Toa IR-801AF User manual

IR-801AFAUDIO INTERFACE UNIT
INSTRUCTION MANUAL
Thank you for purchasing TOA’s Audio Interface Unit.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS ................................................................................ 2
2. SAFETY PRECAUTIONS ......................................................................................................... 2
3. GENERAL DESCRIPTION ...................................................................................................... 3
4. FEATURES ................................................................................................................................. 4
5. HANDLING PRECAUTIONS .................................................................................................... 4
6. NOMENCLATURE AND FUNCTIONS ................................................................................... 4
Front ............................................................................................................................................. 4
Rear ............................................................................................................................................. 5
Bottom .......................................................................................................................................... 5
7. SYSTEM CONFIGURATION .................................................................................................... 6
8. CONNECTIONS ........................................................................................................................ 6
8.1. Removable Terminal Plug Connection ................................................................................. 6
8.2. Terminal Connections ........................................................................................................... 7
9. RACK MOUNTING .................................................................................................................... 8
10. SPECIFICATIONS ................................................................................................................... 8
Accessories ................................................................................................................................. 8
Optional product .......................................................................................................................... 8

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re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.
•
Since the unit is designed for indoor use, do
not install it outdoors. If installed outdoors, the
aging of parts causes the unit to fall off, resulting
in personal injury. Also, when it gets wet with
rain, there is a danger of electric shock.
When the Unit is in Use
•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reorelectricshock.
2. 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.
Indicates a potentially hazardous situation
which, if mishandled, could result in death or
serious personal injury.
WARNING
1. IMPORTANT SAFETY INSTRUCTIONS
•Readtheseinstructions.
•Keeptheseinstructions.
•Heedallwarnings.
•Followallinstructions.
•Donotusethisapparatusnearwater.
•Cleanonlywithdrycloth.
•Do not block any ventilation openings.
Install in accordance with the manufacture's
instructions.
•Do not install near any heat sources such
as radiators, heat registers, stoves, or other
apparatus(includingampliers)thatproduce
heat.
•Do not defeat the safety purpose of the
polarized or grounding-type plug.
A polarized plug has two blades with one
wider than the other. A grounding type plug
has two blades and a third grounding prong.
The wide blade or the third prong are provided
for your safety. If the provided plug does not
t into your outlet, consult an electrician for
replacement of the obsolete outlet.
•Protectthepowercordfrombeingwalkedon
or pinched particularly at plugs, convenience
receptacles, and the point where they exit
from the apparatus.
•Only use attachments/accessories specied
by the manufacturer.
•Useonlywiththecart,stand,tripod,bracket,
ortablespeciedbythemanufacturer,orsold
with the apparatus.
When a cart is used, use caution when moving
the cart/apparatus combination to avoid injury
from tip-over.
•Unplugthisapparatusduringlightningstorms
or when unused for long periods of time.
•Refer all servicing to qualied service
personnel. Servicing is required when
the apparatus has been damaged in any
way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does
not operate normally, or has been dropped.

3
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1)thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause
undesired operation.
AnymodicationsmadetothisdevicethatarenotapprovedbyTOACorporationmayvoid
the authority granted the user by the FCC to operate this equipment.
FCC Compliance
Indicates a potentially hazardous situation
which, if mishandled, could result in moderate or
minor personal injury, and/or property damage.
CAUTION
When Installing the Unit
•Toavoiddamagetotheunitand/orconnected
equipment:
· Never connect the IR-820SP or IR-802T
connection terminal to a PC or LAN.
· Never short-circuit the terminal to ground.
•Besuretofollowtheinstructionsbelowwhen
rack-mounting the unit. Failure to do so may
causeareorpersonalinjury.
· Install the equipment rack on a stable, hard
oor. Fix it with anchor bolts or take other
arrangements to prevent it from falling down.
· Rack-mounting screws are not supplied with
the unit. Prepare them that are appropriate
for the equipment rack.
Note: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference with radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
•Reorientorrelocatethereceivingantenna.
•Increasetheseparationbetweentheequipmentandthereceiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
•Consultthedealeroranexperiencedradio/televisiontechnicianforhelp.
3. GENERAL DESCRIPTION
TheIR-801AFisanAudiointerfaceunitdesignedforexclusiveusewithTOA’sInfraredwireless
microphone system* consisting of the IR-310M Infrared Wireless Microphone, IR-802T Infrared
Wireless Tuner, and IR-820SP Infrared Wireless Speaker.
TheIR-801AFisequippedwithasinglechannelwirelesstunerhavingaxedfrequency.Itprovides
aclosedcontactoutputforcontrollingexternalequipment,andaudiosignalsfromtheIR-310Mto
beoutputtoexternalequipmentwhenreceivingacontrolsignaltransmittedthroughtheFunction
button operation of the IR-310M.
*APAsystemdesignedforuseintheschoolclassroomsmeasuringabout10mx10m(30ft.x
30ft.).

