INSTALLATION GUIDE & USER MANUAL
Contents
1. Mounting Screws Mounting Plate gt eo To Suspended Ceiling OR 2 gt with Cross Tee W WILLIAMS SOUND Helping People Hear RECEIVER SAFETY INFORMATION HEARING SAFETY CAUTION This product is designed to amplify sounds to a high volume level which could potentially cause hearing damage if used improperly To protect your hearing and the hearing of others 1 Make sure the volume is turned down before putting on the earphone or headphone before adjusting the volume to a comfortable level Set the volume level at the minimum setting that you need to hear If you experience feedback a squealing or howling sound reduce the volume setting and move the microphone away from the earphone or headphone 4 Do not allow children or other unauthorized persons to have access to this product BATTERY SAFETY AND DISPOSAL CAUTION This product is supplied with disposable Alkaline batteries Do not attempt to recharge disposable batteries which may explode release dangerous chemicals cause burns or other serious harm to the user or product PACEMAKER SAFETY CAUTION 1 Before using this product with a pacemaker or other medical device consult your physician or the manufacturer of your pacemaker or other medical device If you have a pacemaker or other medical device make sure that you are using this product in accordance with safety guidelines established by y2. S To setup a system for four channel operation two MOD 232 Modulators are required Link the two Modulator units together as shown in Figure 4 Connect the baseband output from the second modulator in the chain to the TX9 emitter s baseband input connector Figure 4 Baseband Connection Four Channel Operation N MOD 232 Modulator 1 Rear MOD 232 Modulator 2 Rear Baseband Baseband Baseband Output Input Output Coaxial Cable To TX9 Emitter ka WCA 068 Baseband Input E IMPORTANT Each channel must be set to a different frequency wv WILLIAMS SOUND Helping People Hear AUDIO CONNECTION y Figure 5 Audio Connection MICROPHONE INPUT With the modulator DIP switches set for microphone in Phase input the 3 pin XLR jack accepts balanced microphones Power for condenser microphones can be selected by DIP switch The minimum input level is 100uV and the maximum level is 90 mV sec XLR LINE LEVEL INPUT Balanced Line Using 3 Pin Connector With the modulator DIP switches set for line level input the 3 pin XLR jack accepts balanced line level audio inputs The minimum input level is 21mV and the maximum level is 10uV 3 Pin Connector 1 4 TRS LiNE LEVEL INPUT The 1 4 Tip Ring Sleeve TRS jack can accept only Unbalanced Line Using 3 Pin Connector a balanced or unbalanced line level input In Phase A 25 V 70 V or 100 V speaker line can be connected to the balance
3. Eden Prairie MN 55344 U S A 800 843 3544 952 943 2252 FAX 952 943 2174 www Williamssound com 2007 Williams Sound Corp MAN 132C
4. For APPLICATIONS OUTSIDE THE U S REQUIRING 240 VAC Mains SUPPLY D Use the transformer power supply model TFP 027 e Secondary specifications 24 VAC 35 VA 50 60 Hz PES Step 2 Plug the power supply into the AC outlet 4 Power In Jack TFP 027 01 230VAC Euro Mains Plug TFP 027 02 230VAC UK Mains Plug wv WILLIAMS SOUND Helping People Hear BASEBAND CABLE CONNECTION The MOD 232 can directly drive one or two emitters TX9 emitters repeat the baseband signal so any number of emitters can be used The modulator outputs CANNOT be split with splitters Determine the length of RG 58 cable needed to reach from the TX9 Emitter to the Modulator unit Install BNC connectors to each end of the cable For two channel operation only one MOD 232 is required Connect the coaxial cable to one of the Baseband Output jacks on the rear of the MOD 232 The other end of the coaxial cable connects to the Baseband Input jack of the TX9 Emitter See Figure 3 below Figure 3 Baseband Connection Two Channel Operation Second TX9 Optional MOD 232 Modulator Rear Baseband 7 Baseband Output Output lt _ ToOTX9 gt Baseband Input Baseband Input Connect to the TX9 using RG 58 cable and BNC connectors The MOD 232 has two baseband output jacks to simplify connections when multiple emitters are used J
