Manual - Williams Sound
Contents
1. PERSONAL PA VALUE PACK SYSTEM SPECIFICATIONS PERSONAL PA TRANSMITTER Moner T17 Dimensions amp Weight Color Power U S Canada Operating Frequencies Frequency Selector RF Field Strength Nominal Range Modulation Stability 3 25 W x 6 875 Lx 1 75 H 82 5 mm x 174 6 mm x 44 5 mm 13 oz 368 5 g Black 105 130 VAC 50 60 Hz 5 W CH A 72 1 MHz CH B 72 3 MHz CH C 72 5 MHZ CH D 72 7 MHZ CHE 72 9 MHz CH F 75 5 MHz CH G 75 7MHZ CH H 75 9MHZ CH I 74 7 MHz CH J 75 3 MHZ CH E 72 9 MHz is standard Internal switches 10 channels 8000 uV m at 30 m Max 20 mW typical 300 500 feet 90 150 m 75 kHz wide band max 005 over 0 50 C FCC ID Pre Emphasis Frequency Response Distortion Signal to Noise Ratio Microphone Input Mic Input Level Line Level Input Line Input Level Input Attenuator Antenna Outputs CNMT17 75 uS 100 Hz 15 kHz 3 dB 1 Max THD 55 60 dB with R7 Receiver 3 5mm mini phone jack supplies DC for electret mics 1 10 mV nominal RCA Jack Hi Z unbal 1 1 Vrms nominal Pot screwdriver adjustable Thread Mount for rubber duckie flexible whip antenna optional 75 Q Coaxial Antenna ANT 005 uses RG 59 cable 400 ft 140 m max cable length NOTE FCC Rules limit the use of the 72 76 MHz band to auditory assistance for the handicapped Specific transmitter model names contain a frequency code For example Model T17E2. don t check for bad batteries or earphones on the receivers that aren t working gt Check to see that the receiver frequency matches the transmitter frequency The frequency sticker is on the bottom of the transmitter and inside the back cover of the receiver If they do not match see Frequency Change Instructions on page 14 If none of the receivers work check to see if the power is connected to the transmitter and the Power light is on gt Check to see if the Transmitter is connected properly to the sound system See page 7 gt Turn the screwdriver adjust input level control located on the T17 front panel clockwise to increase the input signal strength Check to see that the audio light is flashing occasionally but not continuously gt If you are not using an input signal from a sound system make sure the Williams Sound microphone is plugged into the Mic jack on the front of the T17 transmitter Make sure the antenna is installed and connected properly See page 7 INSUFFICIENT RANGE GOOD RECEPTION NEAR TRANSMITTER POOR AT A DISTANCE gt Check to see if the antenna was installed correctly If not correct or replace the antenna The signal should be clearly audible at a 300 foot distance SOUND THROUGH RECEIVERS IS LOUD BUT DISTORTED NOISE ROOM NOISE OR ELECTRONIC NOISE SEEMS TO GROW AFTER TALKING STOPS AUDIO INDICATOR LIGHT IS CONTINUOUSLY ON gt Turn the screwdriver adjust input level control lo
3. is preset to channel E 72 9 MHz PERSONAL PA Receivers MopEL R7 MobEL R7 4 Model R7 Model R7 4 Dimensions amp Weight Color Battery Type Battery Drain Battery Life FCC ID Single channel Pre Tuned Adjustable 72 9 MHz standard 10 Channels Available 72 1 75 9 MHz 4 Channel Pre Tuned Selectable CH A 72 1 MHz CH C 72 5 MHZ CH E 72 9 MHz CH G 75 7 MHz OR CH B 72 3 MHz CH D 72 7 MHZ CH F 75 5 MHz CH H 75 9 MHz 3 5 8 L x 2 3 8 W x 7 8 H 92 1 mm x 60 3 mm x 22 2 mm 3 2 oz 90 g with battery Gray 9 Volt Eveready 216 Carbon Eveready 522 Alkaline or BAT 003 NiMH Rechargeable 14 mA nominal 32 hours with Eveready 522 6 hours charge with BAT 003 CNM R7Y CNM R74Y Operating Frequencies Intermediate Freq FM Deviation De Emphasis AFC Range Sensitivity Squelch Input Overload Frequency Response Signal to Noise Ratio Receive Antenna Audio Output Output Connector Earphone R7 4 Channel Selector Pre Tuned Adjustable 72 MHz 76 MHz 75 kHz 75 kHz 75 uS 300 kHz 2 uV at 12 dB Sinad with squelch defeated Squelches at 10 uV for minimum 50 dB S N ratio 20 mV 100 10 kHz 3 dB 50 dB at 10 uV Integral with earphone headphone cord 250 mW max at 16 Ohms 3 5 mm mini phone jack also serves as a charging jack for rechargeable battery Earbud type with foam cushion 3 5 mm plug 32 Q Other styles available 4
