Williams Sound PPA R35-8 Manual And User Manual Download Page 1

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PERSONAL PA

T35 Transmitter

Wireless FM Listening System

Transmitter Model PPA T35

Optional Receiver Models PPA R37, PPA R35-8

ANUAL AND

SER

UIDE

MAN 110Q

Summary of Contents for PPA R35-8

Page 1: ...PERSONAL PA T35 Transmitter Wireless FM Listening System Transmitter Model PPA T35 Optional Receiver Models PPA R37 PPA R35 8 MANUAL AND USER GUIDE MAN 110Q ...

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Page 3: ...O SOURCE FOR THE HEARING IMPAIRED 8 AVOIDING GROUND LOOPS 9 CONNECTING TO A RECORDING DEVICE 9 CONTROLS AND FEATURES 10 FRONT PANEL CONTROLS 10 LCD SCREEN MENUS 12 APPLICATION PRESETS 13 BANDWIDTH 14 FREQUENCY 14 AUDIO SOURCE 15 HIGH PASS FILTER 15 LOW PASS FILTER 16 COMPRESSOR SLOPE 16 COMPRESSOR GAIN 17 RF OUTPUT 18 SAFETY INFORMATION 19 RECYCLING INSTRUCTIONS 19 RECEIVER INSTRUCTIONS 20 RECEIVE...

Page 4: ...tes much like an FM radio station The transmitter picks up the live audio directly from a microphone or sound system Those sounds are then broadcasted over an FM radio signal FM receivers are worn by the listener The broadcast can be picked up from up to 1000 feet away This allows the listener to sit anywhere in the audience and listen to the broadcast as loud as needed without disturbing anyone e...

Page 5: ...rom the factory in wideband mode with the fre quency set to 72 900 MHz To change the frequency or bandwidth on the T35 refer to the instructions on page 14 STEP 6 Configure the T35 for the appropriate audio source Using the menu con trol buttons on the front of the T35 Figure 2 press the button to access the Audio Source LCD screen Using the and menu buttons Figure 2 choose between MIC SIMPLEX MIC...

Page 6: ...emote antenna see following section The PPA T35 is shipped standard with a single ANT 025 whip antenna The ANT 025 threads on to a stud recessed in a hole on the top of the transmitter Screw the antenna clockwise until the connec tion is secure Figure 4 Do not use excessive force to tighten the antenna The antenna length must NOT exceed 28 inches when fully extended It was found during test that t...

Page 7: ...4 inch jack 4 Balanced Unbalanced Line on a 3 pin XLR connector 5 Balanced Unbalanced Line on 1 4 inch jack WARNING The T35 is not designed to accept 70 volt speaker signals This may result in damage to your system The sound source should come directly from the system mixer or amplifier as an unprocessed signal IMPORTANT When a suitable audio source has been selected you MUST configure the audio s...

Page 8: ... audio refer to page 16 17 for features and controls Excessive compression is not helpful to the hearing impaired and can contribute to excessive noise in the receiver outputs The T35 audio source signal is usually connected to a mixer s line output signal which is behind the mixer s parametric equalizers but ahead of any equalization used for house loudspeakers If audio delay is available for use...

Page 9: ...r your installation usually requires some experimentation See Figure 7 CONNECTING THE T35 TO A RECORDING DEVICE Use the Audio Line Out jack for monitoring recording or routing processed audio to another sound system 9 01 uF Ceramic Disc Capacitor In Phase 3 Pin Connector 01 uF Ceramic Disc Capacitor 1 2 3 Breaking A Ground Loop when Connecting to a Unbalanced Line Breaking A Ground Loop when Conne...

Page 10: ...ce of the audio coming in to the T35 needs to be adjusted to correct this NOTE Direct Access Buttons Figure 9 allow the user to change configurations on the transmitter immediately without having to scroll through the menu controls Page 12 When a direct access button is pressed the change is immediately displayed on the LCD Menu Display AUDIO LEVEL DIRECT ACCESS Pressing or holding down the Audio ...

Page 11: ...reen as the buttons are pressed If there is no further action by the user after five seconds the LCD menu screen will return to the default display Figure 10 LCD MENU DISPLAY The LCD display is used with the menu control buttons for configuring and setting up the T35 When the power of the unit is first turned on the LCD screen displays a Williams Sound start up screen NOTE If the transmitter is no...

Page 12: ...e used to configure and setup the T35 To make a screen selection navigate to the desired LCD menu by press ing the down button on the front of the T35 Press the Set button to save the change into memory Any changes not set will be lost After 30 seconds of inactivity the LCD will return to the default display FIG 11 SELECTING AN LCD MENU ...

Page 13: ...enu buttons to select between Hearing Assist Music and Voice 3 When the desired Application Preset is displayed press the Set button to save the change into memory No additional action is necessary After 30 seconds of inactivity the LCD screen will return to the default screen where the selected Application Preset will be displayed NOTE After an Application Preset has been selected any of the conf...

Page 14: ... 050 72 075 72 100 72 125 72 150 72 175 72 200 72 225 72 250 72 275 72 300 72 325 72 350 72 375 72 400 72 425 72 450 72 475 72 500 72 525 72 550 72 575 72 600 72 625 72 650 72 675 72 700 72 725 72 750 72 775 72 800 72 825 72 850 72 875 72 900 72 925 72 950 72 975 74 625 74 650 74 675 74 700 74 725 74 750 74 775 75 225 75 250 75 275 75 300 75 325 75 350 75 375 75 400 75 425 75 450 75 475 75 500 75 ...

