Williams Sound Personal PA PPA T35 Скачать руководство пользователя | Manualshive

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A

VOIDING

H

UM IN THE

A

UDIO

(

AS A

R

ESULT OF A

G

ROUND

L

OOP

)

A hum created by a ground loop can often be eliminated by connecting a capacitor in series with the audio
line shield to the transmitter’s ground. This method also maintains good RF shielding. Determining the
effectiveness of this method for your installation usually requires some experimentation. See Figure 7.

C

ONNECTING THE

T35

TO A

R

ECORDING

D

EVICE

Use the Audio Line Out jack for monitoring, recording, or routing processed audio to another sound system.

Williams Sound

®

Helping People Hear

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
Connecting to a

Balanced

Line

F

IG

. 7: C

ONNECTING TO A

B

ALANCE

/U

NBALANCED

L

INE

F

IG

. 8: A

UDIO

L

INE

O

UTPUT

Audio Line Out

Audio Line In

Recording Device

PPA T35

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Содержание Personal PA PPA T35

Страница 1: ...lliams Sound Helping People Hear PERSONAL PA T35 Transmitter Wireless FM Listening System Transmitter Model PPA T35 Optional Receiver Models PPA R7 R7 4 R19 R19 6 R35 R35 8 MANUAL AND USER GUIDE MAN 110 G ...

Страница 2: ......

Страница 3: ...PS 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 WIDEBAND OPTIONS 23 FREQUENCY CHANGE INSTRUCTIONS 24 NARROWBAN...

Страница 4: ...e then broadcasted over an FM radio signal FM receivers are worn by the listener The broadcast can be picked up from up to 500 feet away This allows the listener to sit anywhere in the audience and listen to the broadcast as loud as needed without disturbing anyone else Please read through this manual carefully It includes important setup procedures and guidelines for proper operation If at any ti...

Страница 5: ... 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 or LINE When the desired audio input is displayed press the Set button to save the change into memory Lastly connect the audio source to the audio input jack in the rear of th...

Страница 6: ...ximum performance extend the ANT 025 antenna to its max height of 39 For operating the T35 in remote locations a coaxial antenna ANT 005 or Wall Mount Dipole antenna ANT 024 can be installed The external antenna jack is located at the rear of the T35 transmitter Figure 4 The external antenna impedance is 75 ohms þ REMOTE ANTENNA TIPS Position the ANT 005 or ANT 024 antenna so the elements are vert...

Страница 7: ...Line on 1 4 inch jack WARNING The T35 is not designed to accept 70 volt speaker wire This may result in damage to your system The sound source should come directly from the system mixer or amplifier as an unprocessed signal NOTE If using a Williams Sound MIC 044 headset microphone with a 3 5mm plug you MUST use it with a WCA 083 electret adapter The T35 will not supply simplex phantom power throug...

Страница 8: ... is desired in the 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...

Страница 9: ...perimentation 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 Williams Sound Helping People Hear 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 Connecting to ...

Страница 10: ...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 Level button increases the audio input level in 5dB steps Pressing or holding down the audio level button decreases the audio in...

Страница 11: ...r 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 not fully functional the transmitter will stay on the start up screen and ...

Страница 12: ...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 Digital Frequency Synthesized Power Power Phones Phones Source Source Volume Audio Level Input Input Overload On Air On Air 9 9 6 6 3 3 0 0 3 3 6 6 9 9 12 12 15 15 18 18 PPA T35 Set Default Audio Source High Pass Filter Low Pass Filter Compr...

Страница 13: ...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 configurations can ...

Страница 14: ...vailable 72 025 72 050 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...

Страница 15: ...high pass filter 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 frequ...

Страница 16: ...ening 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 0 1 1 1 1 1 2 1 1 3 1 1 4 1 1 5 1 1 6 1 1 8 1 2 0 1 2 2 1 2 5 1 3 0 1 3 5 1 4 0 1 4 5 1 5 0 1 5 5 1 6 0 1 NOTE The T35 is shipped from the factory at a 1 0 1 compression ratio no compression To select a compres...

Страница 17: ...cess 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 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 display NOTE The installer must take care in using compression Adding too...

Страница 18: ...overloading the receiver 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...

Страница 19: ...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 guidelines established...

