User manual

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Infrared pendant transmitter (IWM-402)

Parts and functions

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

2. Power switch.

3. Charging port.

4. Charging contact, workable with HC-40 charger. This transmitter has a unique inbuilt

safety feature to protect itself from misuse during recharging. It incorporates a special

charging function which only operates when the PVC cover of the battery is removed.

Any rechargeable batteries used must be prepared in this way for the recharge function

to operate.

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

6. 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.

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

8. Volume control.

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

10. A-B channel switch.

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

Making changes to settings in IWM-402

Channel changing

First open the cover of IWM-402's battery compartment on its rears. There are 2 channels

for use and can be changed by sliding the A-B channel switch.

Battery installation/charging

To install the batteries, rst open the battery compartment on IWM-402's rear. It uses

only 1 AA battery to operate. It accepts NiMH rechargeable battery or Alkaline battery. If

rechargeable battery is used, it can be charged by HC-40 charger.

AA-sized NiMH battery

peeled off