Page 1
® UICK ETUP UIDE Sound Plus Infrared Listening System ™ Model WIR TX90, Two Channel System Transmitter Model WIR TX90 Optional Receiver Models WIR RX12-4, WIR RX14-2 MAN 124B...
No FCC license or radio approval is required with this equipment. It can be used anywhere in the world. The WIR TX90 transmitter is designed to distribute its power equally among the channels sent to it for transmission. In two channel mode, the WIR TX90 will achieve a coverage area of approximately...
Page 4
UDIO OURCE Determine the length of the audio cable needed to connect to the sound system to the WIR TX90 transmit- ter. Install the supplied Phoenix connector on the end of the audio cable to be connected to the transmit- ter.
Page 5
The WIR TX90 will accept any line level, balanced, or unbalanced audio inputs. If you wish to operate in single channel mode, plug the audio cable with the installed Phoenix connector in “Channel A” OR the “Channel B” connector. If you choose to operate in two channel mode, plug the audio cables with Phoenix connectors in both “Channel A”...
Page 6
8: A DJUST UDIO NPUT EVEL The TX90 is designed to accept a line-level audio input signal. The “Level” indicator light for each channel is used to help adjust the audio input level. When the indicator does not light, the input signal level is too low.
Page 7
“on” indicator LED will flash to indicate a low battery. FIG. D1 FIG. D2 Channel Frequency 2.3 MHz 2.8 MHz 3.3 MHz 3.8 MHz Williams Sound 4 channel Earphone Volume/Off On LED Channel Selector Jack Control Knob Indicator Rotator Knob Infrared "Eye"...
WIR RX14-2 R ETTING P THE ECEIVER OPTIONAL Turn the receiver’s Power Switch to ON Place the headset on your head and adjust the headband size by pulling or pushing on each earpiece. Locate and adjust the individual volume controls for a comfortable listening level. Choose between 2.3 MHz or 2.8 MHz operation by pressing the frequency selector button on the left earphone.
˛ If none of the receivers work, check to see if the power and audio input cable are connected to the transmitter and that the WIR TX90 “Power On” and Channel A or B “On” indicator is illuminated. ˛ Check to see if the transmitter is connected properly to the sound system. The audio level indicators should flash on channels that are selected.
Need help?
Do you have a question about the WIR TX90 and is the answer not in the manual?
Questions and answers