5. v t BAT AP97A L Rechargeable NiMH Battery M wv WILLIAMS SOUND Helping People Hear TROUBLE SHOOTING NEITHER TX9 INDICATOR LIGHT Is ON D Make sure the transformer is plugged into the emitter and any remote power switch is on gt Make sure the electrical outlet is on gt Make sure the 24 VAC power supply is working OnLy TX9 s Power INDICATOR LED Comes ON D Make sure the MOD 232 is on D Make sure the baseband cable is connected properly See Figures 3 amp 4 gt Check to see if the carrier light on the MOD 232 is on D Make sure an audio signal is being sent to the MOD 232 No SOUND THROUGH RECEIVERS gt If some of the receivers work but others don t check for bad batteries or earphones on the receivers that aren t working gt If none of the receivers work check to see if the power and baseband cable are connected to the emitter and that the TX9 Power and Baseband Present Indicator lights are ON gt Check to see if the modulator is connected properly to the sound system The Frequency Indicator should be lit and there should be activity on the MOD 232 Level Indicators gt Make sure the eye is not covered up on the receiver There must be clear line of sight between the receiver eye and the emitter panel SOUND THROUGH THE Receivers Is WEAK AND Noisy D Make sure each channel is set to a different frequency on the MOD 232 modulator Listen to the audio signal through the Pho
6. 7 Configuration Switches a ae Adjust switch settings on rear of MOD 232 Modulator here Configuration Switches CHA amp CHB Figure 8 Configuration Switches SWITCH SETTINGS COMPRESSOR GAIN SETS MAXIMUM AVAILABLE COMPRESSOR GAIN Arrow up indicates on MIC LINE INPUT position LINE ALWAYS ON 1 4 INCH MIC OR LINE ON 3 PIN Arrow down indicates off position 15 VOLTS PER DIN 45596 NOT AVAILABLE IN LINE INPUT MODE CARRIER FREQUENCY LESE gd fif 3300MHz W f DO NOT SET BOTH CHANNELS 2800MHz f TO THE SAME FREQUENCY eee LL CHANNEL ENABLE TURNS CHANNEL OFF WHEN aa EI DISABLED DISABLED MIX INPUTS NOT MIXED AVAILABLE ONLY IN ONE CHANNEL OPERATION 2 CHANNEL STEREO m IN STEREO MODE CHANNEL A COMPRESSION SETTING CONTROLS BOTH CHANNELS AUTO SHUT OFF TIMER TURNS CARRIER S OFF AFTER 15 MINUTES OF NO AUDIO IMPORTANT Channel A and Channel B must be set to different frequencies COMPRESSOR GAIN The MOD 232 s Compressor Gain is set in Moderate mode from the factory Use this setting for simultaneous interpretation Be sure that the compress control located on the front of the MOD 232 Figure 6 page 6 is turned fully counter clockwise Compression can be added if desired by turning the compress control clockwise For hearing assistance applications the MOD 232 s Compressor Gain can be set to Maximum mode Fo
7. SOUND THEREFORE DISCLAIMS ALL WARRANTIES NOT SET FORTH ABOVE BOTH EXPRESS AND IMPLIED WITH RESPECT TO THE SOUNDPLUS INFRARED LISTENING SYSTEM INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WILLIAMS SOUND SHALL NOT BE LIABLE TO ANY PERSON OR ENTITY FOR ANY MEDICAL EXPENSES OR ANY DIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES CAUSED BY ANY USE DEFECT FAILURE OR MALFUNCTIONING OF THE PRODUCT WHETHER A CLAIM FOR SUCH DAMAGES IS BASED UPON WARRANTY CONTRACT TORT OR OTHERWISE THE SOLE REMEDY FOR ANY DEFECT FAILURE OR MALFUNCTION OF THE PRODUCT IS REPLACEMENT OF THE PRODUCT NO PERSON HAS ANY AUTHORITY TO BIND WILLIAMS SOUND TO ANY REPRESENTATION OR WARRANTY WITH RESPECT TO THE SOUNDPLUS INFRARED LISTENING SYSTEM UNAUTHORIZED REPAIRS OR MODIFICATIONS WILL VOID THE WARRANTY The exclusions and limitations set out above are not intended to and should not be construed so as to contravene mandatory provisions of applicable law If any part or term of this Disclaimer of Warranty is held to be illegal unenforceable or in conflict with applicable law by a court of competent jurisdiction the validity of the remaining portions of this Disclaimer of Warranty shall not be affected and all rights and obligations shall be construed and enforced as if this Limited Warranty did not contain the particular part or term held to be invalid If you experience difficulty with your system call Toll Free f