4. of the arrow will increase the volume Turning the knob against the arrow will decrease the volume To avoid depleting the battery make sure the receiver is turned off when not in use If you re using the PPA VPE with an existing sound system make sure the sound system is turned on Have someone speak into a sound system microphone while you listen with the receiver and earphone You should be able to hear their voice through the receiver If you re using the PPA VPE with a microphone and not a complete sound system have someone speak into the microphone while you listen with the receiver and earphone You should be able to hear their voice through the receiver Note The earphone cord is the receiving antenna Do not bunch up the cord or wrap it around the receiver ADDITIONAL RECEIVER INSTRUCTIONS wv Williams Sound Helping People Hear Mooe s PPA R7 4 AND PPA R7 6 The R7 4 and R7 6 receivers feature a channel selector knob on top of the receiver Turn the selector knob until you hear the desired program Moner PFM R16 The R16 Receiver features an environmental microphone input and dual volume controls The taller knob turns the receiver on and off and controls the transmitted signal level The shorter knob controls the microphone signal level By adjusting the two volume controls you can hear a mixture of the transmitted signal and nearby sounds d Note Some users may not be helped by this system Severe hearing lo
5. position rotary switch NOTE Specific receiver model numbers contain a frequency code For example Model R7E is preset to channel E 72 9 MHz wv Williams Sound Helping People Hear 19 Va a u w W b G G G G GD l l l l ll l li S 8 10321 West 70th St Eden Prairie MN 55344 3459 U S A 800 328 6190 952 943 2252 FAX 952 943 2174 www williamssound com 2003 Williams Sound Corp MAN 035F vi Williams Sound Corp
6. the Frequency to Another Channel Step 1 Set the transmitter to the channel desired and remove the antenna Step 2 Connect an audio source to the transmitter such as a CD or cassette player or microphone Step 3 Move the receiver about 25 feet away from the transmitter to set the tuning Step 4 Open the battery compartment then lift up on the battery door to open the back of the receiver This will expose the tuning coil or coils to be adjusted wv Williams Sound Helping People Hear Va ai G G G G G l s D D D P P 5 8 Step 5 Locate the Tuning Coil See figure on previous page Each tuning coil is a small square shiny metal can with a screwdriver slot in a tuning slug in the top center The Tuning Slug is usually black or gray Step 6 With the earphone or headphone supplied with the receiver plugged into the Ear Jack turn the volume control to a comfortable level and listen for the transmitted signal Step 7 Gently put the tip of the tuning wrench into the slot in the tuning slug Be careful not to push hard on the slug so as not to damage the threads in the coil and do not screw it down more than 3 turns into the coil Step 8 Turn the tuning slug in a counter clockwise direction about two turns Then slowly turn the tuning slug in the clockwise direction until the signal is heard There may be two signal points heard The one which is received first is a false response Be sure to continue tuning slightl
7. EIVER FREQUENCY CHANGE INSTRUCTIONS Tuning for the R7 R30 R31 and R32 receivers is determined by a single tuning coil In the R7 4 and R7 6 one coil is assigned to each switch position See the following 6 figures and receiver types to locate the coils to be adjusted A plastic tuning wrench PLT 005 will be needed to adjust these receiver tuning coils pS E eo NY O e s e Q LOODI TUNING COIL Q Ferrite Tuning Slug o Oo B B TO el RO 2 O o dB eei R7Y vs ng Most Williams Sound single channel Receivers are set at the factory to 72 9 MHz The standard four channel receivers R7 4NA Channels 1 4 are usually set to frequencies 72 1 72 5 72 9 75 7 MHz respectively The standard six channel receivers R7 6N channels 1 6 are set to frequencies 72 1 72 5 72 9 75 7 74 7 and 75 3 MHz respectively The Receiver must be tuned with a weak and somewhat noisy signal If tuned too close to the transmitter with a strong signal the most accurate tuning of the receiver is not possible To Change
