Chiayo IWA-300, Operating Manual

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Wall
Nail
Hole
14cm
Hole
This is an InfraRed wall-mount amplifier system. It is designed for Indoor fixed
installation use only. To install it on the wall, please select a place near the AC
outlet. Two nails should be hammered horizontally at 14cm apart on the wall and
hang the wall mount amplifier about 1 1/2 m above ground. Install two 8
Ω
speaker in the middle left / right or the rear end of the classroom at a height of
about 2 1/2 m from the ground and connect the speaker wires to the speaker out of
the amplifier. IWA-300 is equipped with one internal receiving sensor. If the
coverage of the built-in sensor is inadequate, this amplifier allows the installation
of two additional extension sensors ( please use IS-20 ) for extended coverage.
The external sensor should be installed at half height of the classroom at the left /
right or rear end of the classroom. DO NOT install the sensor at the ceiling or just
below the ceiling. At half height, the sensor has the best receiving angle.
Installation of IWA-300
Custom made rechargeable Ni-MH bettery
NiMH battery
1.This battery is exclusively designed for use with the Chiayo infrared handheld
microphone. The rating is 2.4V / 2100 mAH.
2.Please fully charge the supplied NiMH battery before use.
3.Even though NiMH battery does not have memory effect, it is still advisable to
fully discharge the battery before the next charging. Repeated charging without
full discharge may somehow shorten the lifespan of the rechargeable battery.
4.Battery lifespan is about 1 year or 500-time charging cycle under normal
operating condition. When operating hour keeps decreasing even after every
full charge, it indicates that the battery has been exhausted and a replacement
is necessary.
5.Be sure to use the Chiayo specified rechargeable battery as others may not
Work well with the drop-in charger.
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