Chiayo IWR-320 Manuel utilisateur

IWR-320

Infrared Wireless Microphone System

ISO 9001

ISO 14001

OHSAS 18001

GREEN PRODUCT

Operation manual

ISO

14 0 0 1

RE G ISTE R E D

O H S A S

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Thank you for purchasing our infrared wireless microphone system. Please be sure to read the

user's manual thoroughly and keep it for future reference.

Cautions

Do not cover the infrared emitter area of the wireless transmitter or the surface of the infrared

sensor.

Since the unit uses infrared reflectance. Do not expose receiver to the black ceiling or wall

because it may reduce the signal reception.

Do not use the transmitter too close to speakers to prevent feedback.

Do not replace the battery when power is on.

Do not install near heat source or in a place subject to direct sunlight, excessive dust,

mechanical vibration or shock.

Do not use two transmitters on one channel at same time because it will cause abnormal

operation.

Parts and functions of receiver

Front panel

1. Power control. Its indicator LED turns GREEN after the receiver is activated.

2. Channel volume control - Each LED indicator turns GREEN after the receiver is activated,

channel 1/2 turns BLUE/RED when receiving signals from the transmitter.

Rear panel

3. External sensor connectors.

4. Sensor short indicator. It turns RED when a sensor connection short is detected.

5. Channel 1 audio output.

6. Noise level control (channel 1). Adjust to MAX in small rooms such as karaoke and meeting

room, to MIN in larger rooms such as classroom and conference.

7. Channel 2 or mixed audio output.

8. Noise level control. (channel 2 or mixed). Adjust to MAX in small rooms such as karaoke and

meeting room, to MIN in larger rooms such as classroom and conference.

9. Audio mix control. Switch to ON to mix both channels’audio output through channel 2.

Otherwise each channel goes through its own output.

10.Output level control. Switch to LINE when connected to the AUX input of the amplifier, to

MIC when connected to MIC jack of the amplifier.

11.Power output. Offers power to connected transmitter charger.

12.DC input.

1 2 3

56 8 97 10 1211

ISO 9001｜ISO 14001｜OHSAS 18001

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Operating the system

1. First, find the optimal location with the widest view of the room to install the IR receiver.

2. Connect the receiver to amplifier and speaker.

3. Connect power adaptor into nearby power outlet, and then connect the DC plug of adaptor to

the receiver.

4. Turn on both receiver and amplifier.

5. Switch on the transmitter and the channel indicator(s) will light up.

6. Adjust the volume control of amplifier to comfortable level.

TIP: Reduce the treble slightly if feedback/howling, or operate transmitter further from speakers.

-3-

Connections

Installing the external sensor IS-20A (wall/ceiling-mount type)

Find the best position for sensor to be mounted as illustrated for optimal coverage.

Mount the external sensor IS-20A on a wall or ceiling.

(a) Mount (Refer to illustration) the FIXING

HOLDER (wall or ceiling) using a screw

(provided) or two double-coated tapes

(b) Find the best position with wide view of the

room. Mount the sensor on the FIXING

HOLDER on the wall or ceiling.

NOTE: The LED of infrared sensor will turn red

when power on. If not, please check your

connections.

fixing holder with a screw

angle-adjustable shaft

wall mounting

ceiling mounting

External sensor

IS-20A

IWR-320 receiver

KARAOKAE amplifier

Audio input

AC adaptor

IS-30A

ISO 9001｜ISO 14001｜OHSAS 18001

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Installing the external sensor IS-30A (ceiling-mount type)

In an ordinary space such as a classroom

In a larger space such as a fitness center

1. Locate the IS-30A sensor in the middle of

the ceiling, as illustrated below

2. Connect the sensor cable to the receiver.

3. Turn on the IR system and amplifier then

operation can be started.

1. Locate 2 or 3 IS-30A sensors on the

suggested positions on the cater-corner of

the ceiling, as illustrated below.

2. Connect all sensor cables to the receiver.

3. Turn on the IR system and amplifier then

operation can be started.

Other sensor installing recommendations

One IS-20A wall sensor＋one IS-30A ceiling sensor

Ex: 10x10 sqm classroom

rostrum

IRX2

IS-30AIS-20A

rostrum

3~3.5m

please be careful

of the angles

1.5m

IRX2

IS-30A IS-30AIS-20A

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Two IS-20A wall sensors

Ex: 10x10 sqm classroom

rostrum

IS-20A

IRX2

rostrum

IS-20A IS-20A

please be careful

of the angles

1.5m

2.5m

IRX2

IS-20A

1.5m

rostrum

3~3.5m

please be careful

of the angles

IRX2

IS-20A

ISO 9001｜ISO 14001｜OHSAS 18001

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Handheld/Pendant IR Transmitter IWH-401

Parts and functions

1. Cartridge screen.

2. Infrared emitter. IR ray radiates from here. Do not block or hold this part of the body.

3. Anti-rolling color ring.

4. Status LED: Bicolor LED will glow when switch is put to ON.

Green: Battery is full and transmitter is in normal mode.

Red: Battery is weak and will shut off soon. Please charge the battery.

5. Power switch: Slide to turn transmitter on or off.

6. Battery compartment. Turn the battery cover counterclockwise and pull out. Make sure the

transmitter is turned off when installing or replacing batteries. Install the new battery

according to its correct polarity. IWH-401 uses only 1 AA battery to operate.