8. ber of WIR TX9 emitters can be daisy chained together to maximize the coverage area Remember that each emitter needs its own power supply and cannot share a power supply with a modulator or another emitter K 4 WILLIAMS SOUND Helping People Hear TX9 FEATURES AND CONTROLS d Figure 14 TX9 Emitter Rear View Wall Ceiling Mounting Bracket BKT 024 For use with mounting bracket Multi Channel Infrared Transmitter vw WILLIAMS SOUND v RoHS Helping People Hear Class 1 LED Product Mounting Note tis normal fr thi Power Supply Wiring Bracket lass 2 ga Uso NEC 200 f 70m maxi 3 Baseband Signal Wiring Baseband Signal Use 50 Ohm Coaxial Cable RG58 Use RGS Coax 1000 max gh Power Connection Plug in Power Supply aseband In 50 i MAS qx as D Modulation 50 kHz 8 MHz Baseband tam Out Out In wer n AC 6 ohms over On Basetand On Power On LED Baseband On LED Baseband Out Is visible on bottom Indicates presence of BNC Connector 50 Q baseband signal 50 kHz 8 MHz Baseband visible on bottom S 2 MouNriNG THE TX9 A WALL OR CEILING di Figure 15 Mounting the TX9 to a wall ceiling or suspended ceiling with the BKT 024 using a Mounting Plate or a T Bar Clip TX9 Emitter Swivel Head Shaft Plate optional Cover To Wall or Ceiling
9. d line input using an appropriate attenuator T pads made with resistors yield better fidelity than speaker Balanced Line Using 1 4 Connector matching transformers Unbalanced Line Using 1 4 Connector Figure 6 Features and Controls Carrier CXR LEDs Indicate selected Compress Control Inputs Mixed Level Controls frequency flashes to Increases transmitted Indicates CHA amp CH Stereo LED Audio indicate a fault audio up to 30 dB during B audio are mixed Indicates Stereo periods of low level sound and transmitted by Mode iW CH A CH B is off e Williams S und v Microprocessor Controllei 8 1 Inputs Mixed Frequency Synthesized E n a Phones 23 Frequency MHz Channel B Power Switch Power On Level Indicators IR LED Phones Switch Phones Jack Turns the Indicator Indicator shows audio For testing Selects Channel A or 1 4 phone jack modulator on and level in 3 dB steps receivers Channel B audio when Monitors Channel off The wall not in stereo mode A or Channel B or mounted power stereo audio supply stays on at depending on all times position of phone jack switch and mode of operation wv WILLIAMS SOUND Helping People Hear CONFIGURATION SETTINGS Figure 8 illustrates how to configure your system using the DIP switches Figure 7 on the back of the MOD 232 Modulator This diagram is also printed on top of the MOD 232 Modulator unit for quick reference Figure
10. d with the sound system amplifier or mixer for easy access to an audio input signal For portable systems the modulator can be placed near the emitter or in another convenient location Infrared Stand Kits SS 6 and SS 11 are available for portable systems WIRING AND CONNECTIONS Figure 1 MOD 232 Rear View Configuration Switches Baseband Input Power In Controls channel selection Asecond modulator may 24 VAC 50 60Hz compressor gain mic line be connected here for 120 VAC US TFP 016 Power Supply input channel on off and four channel operation 230 VAC CE TFP 027 Power Supply other controls See Figure 7 amp 8 for more info Audio Line MOD 232 Infrared System Modulator WE Input CH A ae CHB Output Williams Sound Cl rt Baseband Input Output Output Input CHA and CHB Audio Line Output Baseband Output Accepts any low impedance RCA jack for monitoring recording or Sends individual and or combined carrier earners line e signal routing processed audio to another frequencies of 2 3 2 8 3 3 3 8 MHz to sound system TX9 emitter WARNING POWERLINE VOLTAGE MUST NOT FALL BELOW 94V OR SYSTEM PERFORMANCE WILL BE GREATLY REDUCED Figure 2 POWER CONNECTION FOR U S APPLICATION Power Connection Step 1 Connect the TFP 016 power supply to the 3 pin Molex Modulator W connector located on the rear of the MOD 232 Mama Senad 9 See Figure 2 right Power In 24 VAC 15 VA 50 60 Hz
11. e the system uses infrared light for transmission it is not affected by interference from radio equipment and does not interfere with radio equipment No FCC license or radio approval is required The system can be used with microphones as a stand alone system or can be connected to other sound equipment Infrared systems generally cannot be used in direct sunlight because of sunlight s large amount of interfering infrared light Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct C the interference at his own expense D NOTICE A PLASMA MONITOR CAN DEGRADE THE AUDIO QUALITY OF THE SOUNDPLUS INFRARED LISTENING SYSTEM FOR BEST PERFORMANCE THE SOUNDPLUS EMITTER SHOULD BE POSITIONED AS FAR AWAY FROM THE PLASMA MONITOR AS POSSIBLE wv WILLIAMS SOUND Helping People Hear MOD 232 MODULATOR SETUP DETERMINE LOCATION The modulator is usually locate