8. JUSTMENTS For handy storage simply turn the jumper sideways and place it on just one of the two pins Step 5 Re assemble the Transmitter 8 Y Williams Sound Helping People Hear Va a i G D D G D G DA P l l l l i S 8 RECEIVER UsE INSTRUCTIONS RECEIVER MoopeL PPA R7 Receiver Model PPA R7 has a single wheel type volume control and an earphone output jack BATTERY INSTALLATION Open the battery compartment using a coin in the slot in the bottom of the receiver Press the battery into place observing proper battery polarity Incorrect insertion of the battery is difficult and may cause both mechanical and electrical damage to the receiver not covered by the 5 year warranty The receiver will not work with the battery incorrectly installed CONNECTING EARPHONES Plug an earphone into the jack near the thumb wheel volume control Only monophonic earphones will operate properly If stereo headphones are used sound will be heard only in one side A suitable adapter Radio Shack Part 274 368 can be used so that stereo earphones operate on both sides Williams Sound extensively evaluates the earphones and headphones included with the PPA 250 We can only assure optimum performance when Williams sound earphones and headphones are used OPERATING THE RECEIVER Turn the receiver on by rotating the volume control in the direction of the arrow on top of the case The On indicator will light Turning the knob in the direction
9. Use only Williams Sound supplied chargers and batteries RECOMMENDED BATTERIES For Receiver BATTERY LIFE For Receiver Eveready 216 Carbon 9V Eveready 522 Alkaline 9V or equiv BAT 003 rechargeable NiMH only BAT 004 BAT 005 or CHG 1269 Chargers only for BAT 003 15 hours for Eveready 216 Carbon 9V or equivalent 32 hours for Eveready 522 Alkaline 9V or equivalent 6 hours per charge for BAT 003 rechargeable If the sound becomes weak or distorted replace the battery The indicator light may still be on even with a battery that is weak Do not leave dead batteries in the receivers FURTHER SUGGESTIONS Receivers SHOULD NOT be left charging continuously when not in use Receivers should always be turned OFF while charging It s best to allow the batteries to fully discharge before charging If the batteries are near end of life and the LED turns off while the receiver is operating approximately one hour of battery life remains Repeatedly charging the batteries after short periods of use 1 2 hours will shorten battery life Rechargeable batteries will need to be replaced after 1 2 years of use wv Williams Sound 1 Helping People Hear Va i i G G G G G DG D W D D D 5 8 TROUBLE SHOOTING GUIDE TRANSMITTER POWER LIGHT NOT ON Make sure the wall transformer is plugged into the transmitter Make sure the electrical outlet is on No SOUND THROUGH RECEIVERS gt Ifsome of the receivers work but others
10. W Installation Guide amp User Manual PERSONAL PA Value Pack System Wide Band FM Wireless Listening System Model PPA VPE Transmitter Model T17 T17 6 w A Receiver Model R7 R7 4 R7 6 Williams Sound MAN 035 F Va u w G ee PERSONAL PA VALUE PACK SvsTEM MopeL PPA VPE INSTALLATION GUIDE amp USER MANUAL CONTENTS PAGE SYSTEM OVERVIEW 4 SYSTEM CONTROLS AND FEATURES 5 SYSTEM SET UP AND OPERATION 7 ANTENNA CONNECTION POWER CONNECTION AUDIO CONNECTION UsING A MICROPHONE TURNING OFF DC MICROPHONE POWER RECEIVER USE INSTRUCTIONS 9 PPA R7 RECEIVER ADDITIONAL RECEIVERS UsiNG A RECEIVER WITH A HEARING AID BATTERY INFORMATION 11 SINGLE USE BATTERIES RECHARGEABLE BATTERIES TROUBLESHOOTING GUIDE 12 FREQUENCY CHANGE INSTRUCTIONS 14 TRANSMITTER FREQUENCY CHANGE INSTRUCTIONS RECEIVER FREQUENCY CHANGE INSTRUCTIONS RECEIVER MANAGEMENT SUGGESTIONS 17 WARRANTY 18 SYSTEM SPECIFICATIONS 19 wv ij e 3 QU Williams Sound Va i W G G D G D D D P C D D E 8 SYSTEM OVERVIEW Thank you for purchasing the Personal PA Value Pack System from Williams Sound Corporation The PPA VPE System is a Wide Band FM Listening System which operates in the 72 76 MHz frequency band Designed for hearing assistance in places of public access the PPA VPE is for those who need help overcoming background noise reverberation or distance from the sound source The versatile PPA VPE is easily integrated with your existing sound
