Toa IR-702T User Manual

OPERATING INSTRUCTIONS

INFRARED WIRELESS TUNER IR-702T

VOLUME

POWER

OFF

Thank you for purchasing TOA's Infrared Wireless Tuner. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

This manual describes the installation and usage of the entire system* using the IR-702T Infrared Wireless Tuner as well as the IR-702T.

* The system described in this manual is comprised of the following components:

• IR-702T Infrared Wireless Tuner

• IR-200M and IR-300M Infrared Wireless Microphones

• IR-500R, IR-510R, and IR-520R Infrared Wireless Receivers

• IR-200BC Battery Charger

• IR-200BT-2 Ni-MH Battery

• YW-1022 and YW-1024 Distributors

Note

For the installation and usage of the IR-702T when used in combination with the IR-700D Infrared Wireless Distributor, refer to the installation manual enclosed with the IR-700D.

133-07-275-8B

TABLE OF CONTENTS

1. SAFETY PRECAUTIONS ...................................................................................................... 3

2. GENERAL DESCRIPTION .................................................................................................... 4

3. FEATURES ................................................................................................................................. 4

4. HANDLING PRECAUTIONS ................................................................................................ 4

5. NOMENCLATURE AND FUNCTIONS

Front ............................................................................................................................................... 5

Rear ................................................................................................................................................ 5

6. OPERATIONS ........................................................................................................................... 6

7. SYSTEM CONFIGURATION EXAMPLES

7.1.Using 2 Infrared Wireless Receivers ........................................................................................7

7.2. Using 4 Infrared Wireless Receivers .......................................................................................7

7.3.

Simultaneous Use of the Infrared Wireless Microphone System and the Infrared Conference System

..... 8

8. CONNECTION EXAMPLE .................................................................................................... 9

9. INFRARED WIRELESS RECEIVER COVERAGE AREA

9.1. IR-500R and IR-520R (Wall-mounted and microphone stand-mounted type) ....................... 10

9.2. IR-510R (Ceiling-mounted type) ............................................................................................10

10. INSTALLING THE INFRARED WIRELESS RECEIVER

10.1. Installation Precautions ....................................................................................................... 11

10.2. Infrared Wireless Receiver Installation Examples ............................................................... 12

10.3. When Simultaneously Using Both the Infrared Wireless Microphone

System and the Infrared Conference System ...................................................................... 13

11. INSTALLING THE IR-500R INFRARED WIRELESS RECEIVER

11.1. Wall Mounting ...................................................................................................................... 14

11.2. Adjusting the Reception Angle ............................................................................................ 16

12. INSTALLING THE IR-510R INFRARED WIRELESS RECEIVER

12.1. Ceiling Mounting .................................................................................................................. 19

13. INSTALLING THE IR-520R INFRARED WIRELESS RECEIVER

13.1. Wall Mounting ...................................................................................................................... 20

13.2. Mounting on a Microphone Stand ........................................................................................ 21

14. INSTALLING THE INFRARED WIRELESS TUNER

14.1. Mounting in a Rack .............................................................................................................. 22

14.2. Mounting on a Desk ............................................................................................................. 22

15. INFRARED WIRELESS RECEIVER TO TUNER WIRING

15.1. Wiring Precautions .............................................................................................................. 23

15.2. When Using the Distributor YW-1022/1024 ......................................................................... 23

15.3. When Using the Infrared Wireless Distributor IR-700D ....................................................... 23

15.4. Wiring Examples .................................................................................................................. 24

16. SUPPLEMENTARY REMARKS

16.1. Wiring Design Confirmation ................................................................................................. 25

16.2. Design Examples ................................................................................................................. 25

17. TROUBLESHOOTING .......................................................................................................... 27

18. SPECIFICATIONS .................................................................................................................. 28

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.

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 qualified service personnel.

• 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 touch a power supply plug during thunder and lightning, as this may result in 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.

• 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.

• 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.

• Refer all installation work to the dealer from where the unit was purchased. Installation requires extensive technical knowledge and experience. Improper installation may result in personal injury or electric shock.

1. SAFETY PRECAUTIONS

These precautions apply only to the IR-702T Infrared Wireless Tuner. For precautions regarding other infrared microphone system devices, please refer to the instruction manual included with each device.

• 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.

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

When the Unit is in Use

• Use the AC adapter supplied with the unit. Note that the use of other adapter may cause a fire.