7. Channel selector. Channel A: 2.08MHz, Channel B: 2.54MHz

8. Sensitivity control. Clockwise to increase sensitivity level. Factory preset is max level.

9. Charging contact, workable with HC-40 (single-unit) / HC-402 (dual-unit) charger.

Please note: This transmitter has a unique inbuilt safety feature to protect from

overcharging the battery. It incorporates a special charging function enabled when 1cm of

the PVC cover of the battery’s negative end is removed by 1cm. Any rechargeable batteries

used must be used this way for safe charging.

10.Pendant holder. Place IWH-401 through this holder and it can be used as a pendant

transmitter.

Battery installation/charging

Unscrew the battery cover and install 1 AA battery. Please make sure the battery type is

rechargeable if it's to be used with the charger. It can be charged without being removed from

the transmitter. If the transmitter is to be left unused for a long period of time, please remove

the battery until next use.

One Alkaline battery or 1cm-

negative-peeled AA NiMH battery

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Handheld/Pendant IR Transmitter ITX2

Parts and functions

1. Cartridge screen.

2. Release buttons of pendant holder.

3. Channel selector. Channel A: 2.08MHz, Channel B: 2.54MHz

4. Bicolor status LED.

Green: Battery full.

Red: Battery weak and needs recharging.

5. Power on-off/audio mute switch.

6. Infrared emitter. IR ray radiates from here. Do not block or hold this part of the body.

7. Line input (Φ3.5mm) for external audio input.

8. Volume control.

9. Mic input (Φ2.5mm) for external headset or lavalier microphone.

10.Battery compartment. ITX2 uses only 1 AA battery to operate.

11.Pendant holder.

12.Charging contact, workable with HC-42 (single-unit) / HC-422 (dual-unit) charger..

Please note: This transmitter has a unique inbuilt safety feature to protect from overcharging

the battery. It incorporates a special charging function enabled when 1cm of the PVC cover

of the battery’s negative end is removed by 1cm. Any rechargeable batteries used must be

used this way for safe charging.

Battery installation/charging

Press and slide off the battery cover and install 1 AA battery. Please make sure the battery

type is rechargeable if it's to be used with the charger. It can be charged without being

removed from the transmitter. If the transmitter is to be left unused for a long period of time,

please remove the battery until next use.

One Alkaline battery or 1cm-

negative-peeled AA NiMH battery

ISO 9001｜ISO 14001｜OHSAS 18001

-8-

Handheld IR Transmitter IWH-301

Parts and functions

1. Cartridge screen.

2. Status LED: Bicolor LED will glow when switch is put to ON:

Green: Battery is full and transmitter is in normal mode.

Red: Battery is weak and will shut off soon. Please charge the battery.

3. Power switch: Slide to turn transmitter on or off.

4. Infrared emitter. IR ray radiates from here. Do not block or hold this part of the body.

5. Battery compartment. Turn the battery cover counterclockwise and pull out. Make sure the

transmitter is turned off when installing or replacing batteries. Install the new battery

according to its correct polarity. IWH-301 uses only 2 AA batteries to operate.

6. Sensitivity control. Clockwise to increase sensitivity level. Factory preset is max level.

7. Channel selector. Channel A: 2.08MHz, Channel B: 2.54MHz

8. Charging contact, workable with HC-20+ charger..

Please note: This transmitter has a unique inbuilt safety feature to protect from overcharging

the battery. It incorporates a special charging function enabled when 1cm of the PVC cover

of the battery’s negative end is removed by 1cm. Any rechargeable batteries used must be

used this way for safe charging.

Battery installation/charging

Unscrew the battery cover and install 2 AA batteries. Please make sure the battery type is

rechargeable if it's to be used with the charger. It can be charged without being removed from

the transmitter. If the transmitter is to be left unused for a long period of time, please remove

the battery until next use.

Two Alkaline batteries or 1cm-

negative-peeled AA NiMH battery

-9-

Pendant IR Transmitter IWM-402

Parts and functions

1. Mic in (Φ2.5mm). Headset or lavalier microphone.

2. Power switch.

3. Charging port.

4. IR emitter area. IR ray radiates from here. Do not block or hold this part of the body.

5. Status LED: Bicolor LED will glow when switch is ON.

Green: Battery is full and transmitter is in normal mode.

Red: Battery is weak and will shut off soon. Please charge the battery.

6. Mute. Press this button to mute/resume audio transmission.

7. Volume control.

8. Line in (Φ3.5mm), for external audio input.

9. Channel selector. Channel A: 2.08MHz, Channel B: 2.54MHz

10.Battery compartment. IWM-402 uses only 1 AA battery to operate.

11.Charging contact, workable with HC-40 (single-unit) / HC-402 (dual-unit) charger.

This transmitter has a unique inbuilt safety feature to protect from overcharging the battery.

It incorporates a special charging function enabled when 1cm of the PVC cover of the

battery’s negative end is removed by 1cm. Any rechargeable batteries used must be used

this way for safe charging.

Battery installation/charging

Open the battery compartment and on install 1 AA battery. Please make sure the battery type

is rechargeable if it's to be used with the charger. It can be charged without being removed

from the transmitter. If the transmitter is to be left unused for a long period of time, please

remove the battery until next use.

One Alkaline battery or 1cm-

negative-peeled AA NiMH battery

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