............................................................................................5
5.4 Control Unit Alarm and the Reason...................................................................................................5
6. FUNCTIONS OF KEYS OF HM21 (INFRARED REMOTE CONTROLLER)................................6
7. PRECAUTIONS........................................................................................................................................7
7.1 Safety Operation................................................................................................................................7
7.2 After-sales Service.............................................................................................................................7
8. PACKING LIST........................................................................................................................................8
9. SPECIFICATIONS...................................................................................................................................8
1. About Home Central Audio System
HM6812 System is an ideal modern family music control system, which is composed of control unit
(HM6812), remote control pad (HM20R), infrared remote controller (HM21) and some speaker units.
The system is simple in operation and complete in function. The control unit has built-in zone distributor
and amplifier, with 6 external music source input ports, 6-room stereo outputs and 6-room volume
independent control.
Each room with a remote control pad, through which music source can be selected, and room volume and
treble/bass can be adjusted. It is also available to turn on/or turn off the room through its inner pad. Setup
of the control pad address can separate one room from the others. In addition, each room control pad with
a universal infrared remote controller which has same functions with the control pad.
6 music source channels can be connected to DVD player, MP3 player, radio, PC, TV or other audio
device. 6 rooms can play the same music or different music simultaneously.
2. Features
l Modern home music control system with room signal distribution function.
l System with room remote control pad and infrared remote controller, convenient to carry on the
remote control operation of switch on / off, music source selection, tone and volume control for each
room.
l Control unit has already included a zone distributor, amplifier, and 6 stereo music input ports
(including DVD, MP3, TUNER, PC, TV and AUX).
l Control unit with signal matrix function. (6 music source inputs, 6 zone outputs).
l Convenient light-touch button operation, having the button tone prompt function, with indicators
showing the working status.
l 6 room switching on / off, independent volume and tone control.
l 6 room with independent remote control pad.
l Power failure memory function for all operations.
3. Panel Description
3.1. Front Panel
Home Central Audio System
M
P6812
POWER
ON OFF
DVD
MP3 TUNER
PC
TV TV SELECT VOLUME
1 2
4 5 6 7
3
HM6812
* * Family Music Control System
2
1 Power indicator
The indicator is on while turn on the power.
2 Power switch
Press down this button for turn on the power.
3 Receiving window for infrared remote control
4 Music selection button
To select the music source for each room and turn on/off the room, the corresponding indicator is on
when one music source is selected.
5 Volume adjustment button
To increase the volume in the room.
6 Volume adjustment button
To decrease the volume in the room.
7 Selective music source indicator
The corresponding indicator is on when a certain music source channel is selected for the room.
3.2 Rear Panel
1 Left audio input channel with XLR Socket
2 Right audio input channel with RCA Jack
3 6 music source input ports
6 music sources include DVD, MP3, radio, PC, TV and auxiliary audio signal.
4 Negative port
For data exchange between remote control pad and system control unit (Attention! don’t make polarity
reversal between control pad and control unit.)
5 Positive port
1 2
3
4 5
6
7
* * Family Music Control System
3
For data exchange between remote control pad and system control unit (Attention! don’t make polarity
reversal between control pad and control unit.)
6 Zone left audio output channel
Connect with speaker unit in each room. Attention to the polarity connection between control unit and
speaker unit.
7 Zone right audio output channel
Connect with speaker unit in each room. Attention to the polarity connection between control unit and
speaker unit
4. System Connection
4.1 Legend of System Connection
MP3 Player
Tuner
Tape Player
TV
DVD Player
Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
Zone 6
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4.2 Legend of Zone Connection
ATTENTION: don’t make polarity reversal between control unit and control pad /
speaker units in each room.
5. System Operation
Connect the system properly as per the diagram given above. Press down the power switch of control unit
to turn on the power. Then switch on the connected music source device. Select the music source for each
room and adjust the room volume and tone.
During system operation, a tick of prompt tone can be heard from speakers in the room when press
function keys on the panel of control unit, remote control pad or remote controller.
5.1 Room Turn On/Off
① Turn on the power of control unit, the system will resume to the operating state before last power-off.
If a certain music source was selected in one room before the last power-off, the system will turn on
the room and the selected music source after power on. If the music source in one room was turned
off before last power-off, the room is at off status after power on. In this case, the room can be turned
on if slightly press once the music selection button of this room, meanwhile the last turn-off music
source before last power-off will be turned on. (Indicator of the corresponding music source will be
on)
② Turn off the power of control unit can turn off all rooms.
Room 1
Room 6
Room 1-6
Left Channel
Right Channe
l
Left Channel
Right Channel
* * Family Music Control System
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③ A room will be turned off after press the music selection button of this room over 3 seconds.
④ Press button “ ” on the room remote control pad can turn on/off the room.
⑤ Press button “ ” on the infrared remote controller can turn on/off the room. (Note: the infrared
remote controller is universal for all rooms)
5.2 Music Source Selection
After system power on, on the control unit, if a music source indicator of one room is on, this shows that
the corresponding music source channel has been switched on. In this case, the system will start playing
the music from connected music device. You can use “SELECT” button of this room to change the input
music source, or you can use the remote control pad to the same job. The operation method and indicator
displaying of remote control pad is similar to the control unit. In addition, 6 music source selection keys
on the infrared remote controller can select the music source directly in each room.
5.3 Volume Control and Tone Adjustment
Volume in each room with 18 grades can be adjusted through the “VOLUME▲” and “VOLUME▼”
button on the panel of control unit, remote control pad or infrared remote controller. Please refer to the
“Description of front panel function” section of the main system for the operation method of the volume
of the main system.