4
6. NOMENCLATURE AND FUNCTIONS
[Front]
1. Power indicator
LightswhileDC Power is supplied fromthe
IR-802T.
2. Reception indicator (Channel A, Teacher)
Lights during reception of the infrared
wireless microphone set to Channel A.
3. Function indicator
Lights during reception of control signal from
the infrared wireless microphone.
Teacher FUNCTION
MIC
POWER
AUDIO INTERFACE UNIT IR-801AF
A
12 3
4. FEATURES
•OnlyasingleCAT.5straightcablettedwithRJ-45connectersforconnectionsfromtheIR-801AF
to each of the IR-802T and the IR-820SP.
•Providesoutputs of audio signalsfromtheIR-310Mand a closedcontactwhile theIR-310M’s
Function button is being pressed. (This function is enabled only when the IR-310M’s transmitting
frequencyissettoChannel“A.”)
•PowerissuppliedfromtheIR-802T.
•Ahalf-rack-mountsize.Itcanbemountedina19-inchEIAstandardrackusingtheoptionalrack
mount kit.
5. HANDLING PRECAUTIONS
•Installtheunitasfaraspossiblefromuorescentlights,digitalequipment,PCsandotherdevices
that generate high-frequency noise.
•Whencleaning,besuretorstswitchofftheunit’spower,thenwipewithadrycloth.Iftheunitis
extremelydirty,useaclothmoistenedinaneutraldetergent.Donotusebenzene,thinner,alcohol
andchemically-processedtowels,astheycandiscolorordeformtheunit’sexterior.

5
[Rear]
[Bottom]
CONTROL OUT TO IR-802T
TO IR-820SP
DC24V
H C E
AUDIO OUT
MADE IN TAIWAN
4 5 6 7
4. Audio output terminal
Outputs the Channel A’s audio signals while
the IR-310M’s Function button is being
pressed.
5. Control output terminal
Provides a closed contact while the IR-
310M’s Function button is being pressed.
6. IR-820SP connection terminal*
Connect this terminal to the IR-820SP
Infrared Wireless Speaker using a Category
5cable(straighttype).
7. IR-802T connection terminal*
Connect this terminal to the IR-802T Infrared
Wireless Tuner using a Category 5 cable
(straighttype).
*Notes
•Use a Category 5 plenum cable (straight type) when routing the cable in locations where
plenum-rated cable is required.
•Crosstypecablescannotbeused.
To avoid damage to the unit and/or connected equipment:
· Never connect the IR-820SP or IR-802T connection terminal to a
PC or LAN.
· Never short-circuit the terminal to ground.
CAUTION
8
8. Marking plate
Shows the Manufacturer's name, Model
name,andElectricalrating.

6
8. CONNECTIONS
8.1. Removable Terminal Plug Connection
Wire the removable terminal plugs for Audio output and Control output as follows:
7. SYSTEM CONFIGURATION
CHARGE
FULL
ON/OFF
IR-820SP
Infrared Wireless Speaker
Category 5 cable (straight type)
IR-801AF
Audio Interface Unit
IR-200BT-2
Ni-MH Battery for Infrared
Wireless Microphones
(pack of 2)
IR-802T
Infrared Wireless Tuner
Category 5 cable
(straight type) IR-310M*
Infrared Wireless
Microphone
IR-310BC
Battery Charger
External equipment
like Paging system,
Recording system,
Flash light, or
Messaging system
Audio output
Control output
* Set the IR-310M’s transmitting frequency to Channel "A."
Tightens Loosens
Terminal screw
Slotted screwdriver
Shielded cable
To the removable
terminal block Solid cable and
stranded cable
Shielded cable
• Size: φ0.5 – 2 mm (AWG 24 – AWG 12)
• Width to strip:
20 mm (0.74")
7 mm (0.28")
7 mm (0.28")
Note: Avoid soldering stranded or shielded cable.
[Cable size and width to strip]

7
DC24V
CONTROL OUT TO IR-802T
TO IR-820SP
DC24V
H C E
AUDIO OUT
MADE IN TAIWAN
IR-820SP
AC adapter
To AC mains
IR-802T
IR-801AF
External equipment like Paging system,
Recording system, Flash light, or
Messaging system
Category 5 cable
(straight type)*
Note: The IR-801AF's power is supplied from the IR-802T.
Category 5 cable
(straight type)*
IR-802T connection
terminal
To the IR-801AF's
"TO IR-820SP" terminal
8.2. Terminal Connections
* Notes
•UseaCategory5plenumcable(straighttype)whenroutingthecableinlocationswhereplenum-
rated cable is required.
•Crosstypecablescannotbeused.
To avoid damage to the unit and/or connected equipment:
· Never connect the IR-820SP or IR-802T connection terminal to a
PC or LAN.
· Never short-circuit the terminal to ground.
CAUTION

URL: http://www.toa.jp/
133-07-323-00
9. RACK MOUNTING
Rack
Rack mounting screw*
Fiber washer*
Tomountoneunitinanequipmentrack,usetheoptionalMB-WT3RackMountKit.
Removableterminalblock(3pins)............. 1 Removableterminalblock(2pins)............. 1
Note
For the mounting methods, refer to
the MB-WT3 instruction manual.
* Supplied with the MB-WT3
10. SPECIFICATIONS
Power Source 24VDC(SuppliedfromIR-802T)
Infrared Frequency Channel ChannelA:3.100MHz
Contact Output Relaycontactoutput,contactcapacity:30VDC/2−500mA,
removableterminalblock(2pins)
Audio Output
−20dB*,electronically-balanced,
removable terminal block
(3pins)
Operating Temperature −
10 to+50ºC(14to122ºF)
OperatingHumidity 90%RHorless(nocondensation)
Finish Control section: ABS resin, Black
Dimensions 210(w)x44(h)x181(d)mm(8.27"x1.73"x7.13")
Weight 560g(1.23lb)
* 0 dB = 1 V
Note: Thedesignandspecicationsaresubjecttochangewithoutnoticeforimprovement.
• Accessories
• Optional product
MB-WT3RackMountKit