Page 15: ...will help to remove low frequency noise from the transmitted audio signal This is typically used when there is room noise a line hum or breath accents picked up from an improperly installed microphone To select a High Pass Filter cutoff frequency 1 Press the down menu button Figure 12 to select the LCD High Pass Filter M5 screen 2 Press the menu button to increase the cutoff frequency Each time th...

Page 16: ...e quiet sounds of an audio broadcast compression will boost the quiet sounds to louder listening levels For listening to music programs concerts etc lower compression ratios or no compression is generally used The Compressor Slope has the following selectable compression ratios 1 1 and 2 1 NOTE The T35 is shipped from the factory at a 1 1 compression ratio no compression To select a compression ra...

Page 17: ... as music concerts etc In this case compression can be turned off by setting the compression slope to 1 1 NOTE The T35 is shipped from the factory in the Reduced mode To select Reduced or Normal Compression 1 Press the menu button Figure 12 to access the LCD Compressor Gain M8 screen 2 Press the or menu buttons to select between Reduced and Normal compressor gain 3 When the desired compressor gain...

Page 18: ...eceiver or 3 Multiple T35 transmitters are used in adjacent classrooms where the FM signals overlap each other In these cases the power level on the T35 can be reduced to MEDI UM or LOW The RF output may be set to OFF AIR no power to help troubleshoot interfering or overlapping RF signals To select a power level 1 Press the menu button Figure 12 to access the RF Output M9 screen 2 Press the and me...

Page 19: ...le batteries which may explode release dangerous chemicals cause burns or other serious harm to the user or product PACEMAKER SAFETY 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...

Page 20: ...ctive transmitter See FIG A If more than one transmitter is being used push the seek button additional times until you locate the signal you want to hear The receiver will retain the channel setting when the unit is turned off 5 To lock or unlock a selected channel turn the power off While holding the seek button turn the power back on LED FLASH CODES On Off Volume Switch Earphone Jack On Indicato...

Page 21: ...to indicate low battery CONNECTING EARPHONES Plug the earphone into the EAR jack on the top of the unit Only monophonic earphones will oper ate properly If stereo headphones are used sound will be heard only in one side Williams Sound evaluates each earphone and headphone used with the PPA R35 8 receiver we can only assure optimum performance when Williams Sound earphones and headphones are used O...

Page 22: ... Turn the belt clip 180º so the edge points toward the top of the unit as shown in figure 16b Gently pull the belt clip away from the unit to remove FIGURE 16B FIGURE 16A EARPAD CLEANING FOR PPA R37 AND PPA R35 8 Do not immerse the earphone in water or other cleaning agent Foam pads may be removed and washed with a mild laundry soap solution rinsed thoroughly and air dried You may also opt to purc...

Page 23: ...ator light may remain on even with a battery that is weak Do not leave dead batteries in the receivers The chart below shows typical battery life with Williams Sound s 72 76 MHz receivers IMPORTANT WARNINGS DO NOT ATTEMPT TO RECHARGE ZINC CARBON HEAVY DUTY ALKALINE OR LITHIUM BATTERIES DO NOT ATTEMPT TO RECHARGE DISPOSABLE BATTERIES These batteries may heat up and explode causing possible injury a...

Page 24: ... menu þ Check to see if the Audio Input level is set too high If the input overload is illuminated then the audio level needs to be adjusted See page 10 þ Check for ground loops or noise on the input signal See page 9 for more information Call your Authorized Williams Sound dealer or representative NOISE IN AUDIO GROWS WHEN PROGRAM IS SILENT þ The Audio Level Control may be set too high You re pro...

Page 25: ...g the transmitter on a different frequency If operating the T35 in wideband mode try switching to narrow band operation see page 14 Narrowband operation is more resistant to outside interference USERS MUST TURN RECEIVER VOLUME CONTROLS WAY UP TO 4 OR 5 TO GET ENOUGH VOLUME þ Perhaps there is insufficient audio level If so the audio level indicator will read too low because the audio level control ...

Page 26: ...t cabinet rails Buzz hum in system may be experienced when the T35 chassis is insufficiently grounded In this case install a ground wire to the T35 chassis and terminate to a known good ground source 2 Make sure antenna connections are secure 3 Set the T35 Transmitter to MEDIUM power output on the RF Power menu choice 4 Install transmitter at a distance from sensitive equipment 5 Use a remote ante...

Page 27: ...RITY TO BIND WILLIAMS SOUND TO ANY REPRESENTATION OR WARRANTY WITH RESPECT TO THE PERSONAL PA TRANSMITTER UNAUTHORIZED REPAIRS OR MODI FICATIONS WILL VOID THE WARRANTY The exclusions and limitations set out above are not intended to and should not be construed so as to con travene mandatory provisions of applicable law If any part or term of this Disclaimer of Warranty is held to be illegal unenfo...

Page 28: ...ed Audio Level Control Push button audio level controls adjustable to 0 to 50dB Audio Level Indicators 10 LED array that reads 9 to 18 at 3dB intervals Power On Indicator Green LED indicates power on Phones Output Mono signal 1 4 TRS stereo jack 67mW maximum in 50 ohms adjustable 0 to 40dB Audio Input Combination 3 pin XLR 1 4 TRS jack Line Output RCA jack 10dBV 32VRMS output impedance 100 Ω LCD M...

Page 29: ...t any interference including interference that may cause undesired operation of the device This device complies with ICES 003 class B Test data is available from the manufacturer on request Personal PA Receiver Model PPA R35 8 Dimensions 4 5 H x 2 85 W x 1 2 D 115 mm x 72 mm x 30 mm Weight 4 6 oz 130 g Color Black Battery Type Two 2 AA non rechargeable alkaline batteries BAT 001 approx 50 hrs batt...

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Page 32: ...MAN 110Q 2011 Williams Sound LLC ...

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