Please refer to the section of “Panel Description” and “Functions of Keys” for volume operation of
control unit, remote control pad and infrared remote controller.
Treble/Bass in each room has the range of ±12dB. Press once the key of Treble/Bass can increase or
attenuate the tone for 2dB, namely, the tone can be increased or attenuated in 6 levels. The tone can be
adjusted through 4 keys on the remote control pad and remote controller of each room: “BASS▲” and
“BASS▼”, “TREBLE▲” and “TREBLE▼”. Please refer to the section of “Functions of Keys” for the
detailed operation method.
5.4 Control Unit Alarm and the Reason
While control pad having short circuit problem or polarity reversal with control unit, the inner buzzer in
control unit will send out the alarm tone of “Tick, Tick, Tick”. Please turn off the control unit before
check these problems.
If alarm still happens after restart the system, please turn off the control unit firstly, then disconnect the
line between remote control pad and control unit and restart the system. In this case, if alarm happens
again, it means that the control unit has a failure; otherwise, the remote control pad may have short
circuit failure or the system line connection is incorrect.
* * Family Music Control System
6
6. Functions of Keys of HM21 (Infrared Remote Controller)
Remind: When the infrared remote controller send signal to control unit directly, it can manage all
system functions in room 1. The blue keys on the panel are vacancy keys.
The operations of all function buttons on the remote controller are light touch. Please don't
overpress the buttons to prevent damage !
Illustration of Receiving Angle of Infrared Remote Control Signal
Receiving angle of control unit is 90° Receiving angle of remote control pad is 90°
Warnings!
Power Button
Music Source
Selection Button
Bass Increase
Button
Bass Attenuate
Button
Treble Attenuate
Button
Treble Increase
Button
Volume Increase
Button
Volume Decrease
Button
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7. Precautions
7.1 Safety Operation
l Please don’t insert the power plug of the equipment into the power network before connecting the
system properly.
l It should be ensured that the voltage provided for the equipment is completely same with the voltage
required by the equipment; otherwise, there may be risk of damaging the equipment.
l Please don't open the shell without authorization to prevent electric shock.
l The machine isn't disconnected from the power network completely when the power switch of the
equipment is at "off" status. For safety, please pull out the power plug from the socket when the
equipment is out of use.
l Please don't settle the equipment at a place with over cold or overheat.
l It is required to ensure a good ventilation working condition for the equipment to prevent overheat
during operation and damage of machine due to a high temperature.
l The master power supply switch should be turned off in very damp weather or when the device is not
to be used for a long time.
l It is required to pull out the power plug from the socket and to ensure the equipment fully disconnect
from the power network before disassembling or re-assembling any part of the equipment,
disconnecting or re-connecting any electric appliance or other connections.
l When the equipment is found with a failure, the non-professional personnel without authorization
should not open the shell for repairing to prevent accidental event.
l Don’t place any corrosive chemical substance around or on the top of equipment.
7.2 After-sales Service
l For the quality problems occurred in the operations complying with rules in the User’s Manual, our
company will provide free of charge guarantee service for one year (including free replacement of
part) from the date of purchase
l To obtain these guarantee services, consumer should present the Card of Guarantee, and sales invoice
as credential.
l The following conditions don’t belong to the guarantee:
(1) Product damage caused by wrong installation, application or handling.
(2) Product damage caused by abnormal conditions such as over voltage or extreme humidity, etc.
(3) Product damage caused by the accidents from force majeure.
(4) The number of product on the shell has been altered or removed.
(5) The product has been repaired or modified by the unauthorized personnel.
l Please keep the User’s Manual and Card of Guarantee properly.
* * Family Music Control System
8
l As to the terms or precautions not mentioned in the User’s Manual, please contact the distributor or
visit the web page of our company: http://www.dsppa.com.
8. Packing List
Model HM6812 control unit, 1 set
Infrared remote controller (HM21), 1 piece
User’s Manual, Card of Guarantee and Quality Certificate, 3-pin power cord (AC220 V/10A), and 1.5
meter 2-2 RCA jack connecting line,
9. Specifications
Item Specifications
Zone quantity 6 zones, 2 channel outputs with amplifier in each zone
Function Of I
nfrared Remote
Controller
May control all system functions of zone 1
Remote
Control
Function
It is available to control all system functions in each zone.
Communication
Cable
Twin wire, twisted line or parallel line(diameter＞ 0.5mm, circuit
resistance <50Ω)
Communication
Distance
within 300 m
Zone Remote
Control Pad
Maximum
Quantity
6, all in parallel, setting up the address of control pad in each zone
through jumper wire method.
Input Sensitivity 250mV±25mV
Input Resistance >10KΩ
Zone Output
Power
20W/4Ω(distortion ≤1%) (all zone total power≮150W)
Frequency
Response
20Hz-20kHz±0.5dB
Total Harmonic
Distortion (THD)
Less than 0.2%, at 1 kHz, 1/3 rated output power
Output
Adjustment Rate
From full load down to no load, less than 3dB
Tone Control
Bass: ±10 dB/100 Hz
Treble: ±10 dB/10 kHz
Audio
Specifications
Signal/Noise Better than 76dB
Power Supply AC220V 50/60Hz
Consumed Power <200W
Protection AC220V/F4A
Dimensions 485×88×345mm
Net weight 8Kg
Specifications are subject to be changed without notice.
http://www.DSPPA.com
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