12. lping People Hear COVERAGE AREA r Figure 11 Maximum Range when using the RX22 4 RX14 2 or RX16 receiver Feet 90 80 70 60 50 40 Feet O 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 Receiver Coverage Area with TX9 Transmitter in Single Channel Mode RX22 4 Receiver RX14 2 Receiver RX16 Receiver a These patterns are the direct radiation pattern The infrared radiation does not drop to zero outside the illustrated patterns it decreases It still may be useable at a greater distance depending on the receiver sensitivity and the reflective characteristics of the room Reflections of the infrared light from walls ceilings and floors may change these patterns wv WILLIAMS SOUND Helping People Hear MULTIPLE EMITTERS INSTALLED TO MAXIMIZE COVERAGE Figure 12A Figure 12A and 2B Overlapping Illumination Patterns to Cover Larger Listening Areas Coverage Area with Single Emitter Coverage Area with Second Emitter Added to Same Emission Point 50 increase Figure 13 Connecting Multiple TX9 Emitters WIR TX9 Emitter 3 Rear WIR TX9 Emitter 2 Rear WIR TX9 Emitter 1 Rear MOD 232 Modulator Rear N Baseband N Baseband Output Input Input To additional Emitters lt To Third TX9 Emitter lt To Second TX9 Emitter lt TX9 Emitter To Additional Emiters An unlimited num
13. n Switches Baseband Input Jack Baseband Output Jack Approvals Operating requirements Warranty 8 5 W x 8 2 D x 1 7 H 21 5 cm x 20 8 cm x 4 4 cm 3 1165 1 5 kg Black epoxy paint with white legends 1 2 rack space wide 1 rack space high one or two modulators may be mounted in a single IEC rack space with RPK 005 single or RPK 006 double Rack Mount Kits Wall Transformer 24V AC 50 60 Hz 15VA North America TFP 016 UL CSA Europe TFP 027 01 2 pin Schuko plug CE UK TFP 027 02 3 pin UK plug CE FM Wideband 50kHz deviation 50uS pre emphasis Channel A Selectable 2 3 2 8 3 3 3 8MHz Channel B Selectable 2 3 2 8 3 3 3 8MHz More than 60dB 30 to 16 000Hz 1 dB 3dB electrical response Less than 2 6 electrical response Compression slope adjustable from 1 1 to 4 1 Switchable compression gain Moderate 16dB Max 33dB 15 minute timer shuts off carrier when no audio is present can be disabled Two position push button ON OFF Green LED CHA and CHB Input Level rotary knobs CHA and CHB Audio Level 10 segment LED s 4 green LED carrier on indicators per channel indicates frequency malfunctions 1 1 to 4 1 Indicates inputs A and B audio are mixed and transmitted by CHA CHB off Indicates stereo mode Selects CH1 or CH2 for phones when not in stereo mode 1 4 TRS headphone jack Accepts stereo mono and any impedance phones IR LED for receiver testing monitoring and audio signal
14. nes jack of the MOD 232 modulator You can also hold a receiver in front of the Infrared Test LED on the front of the MOD 232 modulator and listen to the audio signal If the signal is weak and noisy here check the Input Level switch and Input Level Control settings Increase the input signal level from the sound system by turning up the mixer control If the signal sounds okay you may need to re position the emitter panels or add additional panels NOTE Make sure the powerline voltage does not fall below 94V or system performance will be greatly reduced BuzziNc OR HUMMING Noise IN SOUND SYSTEM b Check for ground loops or noise on the input signal Call your Authorized Williams Sound dealer or representative wv WILLIAMS SOUND Helping People Hear LIMITED WARRANTY Williams Sound products are engineered designed and manufactured under carefully controlled conditions to provide you with many years of reliable service Williams Sound warrants the SoundPlus Infrared Listening System against defects in materials and workmanship for FIVE 5 years During the first five years from the purchase date we will promptly repair or replace the SoundPlus Infrared Listening System Microphones earphones headphones batteries cables carry cases and all other accessory products carry a 90 day warranty Chargers carry a one year warranty WILLIAMS SOUND HAS NO CONTROL OVER THE CONDITIONS UNDER WHICH THIS PRODUCT IS USED WILLIAMS