11. cated on the T17 front panel counter clockwise to decrease the input signal strength The audio indicator light should flash not be lit continuously SOUND THROUGH THE RECEIVERS IS WEAK AND NOISY AUDIO INDICATOR LIGHT IS NOT LIT gt Turn the screwdriver adjust input level control located on the T17 front panel clockwise to increase the input signal strength The audio indicator light should be flashing Increase the input signal level from the sound system SCRATCHY NOISE WHEN RECEIVER VOLUME CONTROL IS ADJUSTED Follow the steps below 1 Open the back of the receiver case by opening the battery compartment Keep lifting on the battery door and the back of the receiver case will open like a book wv Williams Sound Helping People Hear Va ai G G G G G l s D D D P P 5 8 wv 2 Remove the screw from the center of the volume control and remove the knob 3 Liftthe clear plastic cover on the control and spray GC SPRA KLEEN LPS Contact Cleaner or equivalent into the control Replace the knob and rotate the control several times 4 Replace the screw and close the case BUZZING OR HUMMING NOISE IN SOUND SYSTEM gt There is nothing wrong with the T17 Transmitter One or more pieces of equipment in the sound system are being disturbed by RF Radio Frequency signals produced by the T17 The most likely suspects are your amplifier mixer or tape deck The RF gets into the other equipment primarily through the power c
12. hey are on the list or if you discover one Step 1 Unplug the power cord from the Transmitter and remove the antenna Step 2 Use a phillips type screwdriver to loosen the two screws on the rear of the Transmitter Remove the cover Slide the circuit board out of the case Step 3 Use the diagram to locate the frequency selector switches on the circuit board Locate the switch programming chart on the bottom of the Transmitter case FIGURE 5 LOCATING FREQUENCY SWITCHES Frequency Switches 14 Y Williams Sound Helping People Hear F A Step 4 Use a paper clip or small screwdriver not a pencil point to move the switches to correspond with the switch positions on the programming chart See Figure 6 Select a new frequency at least two channels away from the one you are experiencing interference on DO NOT TOUCH ANY OF THE OTHER ADJUSTMENTS FIGURE 6 SETTING THE T17 FREQUENCY SELECTOR SWITCHES I ERREUR Switches set for 72 9 MHz FREQUENCY SwiTCH SETTINGS MHz 1 2 3 4 5 6 72 1 DN DN UP DN DN 72 3 DN DN UP UP DN 72 5 DN DN UP DN DN 72 7 DN DN UP UP DN 72 9 DN DN UP DN DN 75 5 UP DN UP UP DN 75 7 UP DN UP DN DN 75 9 UP DN UP UP DN 74 7 UP DN UP UP DN 75 3 UP DN UP DN DN Step 5 Re assemble the Transmitter and plug it in Connect a tape player or radio to the transmitter to provide a tuning signal for the receivers Y Williams Sound 15 Helping People Hear W REC
13. iable service Williams Sound warrants it against defects in materials and workmanship for FIVE 5 years EXCEPT FOR earphones headphones rechargeable batteries chargers cables antennas carry cases and all other accessory products Accessory products carry a 90 day warranty If the product fails within the specified warranty period Williams Sound will determine whether to repair or replace the defective equipment This warranty does not apply to physical damage abuse mis use or products that have been modified If you experience difficulty with your system call for Customer Assistance 1 800 328 6190 If it is necessary to return the system for service a Williams Sound representative will give you a Return Authorization