Toa A-230 HV Operating Instructions Manual Download Page 2

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When Installing the Unit

• 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 100 V 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 the Unit is in Use 

• 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 (exposure 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
you 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

materials in the ventilation slots of the unit's cover,
as this may result in fire or electric shock.

When Installing the Unit

• Never plug in nor remove the power supply plug

with wet hands, as doing so may cause electric
shock.

• When unplugging the power supply cord, be sure

to grasp the power supply plug; never pull on the
cord itself. Operating the unit with a damaged
power supply cord may cause a fire or electric
shock.

1. SAFETY PRECAUTIONS

• Be sure to read the instructions in this section carefully before use.
• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages

regarded as very important precautions are included.

• We also recommend you keep this instruction 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.

Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.

WARNING

CAUTION

CAUTION

Summary of Contents for A-230 HV

Page 1: ...uture reference 1 SAFETY PRECAUTIONS 2 2 GENERAL DESCRIPTION 3 3 FEATURES 3 4 NOMENCLATURE AND FUNCTIONS 4 1 Front 3 4 2 Rear 4 5 MUTING FUNCTION 4 6 INSTALLATION 5 7 CONNECTIONS 7 1 Input Connections...

Page 2: ...ly cord is damaged exposure 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 compo...

Page 3: ...ed for paging announcement or background music in schools offices shops factories mosques churches and small rooms 3 FEATURES High durability high reliability and high performance Three microphone inp...

Page 4: ...ion for details 13 MIC 1 MIC 2 and MIC 3 Inputs 60 dBV 1 mV 600 unbalanced Because microphone input is unbalanced type use a single pole phone plug Refer to Input Connection for details 14 Muting Leve...

Page 5: ...al temperature rise over 10 cm over 10 cm over 10 cm 7 2 Output Connections Be sure to replace the supplied terminal cover after connection completion Because high voltage is applied to the speaker te...

Page 6: ...mn Speaker with Matching Transformer 100 V Line Horn Speaker with Matching Transformer 12 V DC Battery 8 VOLUME CONTROL SETTINGS Output levels are adjustable with individual volume controls For music...

Page 7: ...100 V output 40 dBV 40 60 40 20 20 0 dBV Mic 60 dBV MIC3 600 60 dBV Unbalanced MIC2 600 60 dBV Unbalanced MIC1 600 60 dBV Unbalanced AUX 10 k 20 dBV Unbalanced DC Fuse PT AC Fuse 100 V 4 COM 12 V DC I...

Page 8: ...in jack Speaker Out All Speaker Outputs are Floating Balanced 100 V 330 4 11 V S N Rasio Over 60 dB MIC1 2 3 Over 70 dB AUX Tone Controls Bass 10 dB at 100 Hz Treble 10 dB at 10 kHz Muting MIC1 overri...

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