Страница 20: ... will illuminate RED to indicate low battery CONNECTING EARPHONES Plug the earphone into the EAR jack on the top of the unit Only monophonic earphones will operate 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 receiver we can only assure optimum perform ance when Williams Sound earphones and he...

Страница 21: ...n top of the unit will flash to indicate low battery CONNECTING EARPHONES Plug the earphone into the EAR jack on the top of the unit Only monophonic earphones will operate 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 earphon...

Страница 22: ...use TO REMOVE 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 or EARPAD CLEANING FOR PPA R35 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 ...

Страница 23: ...EBAND RECEIVER OPTIONS MODEL PPA R7 4 The R7 4 is a four channel wide band receiver pre tuned to frequencies 72 1 72 5 72 9 and 75 7 MHz It features a channel select knob volume control on off switch and an earphone charging jack To operate simply turn the select knob to the desired frequency and adjust the volume control to a comfortable listening level FIG 17 Additional channels are available fr...

Страница 24: ...too close to the transmitter with a strong signal the most accurate tuning of the receiver is not possible To Change 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 tunin...

Страница 25: ...ew frequency has been chosen mark it down inside the receiver case for future reference NARROWBAND FM RECEIVERS OPTIONAL RECEIVER MODEL PPA R19 The R19 is a two channel narrowband receiver operating on 72 900 and 75 700 MHz frequencies It features volume control on off switch channel selection switch earphone jack tone control selection switch and on off power indicator NOTE The R19 and R19 6 narr...

Страница 26: ...e receiver Choose an operating frequency by sliding the channel selection switch to position 1 72 900 MHz or position 2 75 700 MHz Turn the volume control knob clockwise until the audio is at a comfortable listening level Adjust the tone controls as needed by sliding the tone selection switch to low mid or high When you re done using the receiver be sure to turn off the unit This will help extend ...

Страница 27: ...ES DO NOT ATTEMPT TO RECHARGE DISPOSABLE BATTERIES These batteries may heat up and explode 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 Use only Williams Sound supplied chargers and rechargeable batteries Model Battery Life Battery Type R7 4 Alkaline 9V Batteries BAT 002 32 ho...

Страница 28: ...Source control 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 h...

Страница 29: ...t solve the problem try operating 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 ...

Страница 30: ...d to the equipment 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 ...

Страница 31: ...N HAS ANY AUTHORITY 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...

Страница 32: ...se 22 16000 Hz 1 3 dB adjustable Signal to Noise Ratio 74dB transmitted 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 TR...

Страница 33: ...attery Type Two 2 AA non rechargeable alkaline batteries BAT 001 approx 50 hrs battery life or Two 2 AA rechargeable NiMH batteries BAT 026 1400 mAh approx 32 hrs battery life Current Consumption Nominal 40 mA FCC ID Self Declared Not Applicable Industry Canada 1360A R358 Operating Freq 8 channels 72 1 72 3 72 6 72 8 74 7 75 4 75 7 or 75 9 MHz All channels not available on the PPA T20 Transmitter ...

Страница 34: ...termediate Freq 75 kHz FM Deviation 75 kHz De Emphasis 75 µS AFC Range 300 kHz Sensitivity 2 µV at 12 dB Sinad with squelch defeated Input Overload 20 mV Squelch Squelches at 10 µV for minimum 50 dB S N ratio Frequency Response 100 10 kHz 3 dB Signal to Noise Ratio 65 dB at strong signal condition Receive Antenna Integral with earphone headphone cord Audio Output 250 mW max at 16 Ohms Output Conne...

Страница 35: ...r frequency changing instructions Intermediate Freqs 10 7 MHz 455 kHz FCC ID CNMR19 Earphone Earbud type with foam cushion 3 5 mm plug 32 Ω Output Connector 3 5 mm mini phone jack FM Deviation Narrow band 5 kHz De Emphasis 300 µS Sensitivity 0 7 µV at 12 dB Sinad Squelch Level 4 µV for minimum 40 dB S N ratio Frequency Response 100 5 kHz 3 dB Tone Lo Receiver Antenna Integral with earphone cord Si...

Страница 36: ...MAN 110G 2005 Williams Sound Corp Williams Sound Corp 10321 West 70th St Eden Prairie MN 55344 U S A 800 843 3544 952 943 2252 FAX 952 943 2174 ...

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