Number RA and shipping instructions Pack the system carefully and send it to Williams Sound Corp 10321 West 70th Street Eden Prairie MN 55344 3459 USA Phone 800 843 3544 952 943 2252 Fax 952 943 2174 TTY 952 943 9675 e mail info williamssound com Your warranty becomes effective the date you purchase your system Your returned warranty card is our way of knowing when your warranty begins It also gives us important information about your system including the serial number This information will help us serve you better in the future Please take a moment to complete and mail the attached card Thank you 18 wv Williams Sound Helping People Hear Va i G G D G G G l P i l l i l t l l l S 8
14. icator light on the front panel of the T17 should glow when the power is connected There is no on off switch The T17 is designed to be continuously on The wall transformer can be plugged into a switched outlet that turns on when the other sound equipment is turned on If turning the T17 on creates a hum or buzz in the sound system see the Troubleshooting section on page 12 STEP 3 MAKE AUDIO CONNECTIONS 3A 3B IF vou WILL BE USING THE T17 WITH ITS OWN MICROPHONE AS A STAND ALONE SYSTEM Any Williams Sound microphone with a 3 5 mm mini phone plug can be used with the T17 Plug the microphone into the Mic jack on the front panel of the T17 The T17 is designed to supply positive DC voltage to the plug tip of 2 wire barefoot electret power condenser microphones If you will be using the T17 with a non Williams Sound Lo Z dynamic microphone this DC power should be turned off See page 8 If you use both the Microphone input and the Audio Input on the T17 the signals will be mixed together IF YOU WILL BE USING THE T17 WITH AN EXISTING SOUND SYSTEM Refer to the figure 1 on page 4 Use the audio cable supplied to connect the T17 Audio In jack to an appropriate audio output jack on the sound system mixer or amplifier The T17 is designed to work with an unbalanced line level audio signal Suitable connections are Choice 1 TAPE OUT or LINE OUT Jack Choice 2 BOOSTER or BRIDGING Jack Choice 3 Speaker Term
15. inal 8 Ohm Tap If your amplifier or mixer does not have RCA type connectors you can obtain adapters from your Williams Sound Authorized Dealer or a local radio parts store If the TAPE OUT jack is already in use a Y Cord can be used to connect the T17 and a second device to the same jack STEP 4 TEST THE SYSTEM Use a receiver to test the system and set the input level control See the section Receiver Use Instructions Y Williams Sound 7 Helping People Hear Va i G l D WA D l l l l i i S 8 TuRNING OFF DC MICROPHONE POWER The T17 is designed to supply positive DC voltage to the plug tip of 2 wire barefoot electret power condenser microphones If you will be using the T17 with a non Williams Sound Lo Z dynamic microphone this DC power should be turned off See Figure 4 If you use both the Microphone input and the Audio Input on the T17 the signals will be mixed together Step 1 Unplug the power cord from the T17 and remove its antenna Step 2 Use a phillips type screwdriver to loosen the two screws on the rear of the Transmitter Remove the cover Slide the circuit board out of the case FiGure 4 TURNING Orr DC MICROPHONE POWER HD4 Jumper Location This black jumper is also labeled on the T17 circuit board Step 3 Use the diagram to locate the HD4 Jumper This black jumper is also labeled on the T17 circuit board Step 4 Pull the HD4 Jumper off the two pins it connects DO NOT MAKE ANY OTHER AD
