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The signal input level is automatically adjusted by the built-in Automatic Input Level control Circuit (ALC). Since this system uses infrared ray, if the headphones/receivers are placed too far from the transmitter, a hissing noise may increase. This is a characteristic of infrared systems and does not mean that the system is defective Do not use this system in the open air under direct sunlight as the infrared system will not work properly.
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Precautions Operate the transmitter on 12V 100mA. Operate the headphone system on3V DC (size AAA batteries x 2). * Turn off the power of the transmitter and the system is not in use. * Do not open the cabinet. Refer servicing to qualified personnel only.
How to use 1. Turn on the audio/video equipment connected to the transmitter. 3. Adjust volume control on the left side. Do not cover the sensors while adjusting volumes. 5. Receiving Positions The headphone / Receiver receives audio signals omni-directionally and in line-of-sight within certain effective ranges.