Chiayo IRX2 Bedienungsanleitung

CHIAYO ELECTRONICS CO., LTD.

Operation manual

IRX2

Infrared Wall-Mount Receiver

Amplifier

IRX2 Infrared Wall-Mount Receiver Amplifier

Cautions

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

sensor.

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

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

mechanical vibration or shock.

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

operation.

5. Since this system uses infrared light carrier to transmit audio signals, it is not suitable for

installation in rooms with dark ceilings and walls.

In the box

IRX2 receiver amplifier

1 or 2 handheld or pendant

transmitter (optional)

Switching power supply

(plug varies from country to country)

4P PHOENIX x1pc

3P PHOENIX x2pcs

operation manual

** Note: The above specifications are subject to change without prior notice.

Instruction

Parts and functions of receiver amplifier

1. External sensor inputs

2. MIC volume control

3. MIC input (3P PHOENIX)

4. AUX input (R/L)

5. LINE output (R/L)

6. Audio output for assistive listening device

7. Audio input for EMERGENCY OVERRIDE

8. EMERGENCY OVERRIDE voltage selector

9. EMERGENCY OVERRIDE sensitivity control

10.EMERGENCY OVERRIDE volume control

11.Main speaker output (4P PHOENIX)

12.DC output (12V 1A)

13.DC input

14.IR MIC②volume control

15.IR MIC①volume control

16.AUX input volume control (R/L)

17.LINE output volume control (R/L)

18.Volume control of assistive listening device

19.Tone controls: bass, middle and treble

20.IR MIC②signal indicator

21.IR MIC①signal indicator

22.Audio indicator

23.Power indicator

24.Power switch

25.Lock

IRX2 Infrared Wall-Mount Receiver Amplifier

Operating the system

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

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

amplifier.

3. Connect the speakers to the amplifier (4Ω min). See tips for multiple speakers.

4. Turn on the amplifier.

5. Turn on the transmitter and the IR signal indicator(s) will glow.

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

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

Installing external sensor

IS-20A (wall/ceiling-mount type)

1. Infrared optimal coverage: 90°

2. Find the best position with wide view of the room.

3. Mount the sensor on the FIXING HOLDER on the wall or ceiling.

4. The LED of infrared sensor will glow red when power on.

wall mounting ceiling mounting

Instruction

IS-30A (ceiling-mount type)

Ordinary space such as a classroom

larger space such as a fitness center

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

the ceiling, as illustrated below

2.Connect the sensor cable to the receiver

amplifier.

3.Turn on the amplifier and ready to use.

1.Locate two or three IS-30A sensors on the

suggested positions on the cater-corner of

the ceiling, as illustrated below.

2.Connect the sensor cable to the receiver

amplifier.

3.Turn on the amplifier and ready to use.

Other sensor installing recommendations

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

Ex: 10x10 sqm classroom

2~2.5m

3~3.5m

←IRX2

IS-30A

IS-20A

IS-30A

IS-20A

IRX2 Infrared Wall-Mount Receiver Amplifier

Two IS-20A wall sensors

Ex: 10x10 sqm classroom

2~2.5m

3~3.5m

←IRX2

Instruction

Connecting central amplifier unit for public broadcasting

When IRX2 receives public broadcasting audio signal from the central amplifier unit into the

emergency override (EO) jack, all audios will be muted except the EO audio.

1 Plug and tighten the EO cables (x2) into the 3P PHOENIX connector’s jacks as illustrated

below. Then plug the connector to the 3P PHOENIX jack.

2 Switching voltage level of EO input from the central amplifier unit.

If the EO input voltage is 100V, please switch to 100V. (LEFT )

If the EO input is LINE level, please switch to LINE. (RIGHT )

3 Adjust the sensitivity level for activation with EO SENS control knob.

The output level of central amplifier unit varies on brands and models. The activation level

can be adjusted after connecting to IRX2 receiver amplifier. Please select a proper

sensitivity level that can activate EO so that paging call or other announcement can be

broadcasted via IRX2.

Important!! High sensitivity may result in noise into IRX2 too. Please set the EO SENS

to a level that is just enough to make EO broadcast work.

4 The public broadcasting volume can be adjusted by EO LEVEL control knob.

100V LINE

LEVEL

IRX2 Infrared Wall-Mount Receiver Amplifier

Using the wired microphone

1 Plug and tighten the XLR microphone outreach plate cables (x3) into the 3P PHOENIX

connector’s jacks in accordance with the polarity. Then plug the connector to the 3P

PHOENIX jack.

※Gfor grounding, COM for positive, HOT for negative



2 Minimize the microphone volume MIC VOL before power on. Then adjust to a proper level

on demand after power on.

3 Bass, middle and treble tone levels can be adjusted individually.

Tone controls

12 3

Instruction

Music audio input –Projector, DVD player

1 Plug the audio cable with RCA R/L plugs to the AUX IN 1-3’s RCA R/L jacks.

2 Minimize the aux input volume AUX IN 1-3 before power on. Then adjust to a proper level

on demand after power on.

3 Bass, middle and treble tone levels can be adjusted individually.

Tone controls

IRX2 Infrared Wall-Mount Receiver Amplifier

Connecting L/R stereo speakers

Plug the external speaker’s audio cable to the 4P PHOENIX jacks of MAIN SPEAKER OUT.

The speaker’s impedance must be 4Ω or more. When using 4P PHOENIX for connection,

please accord with the positive (+) and negative (-) polarities.

Speaker connections

2 speakers

8 speakers

4 speakers

8Ω

LS1

8Ω

LS2

8Ω

LS1

8Ω

LS2

8Ω

LS3

8Ω

LS4

8Ω

LS5

8Ω

LS6

8Ω

LS7

8Ω

LS8

8Ω

4Ω

LS1

8Ω

LS2

8Ω

LS3

8Ω

LS4

8Ω

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