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• Leave the installation to your TOA dealer because

the installation requires expert knowledge.
Improper installation may cause the unit to fall,
resulting in personal injury and/or property
damage. 

• Install the unit in a location that can structurally

support the weight of the unit and its mounting
hardware. Doing otherwise may result in the unit
falling down and causing personal injury and/or
property damage. 

• Do not use other methods than specified to mount

the unit. Extreme force is applied to the unit and
the unit could fall off, possibly resulting in personal
injuries.

• Tighten each screw securely. Ensure that the unit

has no loose joints after installation to prevent
accidents that could result in personal injury.

• Use the specified mounting hardware in

combination. Doing otherwise may cause the unit
or component to fall off, resulting in personal injury.

• Should the following irregularity be found during

use, immediately stop operating the unit and
contact your nearest TOA dealer. Further attempt
to use under this condition may cause fire or
electric shock. 

· If you detect smoke or a strange smell coming

from the unit 

· If no tone sounds 

• Avoid installing the unit in humid or dusty locations,

in locations exposed to the direct sunlight, near the
heaters, or in locations generating sooty smoke or
steam as doing otherwise may result in fire or
electric shock. 

• Do not operate the unit for an extended period of

time with the sound distorting. This is an indication
of a malfunction, which in turn can cause heat to
generate and result in a fire.

• Avoid touching the unit's sharp metal edge to

prevent injury.

2

CAUTION

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

Содержание F-1522SC

Страница 1: ...IMENSIONS 3 5 INSTALLATION 4 6 REMOVING THE SPEAKER FOR MAINTENANCE 6 7 REPAINTING THE SPEAKER 7 8 SPECIFICATIONS 8 Accessories 8 Optional Component 8 Please follow the instructions in this manual to...

Страница 2: ...usty locations in locations exposed to the direct sunlight near the heaters or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock Do not operate the u...

Страница 3: ...de dispersion flush mount ceiling speaker design employs unique acoustic construction to realize a wide area of coverage Uniform sound output levels are achievable not only directly under the speaker...

Страница 4: ...nt the optional Reinforcement Ring HY RR1 to the ceiling Weak ceiling mounting Tip Skip this step when the ceiling is strong no additional hardware needed 4 Ceiling panel 135 5 mm 5 5 16 13 64 A dust...

Страница 5: ...of the HY RR1 Ensure that the mounting tab presses the HY RR1 Mounting tab HY RR1 Cut out section Avoid this way 4 1 Insert the speaker through the mounting hole till it contacts the ceiling panel Wh...

Страница 6: ...on the unit s front to set it to the desired input impedance Factory preset to 1 7 k Important Never set this switch to low impedance 8 or 16 settings when using a high impedance 25 70 or 100 V line F...

Страница 7: ...t grille Step 1 Clean the front grille before painting Wipe with a soft cloth dampened in a detergent Caution Do not use thinner or other volatile liquids to clean the grille Step 2 Spray on a uniform...

Страница 8: ...nse 65 18 000 Hz 10 dB 45 20 000 Hz 20 dB at installation in 1 2 free sound field Measured by installing the unit in the center of a ceiling Speaker Component 10 cm 4 cone type Mounting Hole 135 mm 5...

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