• 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.

2. GENERAL DESCRIPTION

The IR-702T is a 2-channel infrared wireless tuner employing a fixed frequency system. This tuner is combined with an infrared wireless microphone and an infrared wireless receiver to make up the infrared wireless microphone system. The infrared microphone system eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent conference rooms or school classrooms.

3. FEATURES

• The YW-1022 or YW-1024 Distributor allows up to 4 infrared wireless receivers to be installed.

• Up to 16 infrared wireless receivers can be installed with the use of the IR-700D Infrared Wireless Distributor.

• Since the IR-702T tuner uses a frequency band that does not interfere with that of the infrared conference system (TS-800 and TS-900 Series), both the infrared wireless microphone system and the conference system can be simultaneously installed in the same location.

4. HANDLING PRECAUTIONS

• The supplied power supply cord is designed for exclusive use with the IR-702T. Never use it with other equipment.

• Install the IR-702T as far as possible from fluorescent lights, digital equipment, PCs and other devices that generate high-frequency noise.

• The IR-702T is an infrared wireless system which prevents transmitted contents from being revealed to people outside walls or other shields. However, since transmissions may be eavesdropped by malicious third parties, it is strongly suggested that the user take responsibility for carrying out measures to prevent eavesdropping. TOA assumes no responsibility for any damages that may be sustained without taking appropriate protective measures against eavesdropping.

• When cleaning, be sure to first switch off the tuner's power, then wipe with a dry cloth. If the tuner is extremely dirty, use a cloth moistened in a neutral detergent. Do not use benzene, thinner, alcohol and chemically-processed towels, as they can cause damage to the tuner's components and parts.

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 modifications 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

1. Power switch

Press this switch to turn on the power. To turn off the power, press this switch again.

2. Power indicator

Lights when the power is switched on.

3. Reception indicator [IR]

Lights during reception.

4. Color label attachment area

Attach a color label (accessory) of the same color as that of the infrared wireless microphone to be used in combination with the tuner.

5. Volume control knob

Adjusts the sound volume of the infrared wireless microphone.

6. Cable Clip

Run the AC adapter cable through this clip to prevent its plug from being removed.

7. DC inlet [DC IN]

Connect the supplied AC adapter.

8. Receiver input terminals [IR IN]

Connect the infrared wireless receiver or the distributor. Up to 4 infrared wireless receivers can be connected with the use of the YW-1022 (2-Branch Distributor) or the YW-1024 (4-Branch Distributor). Note that only one YW-1022 or YW-1024 Distributor can be connected per input channel. Up to 16 infrared wireless receivers can be connected with the use of the IR-700D Infrared Wireless Distributor. For cable connections when using the IR-700D, refer to the installation manual enclosed with the IR-700D.

9. CH B output terminal [CH B]

Connect this terminal to the amplifier line input terminal for public address applications. This terminal outputs only the CH-B audio signal.

10. CH A/MIX output terminal [CH A/MIX]

Connect this terminal to the amplifier line input terminal for public address applications. This terminal outputs either the CH-A audio signal alone or a mixed CH-A and CH-B audio signal depending on the setting of the CH A/MIX output selector switch (11).

11. CH A/MIX output selector switch

• CH A

Only the CH-A signal is delivered at the CH A/MIX output terminal (10).

• MIX (default position)

Mixed CH-A and CH-B signals are delivered at the CH A/MIX output terminal (10).

5. NOMENCLATURE AND FUNCTIONS

1 23 4 5

[Front]

CH A

VOLUME

Note: Functions of the (3), (4), and (5) for the Channel A also apply to the Channel B (CH-B).

6 7 8 9

[Rear]

DC IN

24V 0.6A(max)

IR IN OUTPUT

75 Ω

CH B

VOLUME

OFF

POWER

10 11

–10dBV/600Ω

CH B

CH A/MIX

CH A

MIX

AC adapter plug

Cable clip

6. OPERATIONS

Note: The example here shows the operation of the Channel A. This operation also applies to the Channel B.

Step 1. Turn on the unit's power switch.

Step 2. Turn on the infrared wireless microphone's power switch.

The reception indicator lights for the channel receiving a signal.

Note

If the reception indicator does not light, the infrared wireless microphone is not set to the same channel as that of the infrared wireless tuner. For channel settings, please refer to the instruction manual enclosed with the infrared wireless microphone.

