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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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Summary of Contents for IWR-320

Page 1: ...IWR 320 Infrared Wireless Microphone System ISO 9001 ISO 14001 OHSAS 18001 GREEN PRODUCT Operation manual ISO 14001 REGISTERED OHSAS 18001 REGISTERED...

Page 2: ...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 senso...

Page 3: ...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...

Page 4: ...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 o...

Page 5: ...n 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 cable...

Page 6: ...S 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 IRX...

Page 7: ...nsitivity 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 uni...

Page 8: ...orkable 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 fun...

Page 9: ...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 tran...

Page 10: ...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 incorp...

Page 11: ...ISO 9001 ISO 14001 OHSAS 18001 10...

Page 12: ...www chiayo com tw Email sales chiayo com tw Office 30 Lane 27 Section 4 Jen Ai Road Taipei 10685 Taiwan Tel 886 2 27415741 Fax 886 2 27525242 Factory 88 Chung Hsiao Street 2 Chiayi 60080 Taiwan Tel 8...

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