15. or customer Assistance 1 800 843 3544 U S A or 41 952 943 2252 Outside the U S A If it is necessary to return the system for service your Customer Service Representative will give you a Return Authorization Number RA and shipping instruction Pack the system carefully and send it to Williams Sound Corp Attn Repair Dept 10321 West 70th Street Eden Prairie MN 55344 USA Your warranty becomes effective the date you purchase your system Your returned warranty card is our way of knowing when you warranty begins Please take a moment to fill it out and mail the enclosed card You may also register your product online www williamssound com registration aspx This information will help us serve you better in the future Thank you wv WILLIAMS SOUND Helping People Hear SOUNDPLUS INFRARED LISTENING SYSTEM SPECIFICATIONS Mobe ts WIR TX900 WIR TX925 WIR SYS 1 WIR SYS 2 WIR SYS 2P WIR SYS 4 Two Channel Modulator Model MOD 232 Size Weight Color Rack Mount Power Supply Modulation Carrier Frequency Signal to Noise Ratio Frequency Response Total Harmonic Distortion Audio Processing Auto Carrier Shut Off Power Switch Power Indicator Audio Level Controls Audio Indicators Carrier LEDs Compress Control Input Mix LED Stereo LED Phones Switch Phones Output Infrared Test LED Power Input Audio Input Jack Mic Level Line Level Audio Line Output Jacks Configuratio
16. our physician or the pacemaker manufacturer RECYCLING INSTRUCTIONS BATTERY SAFETY AND DISPOSAL Help Williams Sound protect the environment Please take the time to dispose of your equipment properly Product Recycling for Customers in the European Union Please do NOT dispose of your Williams Sound equipment in the household trash Please take the equipment to a electronics recycling center OR return the product to your Williams Sound dealer for proper disposal Battery Recycling for Customers in the European Union Please do NOT dispose of used batteries in the household trash Please take the batteries to a retail or community collection point for recycling 10 01 07 Gl WILLIAMS SOUND Helping People Hear OPTIONAL RECEIVERS Figure 16 Four CHANNEL RECEIVER MODEL WIR RX22 4 Channel Pence 2 3 MHz 2 8 MHz 3 3 MHz 3 8 MHz Earphone Channel Jack Selector Knob SounbPLus IR on On Off TECHNOLOGY Indicator LED Volume Switch RX22 4 Top RX22 4 Front di Figure 17 WIR RX14 2 HEADSET RECEIVER UN Right Earphone Left Earphone Infrared Eye ___ Infrared Eye AAA Battery AAA Battery Compartment Compartment g Frequency Selector nt 2 3 MHz Volume or 2 8 MHz FRONT VIEW quum 16 WIR RX16 UNDER THE CHIN RECEIVER N WIR RX16 Front View Frequency Selection Switch 2 3 MHz 2 8 MHz Stereo Volume Control Knob Sound Plus
17. r additional compression use a tuning wand PLT 005 or small screw driver and gently turn the compress control Figure 6 page 6 on the front of the MOD 232 clockwise wv WILLIAMS SOUND Helping People Hear TX9 EMITTER SETUP TX9 LOCATION AND PLACEMENT To determine the best location for the TX9 Emitter it helps to think of the IR emitter as an invisible floodlight You ll want to aim it so the listeners are flooded with the infrared light Mount the emitter at least 2 ft 61 m above the audience Position the emitter to face in a slightly downward angle that will increase the throw of the infrared beam Infrared light reflects off most surfaces and scatters increasing the coverage area Rough surfaces tend to absorb infrared light minimizing reflections and limiting coverage to the direct illumination Remember opaque objects block infrared light Thus emitters cannot be concealed behind opaque walls curtains etc The emitter front red plastic lens must NOT be painted Neither should emitters be used in areas of extreme high or low temperature humidity or chemical environments The TX9 Infrared Emitter should not be installed where there is a lot of direct sunlight which can create infrared interference di Figure 9 3 Dimension Foot Pattern Figure 10 NOTE When pointing N the emitter be sure to keep the long dimension horizontal Correct Gl WILLIAMS SOUND He