Step 3. Adjust the volume control knob for an appropriate output sound.

Note

Output signal distortion is more likely to increase as the volume control knob is rotated beyond the "2-o'clock" position.

Power switch

Volume control knob

VOLUME

CH A

Reception indicator

CH B

VOLUME

Power switch

OFF

POWER

Infrared wireless microphone

IR-300M

Infrared wireless microphone

IR-200M

7. SYSTEM CONFIGURATION EXAMPLES

7.1. Using 2 Infrared Wireless Receivers

7.2. Using 4 Infrared Wireless Receivers

Infrared Wireless Tuner IR-702T

Infrared Wireless Microphone IR-200M

Infrared Wireless Receiver IR-500R, IR-510R, or IR-520R

Note

Connect one each of the IR-510R or IR-520R Infrared Wireless Receivers to the IR-702T's Receiver input terminals 1 and 2.

Infrared Wireless Microphone IR-300M

Distributor YW-1022 (2-branch distributor)

YW-1022

Infrared Wireless Receiver IR-500R, IR-510R, or IR-520R

Note

Up to 4 infrared wireless receivers can be connected.

Infrared Wireless Tuner IR-702T

Infrared Wireless Microphone IR-200M

Infrared Wireless Microphone IR-300M

7.3. Simultaneous Use of the Infrared Wireless Microphone System and the Infrared

Conference System

[Infrared Wireless Microphone System-related Equipment]

Infrared Wireless Microphone System

* When connecting

3 or more Infrared Wireless Receivers, use the YW-1024 (4-branch distributor).

Infrared Wireless Tuner IR-702T

Infrared Conference System (TS-800 or TS-900 series)

Distributor YW-1022 (2-branch distributor) *

YW-1022*

Infrared Wireless Microphone IR-200M

Infrared Wireless Microphone IR-300M

Infrared Wireless Receiver IR-500R, IR-510R or IR-520R

Note

Both systems can be installed in the same location.

IR-200BT-2

IR-200BC

Battery Charger

Ni-MH Battery for Infrared wireless microphones (pack of 2)

MB-WT3

Rack Mounting Bracket

8. CONNECTION EXAMPLE

Distributor YW-1022 (2-branch distributor)

Infrared Wireless Receiver IR-500R, IR-510R, or IR-520R

YW-1022

Infrared Wireless Tuner IR-702T

IR IN OUTPUT

75 Ω

DC IN

24V 0.6A(max)

Cable with a phone plug (supplied with the IR-702T)

AC adapter (supplied with the IR-702T)

Power supply cord (supplied with the IR-702T)

CH B

–10dBV/600Ω

OUTPUT

–10dBV/600Ω

CH A/MIX

CH A

MIX

Setting the selector switch to the MIX position outputs mixed CH-A and CH-B audio signal. Connect the CH A/MIX terminal to the amplifier line input, etc.

SpeakerAmplifier

Mixer

CH A MIX

Setting the selector switch to CH-A independently outputs the audio signal of CH-A and CH-B. Connect each of the CH A/MIX and CH B terminals to the line input of a mixer or similar device to allow the signal level to be adjusted by external equipment.

SpeakerAmplifier

9.2. IR-510R (Ceiling-mounted type)

9. INFRARED WIRELESS RECEIVER COVERAGE AREA

9.1. IR-500R and IR-520R (Wall-mounted and microphone stand-mounted type)

[Horizontal direction] [Vertical direction]

15 m (49.21 ft)

Note

The shaded portion represents the communications area.

Ceiling height

2.5 to 4.5 m (8.2 to 14.76 ft)

Note

The shaded portion represents the communications area.

Applicable model

IR-510R

Ceiling height Communications area radius

2.5 m (8.20 ft)

3.0 m (9.84 ft)

3.5 m (11.48 ft)

4.0 m (13.12 ft)

4.5 m (14.76 ft)

150º

Communications area radius

About 7 m (23 ft)

About 6.5 m (21.5 ft)

About 6 m (20 ft)

10.1. Installation Precautions

Because the infrared wireless microphone and receiver have their own directivity for infrared transmission and reception, take care that they are installed and operated under stable communication conditions.

• Number of infrared wireless receivers

Use 2 or more receives.

