Williams Sound TV Converter Box WIR RX237 User Manual

SoundPlusTV Infrared Receiver • Model WIR RX237  
Description:  
The WIR RX237 receiver is ideal for TV or stereo listening, meetings, offices, or other small group  
listening applications. A 3.5mm jack allows the user to plug in a variety of listening accessories such  
as an earphone, headphone, or neckloop. On/off switch is conveniently built into the receiver’s jack.  
The WIR RX237 is compatible with transmitters operating on 2.3 MHz and/or 2.8 MHz frequency.  
Applications:  
Television Listening • Stereo Listening • Small Group Listening • Language Interpretation • Offices  
WIR RX237 Receiver:  
Weight:  
Material and Color:  
Battery Type, Life:  
1.7 oz (50 g) with battery  
ABS plastic, Black  
BAT AP97A NiMH Battery Pack, 6  
hours  
Modulation Frequency:  
Frequency Response:  
Signal-to-Noise Ratio:  
Controls:  
2.3 and 2.8 MHz  
200 Hz to 8 kHz, 5 dB  
60 dB at 9 m  
Volume control thumbwheel; screw-  
driver adjust balance  
and (L & R) tone controls  
115 dB MAX SSPL90 with EAR 013  
(2cc coupler)  
Compatible with transmitters operat-  
ing on 2.3 MHz/2.8 MHz  
Built into jack  
Acoustic Output:  
Compatibility:  
Power Switch:  
Approvals:  
Warranty:  
RoHS, WEEE  
5 years, parts and labor*  
RX238 Front  
(Earphone not included.)  
Bid Specs:  
RX237 Receiver  
The receiver shall be underchin with an IR detector lens in the face of the unit. The receiver shall be  
compatible with transmitters operating on 2.3 MHz/2.8 MHz. The receiver shall have a rotary-type vol-  
ume control and the power switch shall be built into the “jack,” so that the unit will automatically shut  
off when the earphone or headphone is unplugged. The receiver shall have left and right tone and bal-  
ance control adjustable by a screwdriver. The receiver shall operate for 6 hours per charge with 1 BAT  
AP97A NiMH battery. The receiver shall be housed in a black ABS plastic case. The receiver shall provide  
115 dB SSPL90 output (w/EAR 013). The system frequency response shall be 200 Hz to 8 kHz, and the sig-  
nal-to-noise ratio shall be 60 dB at 9 m. The receiver shall have RoHS and WEEE approval and be covered  
by a five-year parts and labor warranty*, 90 days on the battery. The receiver shall be the Williams  
Sound Corp. model WIR RX237.  
*90 days on accessories.  
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!  
©2007, Williams Sound Corp. MCAT 053B  
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