Toa A-3224D-AS 1 User manual

INSTRUCTION MANUAL
DIGITAL MIXER AMPLIFIER
TABLE OF CONTENTS
SAFETY PRECAUTIONS 
1. 
GENERAL DESCRIPTION 
2. 
FEATURES 
3. 
NOMENCLATURES AND FUNCTIONS
4.
ABOUT OPERATING MP3 
5. 
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HTXLSPHQW
MUTING FUNCTION 
6.
9.
8.
10.
BLOCK AND LEVEL DIAGRAMS 
DIMENSIONAL DIAGRAM 
SPECIFICATIONS  
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CONNECTIONS
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7.

A-3224D-AS 1/A-3248D-AS 1
A-3212DM-AS 1/A-3224DM-AS 1/A-3248DM-AS 1
A-3212DMZ-AS 1/A-3224DMZ-AS 1/A-3248DMZ-AS 1
A-3248DME-AS 1

2
x
x
Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
cautions regarding safety.
x After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
WARNING Indicates a potentially hazardous situation which, if mishandled, could
result in death or serious personal injury.
CAUTION Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
WARNING
Do not expose the unit to rain or an environment
where it may be splashed by water or other liquids,
as doing so may result in fire or electric shock.
Use the unit only with the voltage specified on
the unit. Using a voltage higher than that which is
specified may result in fire or electric shock.
Do not cut, kink, otherwise damage nor
modify the power supply cord. In addition, avoid
using the power cord in close proximity to
heaters, and never place heavy objects
including the unit itself on the power cord, as
doing so may result in fire or electric shock.
The terminals marked with the symbol are
hazardous live. The external wiring to these
terminals requires installation by an instructed
person.
The socket-outlet shall be installed near the
equipment and the plug (disconnecting device)
shall be easily accessible.
Be sure to replace the unit’s terminal cover
after connection completion. Because the
voltage of up to 100V is applied to the high
impedance speaker terminals, never touch these
terminals to avoid electric shock.
Be sure to ground to the safety ground (earth)
terminal to avoid electric shock. Never ground to
a gas pipe as a catastrophic disaster may result.
When Installing The Unit
x
x
x
x
x
x
x
Should the following irregularity be found
during use, immediately switch off the power,
disconnect the power supply plug from the AC
outlet and contact your nearest TOA dealer.
Make no further attempt to operate the unit in this
condition as this may cause fire or electric shock.
If you detect smoke or a strange smell coming
from the unit.
If water or any metallic object gets into the unit.
If the unit falls, or the unit case breaks.
If the power supply cord is damaged (expo
sure of the core, disconnection, etc.)
If it is malfunctioning (no tone sounds.)
To prevent a fire or electric shock, never open nor
remove the unit case as there are high voltage
components inside the unit. Refer all servicing to
your nearest TOA dealer.
Do not place cups, bowls, or other containers of
liquid or metallic objects on top of the unit. If they
accidentally spill into the unit, this may cause a fire
or electric shock.
Do not insert nor drop metallic object or
flammable materialsin the ventilation slots of the
unit’s cover, as this may result in fire or electric
shock.
When The Unit is in Use
x
x
x
x
x
x
x
x
x
1. SAFETY PRECAUTIONS


CAUTION
When InstallingThe Unit
When The Unit is InUse
2. GENERAL DESCRIPTION
3. FEATURES
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4. NOMENCLATURES AND FUNCTIONS
[Rear Panel]
[Front Panel]
For A-3000D-AS Series, A-3000DM-AS Series & A-3000DMZ-AS Series
[Rear Panel]
[Front Panel]
For A-3248DME-AS
1. Power Switch
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2. Power Indicator
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3. Protect Indicator
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4. Signal Indicator
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VLJQDO
5. Peak Indicator
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Put back this te
CAUTIO
after connecting
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Put back this te
CAUTIO
after connecting
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6. Volume Control for MIC
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7. Volume Control for MIC 4/AUX 1
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8. Volume Control for AUX
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9. Master Volume Control
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10. Bass Control
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11. Treble Control
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12. MP3Panel
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13. MP3Volume Control
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14. AllCall Knob
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$'0=$6
15. Zone Selector Knob
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16. 5 Bands Equalizer
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17. Output Terminal
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LPSHGDQFHVSHDNHU
18. TerminalCover
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VSHDNHUFRUGV
19. Impedance Selector
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20. Zone Selector Terminal
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EOH RQO\IRU$'0=$6$'0=$6 DQG
$'0=$6
21. MIC1 Input Terminal
–G%P9 : HOHFWURQLFDOO\EDODQFHG
)RUSKDQWRPPLFURSKRQHW\SHVHHQXPEHU
3KRQHSOXJXVHVGRXEOHSROHW\SHEXWDOVRFDQ
XVHVLQJOHSROHW\SH
22. MIC1 Input Terminal for Chime Microphone
8VHWKLVWHUPLQDOIRUFRQQHFWLRQRI&KLPH
PLFURSKRQHXVLQJ5-3OXJ
23. MIC 2 - 5 Input Terminals
%HFDXVHPLFURSKRQHLQSXWLVEDODQFHGW\SH
SKRQHSOXJXVHVGRXEOHSROHW\SHEXWDOVRFDQ
XVHHYHQVLQJOHSROHW\SH
24. AUX 1 & AUX 2 Input Terminal
– G%N:XQEDODQFHG0RQDXUDO5&$SLQMDFN
$FFHSWH[WHUQDOHTXLSPHQWRXWSXWVLJQDO