• Installation Position

· The infrared beam can be blocked by a human body or

other objects. To avoid this, install multiple infrared wireless receivers that can be viewed from the infrared wireless microphone.

· Install multiple infrared wireless receivers so as to allow

constant communications between the infrared microphone and at least one infrared wireless receiver in any specific situation. When installing the infrared wireless receivers, take care that they can sufficiently cover the communications area from different angles. If the infrared wireless microphone is used in the communications area where only one infrared wireless receiver is installed, communications may be interrupted when the infrared beam is blocked by a human body or other objects.

· Install the infrared receiver at a height of 2 – 3 m (6.56 – 9.84 ft) from the floor.

· Install the infrared wireless receivers at a height that protects them from damage that could result from

being hit by an object.

• Distance between the infrared wireless microphone and receiver

Malfunctions or noise could result from the infrared wireless microphone and receiver being too close to each other. Keep the infrared wireless microphone at least 2 m (6.56 ft) away from the receiver.

• Radio Noise

Do not install the infrared wireless receiver and cables close to devices that can generate radio noise, such as: Inverter-powered equipment (fluorescent lights, air-conditioners, etc.), dimmers, digital equipment, PCs and other computer equipment.

• Infrared Receiver Input Terminal

Take care not to short-circuit the infrared wireless receiver's input terminal and the infrared wireless tuner's receiver input terminal, as the power supply could be shorted, potentially resulting in equipment failures.

• Sunlight and Fluorescent Lighting

System malfunctions or noise could result from installing the infrared wireless receiver in locations exposed to sunlight, fluorescent lighting or other infrared generating sources. When installing the receiver, make the following arrangements so that it is not exposed to infrared sources:

[Avoid Sunlight]

· To prevent equipment from being directly exposed

to sunlight, block the sunlight using curtains or window shades.

· When mounting the receiver to a ceiling, keep it at

least 2 m (6.56 ft) away from the window.

[Install Away From Fluorescent Lighting]

When installing the receiver, keep it at least 50 cm (1.64 ft) away from the fluorescent lighting.

10. INSTALLING THE INFRARED WIRELESS RECEIVER

[Avoid installing close to other infrared

sources shown below]

· Lighting device

· Liquid crystal projectors, overhead projectors and incandescent lights

· Plasma displays

· Remote control units, infrared LAN and other infrared devices

IR-510R

Note

In this figure, the IR-510R receives a signal from the infrared wireless microphone because there is no shield between the two. However, communication to the IR-500R could be interrupted if the user's body blocks the beam like a shield.

Ceiling

IR-500R

Wall

Ceiling-mounted type

Sunlight

Wall-mounted type

Over 2 m (6.56 ft)

Over 50 cm

(1.64 ft)

Wall-mounted type

Fluorescent lighting

Over 50 cm

(1.64 ft)

Ceiling-mounted type

Over 50 cm

10.2. Infrared Wireless Receiver Installation Examples

The receiver's communications area differs depending on such environmental conditions as the ceiling height. (Refer to p. 10 "Infrared Wireless Receiver Coverage Area.")

10.2.2. Installing 2 IR-510Rs

Note

Install these 6 m (19.69 ft) to 8 m (26.25 ft) apart so that each receiver's communications area overlaps with each other.

10.2.3. Installing 2 IR-520Rs

Note

Install these 6 m (19.69 ft) to 8 m (26.25 ft) apart so that each receiver's communications area overlaps with each other.

10.2.1. Installing 4 IR-500Rs and IR-520Rs

Note

In a rectangular room where the usage area is wider than the infrared receiver's communication distance, install the receivers on the opposite side as well.

12 m (39.37 ft) 12 m (39.37 ft)

18 m (59.06 ft)

IR-500R Infrared wireless receiver's

communications area

Infrared wireless receiver's communications area

IR-510R

25 m (82.02 ft)

IR-520R

6 – 8 m

(19.69 – 26.25 ft)

18 m (59.06 ft)

10 m (32.81 ft)

6 – 8 m

(19.69 – 26.25 ft)

Infrared wireless receiver's communications area

12 m (39.37 ft)

15 m (49.21 ft)

12 m (39.37 ft)

15 m (49.21 ft)

10.3. When Simultaneously Using Both the Infrared Wireless Microphone System and the Infrared Conference System

The appropriate distance between the infrared wireless receiver (IR-500R, IR-510R, and IR-520R) of the infrared wireless microphone system and the transmitter/receiver unit (TS-905 and TS-907) of the infrared conference system differs depending on the size and layout of the room. When simultaneously installing the two systems in the same location, use the following guidelines on distance:

[Distance between the IR-500R/520R and the TS-905/TS-907]

Keep both units at least 3 m (9.84 ft) away from each other.

