Toa BC-900 User Manual
OPERATING INSTRUCTIONS
BATTERY CHARGER BC-900
Thank you for purchasing TOA's Battery Charger.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
133-12-889-7D
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS ................................................................................ 2
2. GENERAL DESCRIPTION .............................................................................. 3
3. HANDLING PRECAUTIONS ........................................................................... 3
4. NOMENCLATURE AND FUNCTIONS ......................................................... 4
5. CHARGING .......................................................................................................... 5
6. TROUBLESHOOTING ...................................................................................... 6
7. SPECIFICATIONS .............................................................................................. 6
Accessories ............................................................................................................... 6
2
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.
• Avoid installing or mounting the unit in unstable
locations, such as on a rickety table or a slanted
surface. Doing so may result in the unit falling
down and causing personal injury and/or property
damage.
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.)
• 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.
• Avoid inserting or dropping metal or combustible
objects or other foreign objects in the Charger's
interior or battery receptacles, as this could result
in fire or electric shock.
• Do not touch a power cord plug during thunder and
lightning, as this may result in electric shock.
• Stop charging if batteries are not fully charged
within 5 hours.
Continuously charging over 5 hours may cause
batteries to fire, explode, leak, or heat.
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
• Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
• Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
cautions regarding safety.
• 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.
Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
WARNING
CAUTION
CAUTION
3
• When moving the unit, be sure to remove its power
supply cord from the wall outlet. Moving the unit
with the power cord connected to the outlet may
cause damage to the power cord, resulting in fire or
electric shock. When removing the power cord, be
sure to hold its plug to pull.
• Do not block the supplied AC adapter's ventilation
slots. Blocking air flow to these slots will cause
heat to build up in the adapter, possibly resulting in
fire.
• 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.
When the Unit is in Use
• Do not place heavy objects on the unit as this may
cause it to fall or break which may result in
personal injury and/or property damage. In
addition, the object itself may fall off and cause
injury and/or damage.
• If dust accumulates on the power supply plug or in
the wall AC outlet, a fire may result. Clean it
periodically. In addition, insert the plug in the wall
outlet securely.
• Switch off the power, and unplug the power supply
plug from the AC outlet for safety purposes when
cleaning or leaving the unit unused for 10 days or
more. Doing otherwise may cause a fire or electric
shock.
• Use the dedicated AC adapter for the unit. Note
that the use of other adapter may cause a fire.
• Remove the power supply plug of charger from the
AC outlet after charging completion, as doing
otherwise may cause a fire.
• Risk of explosion if battery is replaced by an
incorrect type. Dispose of used batteries according
to the instructions.
This is a class A product .
In a domestic environment this product may cause radio interference in which case the user may be
required to take adequate measures.
2. GENERAL DESCRIPTION
The TOA BC-900 is a dedicated battery charger for BP-900 lithium-ion batteries used in the TS-801 and TS901 Chairman Units, and TS-802 and TS-902 Delegate Units of TOA's Infrared Conference System.
The BC-900 features an exclusive charging system for lithium-ion batteries, and permits up to 8 batteries to be
simultaneously charged within up to 5 hours.
3. HANDLING PRECAUTIONS
• Use the unit in locations where the temperature is between 0 and +40°C.
• Avoid installing the Battery Charger in locations exposed to vibration. Batteries may not be correctly charged
due to poor contact.
• To clean, be sure to first switch off the unit's power, then wipe with a dry cloth. When the unit gets very dirty,
use a cloth damped in a neutral cleanser. Never use benzene, thinner or chemically-treated cleaning cloth
because such volatile liquids could deform or discolor the unit.
• Clean the charging terminals periodically with a dry cotton swab. Dirty terminals could cause bad contact,
thus preventing batteries from being correctly charged.
4
4. NOMENCLATURE AND FUNCTIONS
Battery Receptacle
Insert the lithium ion battery into this receptacle.
Charging Status Charge Indicator [RED-CHARGING, GREEN-FULL]
Continuously lights red during charging.
Lights green after charging is completed.
Power Switch [POWER, ON/OFF]
Power is switched ON when this switch
is set to the ON position, and switched
OFF when set to the OFF position.
Power Indicator
Lights green when the Power Switch
is set to the ON position.
Battery receptacle as
viewed from above
Charging terminals
Power Input Terminal
[DC12 V 5 A (max)]
Connect the supplied AC adapter to
this terminal.
AC Fuse [FUSE 8 A]
Maximum current capacity: 8 A
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