16. ith the rubber duckie type antenna supplied with the T17 T17 TRANSMITTER REAR PANEL Power INPUT JACK Connects to the plug on the wall transformer power supply AUDIO INPUT An RCA type jack for connecting the transmitter to other sound systems Accepts line level unbalanced audio inputs ANTENNA OUTPUT CONNECTOR This connector is defeated as specified by FCC Rules To use a remote antenna contact your dealer or Williams Sound RECEIVER MODEL R7 EAR JACK 3 5 mm mini earphone jack OFF ON INDICATOR LIGHT Red LED which indicates receiver is on when lit If the batteries are near end of life and the LED turns off while the receiver is operating approximately one hour of battery life remains VoiuME ON Orr CONTROL Combination volume and on off rotary control 6 Y Williams Sound Helping People Hear Va i D D D D L l ll s SYSTEM SET UP AND INSTALLATION STEP INSTALL THE ANTENNA The rubber duckie whip antenna fits into the hole on top of the transmitter and threads onto a mounting stud inside Guide the antenna onto the stud and turn it clockwise to tighten Do not use excessive force to tighten the antenna It only needs to be finger tight STEP 2 CONNECT THE TRANSMITIER TO POWER The T17 is supplied with a wall transformer power supply Plug the transformer into a 120 V 60 Hz wall outlet Then plug the power cord into the Power connector on the rear panel of the T17 The green ind
17. ord speaker wires or unshielded inputs all of which can act as antennas Try the following steps 1 Move the Transmitter away from the other sound equipment 2 Make sensitive equipment more immune to RFI EMI The manufacturers of your audio equipment may offer application notes for this purpose Williams Sound offers a document giving suggestions for improving RF immunity in existing audio equipment Technical Bulletin Buzz Or Hum In The Sound System FRM 531 Unless you have the necessary technical skills this is best left to a qualified electronics repair technician Williams Sound 5 Helping People Hear Va ai G b D DG l P l l i li l au T 58 FREQUENCY CHANGE INSTRUCTIONS Normally the PPA VPE s factory set channel usually 72 9 MHz requires no change However if another hearing assistance system or authorized radio service is operating on 72 9 MHZ in your area it may prove necessary to use an alternate channel In this event the PPA VPE s operating frequency can easily be changed to an alternate channel to avoid interference TRANSMITTER FREQUENCY CHANGE INSTRUCTIONS IMPORTANT Some cities have other radio services licensed on hearing assistance channels Under FCC rules governing hearing assistance you must yield to them A list of cities where other radio services are known to exist is included with the transmitter Do not use frequencies that are known to be used by licensed radio services in your city either if t
18. pplies DC power for condenser microphones Antenna Mounting Stud Power Input Jack Top Panel Connects to the plug on the wall For use with the rubber duckie transformer power supply type antenna supplied Fe Antenna Output Connector This connector is defeated as Audio Input specified by FCC Rules To use An RCA type jack for the ANT 005 remote antenna connecting the transmitter to contact your dealer or Williams other sound systems Accepts Sound line level unbalanced audio Made in U S A inputs FiGuRE 3 R7 RECEIVER CONTROLS EAR Charging Jack Volume On Off Control Combination mono 3 5 mm mini Combination volume and on off earphone and charging jack thumb wheel control EAR CHG Off On Indicator Light Red LED which indicates Mm TIT receiver is on when lit wv Williams Sound 5 Helping People Hear Va ai G G b G l l l i l i 8 SYSTEM CONTROLS AND FEATURES T17 TRANSMITTER FRONT PANEL Mic Inpur 3 5 mm mini phone for use with Williams Sound condenser microphones Supplies DC power for condenser microphones LeveL CONTROL Screwdriver adjust control used to set the microphone input level or the audio input level ON INDICATOR LIGHT Glows when power is applied to the transmitter There is no on off switch The T17 is designed to be left on continuously AUDIO INDICATOR LIGHT Flashes when audio signal is present T17 TRANSMITTER TOP PANEL ANTENNA MOUNTING STUD For use w