[Distance between the IR-510R and the TS-905/TS-907]

Keep both units at least 1.5 m (4.92 ft) away from each other.

Ceiling

Over 3 m (9.84 ft)

IR-510R

Over 1.5 m

(4.92 ft)

TS-905/907

Wall

IR-500R/520R

11.1. Wall Mounting

11. INSTALLING THE IR-500R INFRARED WIRELESS RECEIVER

Step 1. Loosen 2 case fixing screws, then detach

the body case with screws.

Note

No need to remove these case fixing screws.

Step 2. Connect the coaxial cable.

2-1. When using the BNC connector

Connect the BNC cable to the BNC jack cable connected to the chassis.

Note

Applicable coaxial cable is RG-59/U or RG-6/U.

2-2. When connecting the coaxial cable directly

(1) Loosen 2 coaxial cable fixing screws

on the chassis, then disconnect the BNC jack cable.

Strip the jacket 13 mm (0.51") from the end of the coaxial cable.

Strip the dielectric 10 mm (0.39") from the cable end.

Unravel the braided shield and turn it back.

(2) Treat the coaxial cable end.

(3) Insert the end-treated cable, then securely tighten the coaxial cable fixing screws.

Body case

Case fixing screws

(3)

Chassis

BNC jack cable

-1

To BNC connector

Chassis (rear)

Braided shield Dielectric

End-treated coaxial cable

(1)

Coaxial cable fixing screws

BNC jack cable

Dielectric

Conductor

13 mm (0.51")

10 mm (0.39")

Step 3. Install the chassis in an electrical box or on a wall.

3-1. When installing in an electrical box

(1) Install the chassis, with its UP mark

facing upward, in an electrical box.

Note

Since no mounting screws are supplied with the IR-500R, separately prepare screws that are appropriate for the electrical box used.

(2) Adjust the reception angle referring

to p. 16 – 17.

(3) Replace the body case by inserting

the tabs on its top into the upper inside of the chassis, then retighten the case fixing screws to secure the body case.

3-2. When directly installing on a wall

(1) Cut out the cable entry tab in the chassis using nippers.

One each of cable entry tabs, which are relatively thin, is provided in the top and bottom surface of the chassis. Cut out the entry tab as needed.

(2) Install the chassis, with its UP mark

facing upward, on a wall.

Note

Since no mounting screws are supplied with the IR-500R, separately prepare screws that are appropriate for the construction of wall.

(3) Adjust the reception angle referring

to p. 16 – 17.

(4) Replace the body case by inserting

the tabs on its top into the upper inside of the chassis, then retighten the case fixing screws to secure the body case.

Tabs (2 places)

Body case

Case fixing screw

Chassis

Wall surface

UP mark

83.5 mm (3.29")

In-wall electrical box (1-gang)

Mounting screw (Prepare separately.)

Tabs (2 places)

Cable entry tab

Chassis (rear)

Wall surface

UP mark

Mounting pitch

83.5 mm (3.29")

Body case

Case fixing screw

Mounting screw (Prepare separately.)

11.2. Adjusting the Reception Angle

Communications area of the IR-500R can be adjusted both vertically (from 0º to approx. 30º downward) and horizontally (approx. 30º to the right or left) by moving its reception section. Adjust the angle depending on the installation location.

11.2.1. IR-500R's receiving angle image

[Vertical direction]

(Factory-preset : approx. 30° downward) (When moving the reception section to vertical 0° position)

IR-500R (side view)

Approx. 80°

Approx. 30°

Approx. 80°

High sensitivity area

Adjustment example in vertical direction (when installing the IR-500R at a higher position)

[Horizontal direction]

(Factory-preset) (When moving the reception section

IR-500R (Top view)

Approx. 80°

High sensitivity area

(When moving the reception section

to approx. 30° in the right direction)

Approx.

30°

Approx. 80°

Adjustment example in horizontal direction (when installing the IR-500Rs at the corners of the room)

to approx. 30° in the left direction)

Approx.

Approx. 80°

30°

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