CHIAYO IRX2 User Manual
Page 10
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Handheld IR Transmitter IWH-301
Parts and functions
1. Cartridge screen.
2. 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.
3. Power switch: Slide to turn transmitter on or off.
4. Infrared emitter. IR ray radiates from here. Do not block or hold this part of the body.
5. 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-301 uses only 2 AA batteries to operate.
6. Sensitivity 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 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.
Battery installation/charging
Unscrew the battery cover and install 2 AA batteries. 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.
Two Alkaline batteries or 1cm-
negative-peeled AA NiMH battery
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