25. Recording Output
G%9 : XQEDODQFHG2XWSXWDOOLQSXW
VLJQDOEHIRUHWKHPDVWHUYROXPHFRQWURO&RQQHFW
WRDFDVVHWHGHFNHWFZKHQUHFRUGLQJWKH
EURDGFDVWFRQWHQW
26. Input Selector
6HOHFWLQJWR0,& IRUXVLQJEDODQFHG–G% : 
LQSXWRU VHOHFWLQJWR $8;IRUXQEDODQFHG– G%
N:LQSXW1RWDYDLODEOHIRU$'0($6PRGHO
)DFWRU\SUHVHW$8;
27. Muting Level Control
$GMXVWDWWHQXDWLQJOHYHOIURPWR – G%
)DFWRU\SUHVHW – G%PD[LPXPPXWLQJOHYHO
28. Phantom Switch
6HOHFWLQJ WR 21 SRVLWLRQ VXSSOLHVSRZHUIRU
FRQGHQVHU PLFURSKRQH IURP0,& %H VXUH WR
VHOHFW2))ZKHQXVLQJWKHPLFURSKRQHWKDWFDQQRW
RSHUDWHGRQSKDQWRPSRZHU7KHSKDQWRPSRZHU
LV9'&
)DFWRU\SUHVHW2))
29. Function Switch
6HOHFWLQJ WROHIWIRU XVLQJ EDODQFHG FRQQHFWLRQ
–G% : LQSXWSKRQHMDFN
RUVHOHFWLQJWRULJKWIRUXVLQJ FKLPH PLFURSKRQH
LQSXW5-
)DFWRU\SUHVHWOHIWSKRQHMDFN
30. Ground Terminal
&RQQHFWWRJURXQGHDUWKWRDYRLGHOHFWULFVKRFN
31. AC Power Cord
&RQQHFWWRDQ$&SRZHUVRXUFH
0LFDYDLODEOHIRU$'0($6PRGHORQO\
–G%P9 : HOHFWURQLFDOO\EDODQFHG

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[MP3 Panel]
32. AUX REC/PSET
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33. Volume Decrease/Skip to Last Track
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34. Play/Pause
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35. Volume Increase/Skip to Next Track
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N+] 3UHVVLQJ WKLV EXWWRQ IRU  VHFRQGV ZLOO
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36. Mode
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IRUVHFRQGVZLOOWXUQRIIWKHXQLW:KHQWKHXQLW
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37. Display Indicator
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GLVSOD\HGĺZLWKN+]
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DQGGLVSOD\HG&+ĺ&+
USB Indicator : ZKHQ86%FRQQHFWHGWKLVLQGLFD 
WRU OLJKWV XS DQG EOLQNLQJ RQ WKH GLVSOD\ ILOH LV
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SD Indicator : ZKHQ6'FRQQHFWHGWKLVLQGLFDWRU
OLJKWVXSDQGEOLQNLQJRQWKHGLVSOD\ILOHLVUHDG\
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FM Indicator : ZKHQ)0PRGHVHOHFWHGRUZKHQ
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BT Indicator : ZKHQ FRQQHFWHG  SDLULQJ WKLV
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Play Indicator : LQ03PRGHLOOXPLQDWHGZLWK
EOLQNLQJGLVSOD\LQGLFDWLQJRSHUDWHG3/$<
Pause Indicator : LQ03PRGHLOOXPLQDWHG
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AUX Indicator : ZKHQ$8;PRGHVHOHFWHGLQSXW
IURP$8;0,&FRQQHFWHGWR03
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38. AUX REC Indication
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39. IR Receiver
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40. SD CardInput
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41. USB Card Input
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5. ABOUT OPERATING MP3
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