19. ss may require using the system with a telecoil coupler 1 e Neckloop and personal hearing aid UsiNG A RECEIVER WITH A HEARING AID Williams Sound PPA Receivers can be used with hearing aids using three different methods NECKLOOP TELECOIL COUPLER Neckloops are cords which hang around the neck and couple magnetically with T Coil equipped hearing aids SILHOUETTE TELECOIL COUPLER These telecoil couplers are worn behind the ear right next to telecoil equipped hearing aids Direct Aupio Input DAI Corp Direct Audio Input cords can be used with compatible hearing aids as well as with Cochlear Implant Processors 10 Y Williams Sound Helping People Hear Va ai G D D D D GD D s l i l i 8 BATTERY INFORMATION SINGLE Use BATTERIES In normal use a heavy duty 9 Volt battery such as the Eveready 216 will last about 10 hours Alkaline batteries such as the Eveready 522 will provide about 32 hours of use If the sound becomes weak or distorted replace the battery The indicator light may still be on even with a battery that is weak Do not leave dead batteries in the receivers Battery corrosion is not covered by the Williams Sound five year warranty II WARNING DO NOT ATTEMPT TO RECHARGE SINGLE USE BATTERIES The batteries may heat up and burst causing possible injury and damage to the equipment Avoid shorting the plus and minus battery terminals together with metal objects Battery damage and burns can result
20. system or can be used with a microphone as a stand alone system The system has two principal parts the T17 Transmitter and the R7 Receivers Much like a miniature radio station the Transmitter and microphone pick up the sounds you want to hear and broadcast them over an FM radio signal The receivers are used to pick up the broadcast up to 500 feet away To avoid difficulties please read through these instructions as you begin to use the system Then save the manual for questions that arise as you continue to use your PERSONAL PA Value Pack System If you have any problems with this Williams Sound product don t hesitate to call us toll free at 1 800 843 3544 FIGURE 1 OVERALL SYSTEM DIAGRAM Microphones Sound System Amplifier Loudspeakers N Line Level Input rJ Ex Gl ES R7 R7 A R7 6 Wide band T17 Transmitter Receivers w Earphones 4 wv Williams Sound Helping People Hear Va i G G D G CEqEE l l ll D i S 8 FiGuRE 2 T 7 TRANSMITTER CONTROLS Audio Indicator Light Level Control Flashes when audio signal is Screwdriver adjust control used to present set the microphone input level or the audio input level v Williams Sound V AUditory Assistance Transmitte ON Indicator Light Glows when power is applied to the transmitter There is no Mic Input on off switch The T17 is 3 5 mm mini phone jack for use designed to be left on with Williams Sound condenser continuously microphones Su
21. y further to the correct point which will be much louder Tune back and forth to find the center of the point of best response to the program being heard Step 9 Mark down the date and if a new frequency has been chosen mark it down inside the receiver case for future reference SUGGESTIONS FOR RECEIVER MANAGEMENT Different types of facilities will use different approaches for receiver management and earphone sanitation Below are some options that customers have used successfully Regular users purchase their own receiver and take care of their own batteries and earphone gt Some facilities label the receiver and earphone with the names of regular users so each person uses the same receiver and earphone gt Ushers issue receivers to people who request them Earphones are sanitized after use Foam ear cushions can be replaced or washed with a mild detergent rinsed thoroughly and air dried The EAR 022 Surround Earphone can be sanitized with an alcohol pad gt The receivers can be stored in a multiple compartment storage case with a credit card or driver s license left as collateral for the receiver gt Regular users purchase their own earphone or headphone and bring them to use with receivers at the facility w T 17 V Wiliams Sound Va i W G G D G D D D P C D D E 8 WARRANTY The Williams Sound T17 Transmitter and R7 R7 4 R7 6 and R16 Receivers are engineered and designed to provide you with many years of rel
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