18. testing 3 Pin Molex 24VAC 50 60Hz 15 VA CHA and CHB combination XLR TRS jack Balanced Lo Z 100uV min to 90 mV max 1ImV nominal 3kQ input impedance supplies switchable simplex power per DIN 45596 for condenser mics Balanced or unbalanced 21mV min to 10V max 212mV nominal 100k 2 RCA Jack CHA and CHB 500mV unbalanced 1009 source impedance load impedance must be greater than1k9 CHA and CHB 8 position DIP switch selects Mic Line input compressor gain simplex power discrete or mixed inputs carrier frequency channel disable auto shut off timer BNC allows mixing with additional MOD 232 Modulator 4CH operation 100mV 500 input impedance use with MOD 232 BNC RG 58 Cable Two BNC jacks carry baseband signal 100mV channel 50 source impedance for use with WIR TX9 or MOD 232 only CE FCC RoHS WEEE 0 50 C ambient temperature non condensing non corrosive atmosphere 5 years on Modulator 90 days on accessories NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE wv WILLIAMS SOUND Helping People Hear Multi Channel Infrared Emitter Model TX9 Dimensions Weight Color Power Supply Power Cable Indicators Carrier Frequency Emitter IR Power Coverage Area Baseband Input Baseband Output Baseband Cable Operating Requirements Mounting Kits Warranty Approvals Compatible Receivers 11 25 W x 6 25 H x 2 125 D 28 6 cm x 15 9 cm x 5 4 cm 1 9165 0 9 kg Black
19. with white legends red acrylic lens Wall Transformer 24VAC 50 60Hz 35VA 3 pin MOLEX Connector North America TFP 010 UL CSA Europe TFP 027 01 2 pin Schuko plug CE UK TFP 027 02 3 pin UK plug CE Note Each WIR TX9 requires its own power supply NEC Class 2 wiring two conductor 18 ga 200 61m max length Green LED power indicator red LED baseband indicator 50 kHz to 8 MHz 3 5 watts 28 000 ft 2 600 m in single channel mode when using the RX22 4 Receiver 11 000 ft 1 000 m in four channel mode when using the RX22 4 Receiver 3 500 ft 325 in single channel mode when using the RX14 2 Receiver 3 063 ft 285 m in single channel mode when using the RX16 Receiver See coverage area diagrams BNC 100 mV per carrier 509 for use with WIR TX9 or MOD 232 only BNC 509 for use with TX9 only RG 58 Coax BNC connectors maximum 1000 300m length 0 50 C ambient temperature non condensing non corrosive atmosphere Wall or Ceiling Mount BKT 024 Omnidirectional mount Mic Stand Kit SS 11 or SS 6 5 years on Emitter 90 days on accessories CE FCC RoHS WEEE WIR RX22 4 Four Channel Receiver WIR RX14 2 Two Channel Receiver RX16 Two Channel Receiver NOTE SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Visit our website for the latest specifications and publications www williamssound com wv WILLIAMS SOUND Helping People Hear WILLIAMS SOUND Helping People Hear 10321 West 70th St
20. wv WILLIAMS SOUND Helping People Hear INSTALLATION GUIDE amp User MANUAL Sound Plus Infrared Listening System Model WIR TX925 Two Channel Listening System Model WIR TX900 Four Channel Listening System Model WIR SYS 1 Two Channel Listening System Model WIR SYS 2 Two Channel Listening System Model WIR SYS 2P Two Channel Listening System Model WIR SYS 4 Four Channel Listening System Modulator Model MOD 232 Emitter Model WIR TX9 Optional Receiver Models WIR RX22 4 WIR RX14 2 WIR RX16 MAN 132C SOUNDPLUS INFRARED LISTENING SYSTEM INSTALLATION GUIDE AND USER MANUAL Contents Page SYSTEM OVERVIEW INSTALLATION PROCEDURES MOD 232 Modulator Setup Wiring amp Connections Features amp Controls Configuration Settings TX9 Emitter Setup Coverage Area Features amp Controls Mounting Receiver Safety Instructions Recycling Instructions Optional Receivers ARES ER AVES A eas Ra ete ES 13 TROUBLESHOOTING WARRANTY SPECIFICATIONS MOD 232 Modulator Model TX9 Emitter wv WILLIAMS SOUND Helping People Hear SYSTEM OVERVIEW The Williams Sound SoundPlus Infrared Listening System consists of a MOD 232 Modulator s and one or more TX9 Emitters which use invisible infrared IR light to broadcast speech or music to wireless infrared receivers The system is designed to transmit high quality audio for hearing assistance and language translation applications Becaus
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