User manual

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Infrared handheld microphone (IWH-201/IWH-301)

Parts and functions

1. Grille cover.

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

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

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

3. Power switch. Slide to turn microphone on or off.

4. Battery compartment.

5. Infrared emitter with charging contacts. IR ray radiates from here. Do not block or hold

this part of the body.

6. Channel selector (IWH-301). A stands for 2.08MHz and B stands for 2.54MHz.

Power Selector Switch (Lo/Hi)(IWH-201). This switch changes transmitting intensity

of infrared ray. At Lo position transmitting distance is about 20M and at Hi position

about 30M.If transmission system may pick up some noise at Lo position, it means the

transmitting distance may be insufcient. Please switch to Hi position. Factory setting is

Lo position.At Hi power operation, operating time is about 4 hours. (About half time of Lo

power operation.)

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

Battery installation/replacement

Turn the battery cover counterclockwise and pull out. Make sure the power switch is in OFF

position when installing or replacing batteries. And then install the new battery according to

its correct polarity.

1 32 4 5 7 6

1 NiMH battery 2 sleeved AA batteries