Chiayo IRX2 User manual

IRX2
Infrared Wall Mount Amplifier System
ISO 9001
ISO 14001
OHSAS 18001
GREEN PRODUCT
Operation manual
ISO
14 0 0 1
RE GIST E RE D
O H S A S
18 0 0 1
RE GIST E RE D

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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.
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 amplifier
1.External sensor connectors. Allows 3 external sensors to be used with this system.
2.Mic In volume control
3.Mic In
4.Aux In. Allows 3 audio sources to apply to this system.
5.Line Out

ISO 9001｜ISO 14001｜OHSAS 18001
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6.Audio output connector for assistive listening device. The volume level can be adjusted
individually via the volume knob below.
7.Audio input for EMERGENCY OVERRIDE (EO). There are two input modes for EO, 100V
(high voltage) and LINE (low voltage). The sensitivity can be set by adjusting the EO SENS
knob and the EO volume can be controlled on EO LEVEL knob . When EO is activated,
all operation of this unit will be muted temporarily and emergency audio source will be
amplified through this input. This function is specifically designed for emergency or public
broadcast.
8.EMERGENCY OVERRIDE mode selector. 100V for high voltage. LINE IN for low voltage.
9.Sensitivity setting of EMERGENCY OVERRIDE (EO). Turn to decide the sensitivity value
that activates EO function.
10.Volume setting of EMERGENCY OVERRIDE (EO). Turn to decide an optimized volume
level.
11.Main speaker out (R/L)
12.Power output, offering power for connected transmitter charger.
13.DC in
14.IR2 volume control
15.IR1 volume control
16.Aux In volume controls. Individually for 3 audio inputs.
17.Line Out volume control
18.Volume control of assistive listening device
19.3-band tone controls. Individual bass, mid and treble.
20.IR2 reception indicator
21.IR1 reception indicator
22.Audio indicator
23.Power indicator
24.Power switch
25.Lock
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 nearby 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. 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.

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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.
External sensor
IS-20A
IRX2 amplifier
or
speaker
AC adaptor
fixing holder with a screw
angle-adjustable shaft
wall mounting
ceiling mounting
IS-30A
speaker

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
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

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Speaker connections
The minimum load is 4Ωfor the amplifier. Example configurations below.
2 speakers↓
6 speakers↓
4 speakers↓
8 speakers↓
+
+
-
-
8Ω
8Ω
LS1
8Ω
LS2
8Ω
1
2
3
4
5.3Ω
5.3Ω
+
+
+
-
-
-
-
-
-
+
+
+
1
2
3
4
LS1
8Ω
LS2
8Ω
LS3
8Ω
LS1
8Ω
LS2
8Ω
LS3
8Ω
+
+
+
+
-
-
-
-
4Ω
4Ω
1
2
3
4
LS1
8Ω
LS2
8Ω
LS3
8Ω
LS4
8Ω
8Ω
8Ω
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
1
2
3
4
LS1
8Ω
LS2
8Ω
LS3
8Ω
LS4
8Ω
LS5
8Ω
LS6
8Ω
LS7
8Ω
LS8
8Ω

CHIAYO ELECTRONICS CO.,LTD.
Http://www.chiayo.com.tw｜Email: [email protected]
Office: 30, Lane 27, Section 4, Jen-Ai Road, Taipei 10685, Taiwan｜Tel: [phone]｜Fax: [phone]
Factory: 88, Chung-Hsiao Street 2, Chiayi 60080, Taiwan｜Tel: [phone]｜Fax: [phone]