Williams Sound PPA VP 37 Guida

Model PPA VP 37

Wide-Band FM Wireless Listening System

Manual and User Guide

Transmitter Model PPA T27

Receiver Model PPA R37

Optional Receiver Model PPA R38, PPA R37-8

MAN 159E

Model PPA VP 37 Wide-Band FM Wireless Listening System

Contents

System Overview......................................................................................3

Setting Up the PPA VP 37 ........................................................................4

Receiver Safety Information ......................................................................6

Recycling Instructions...............................................................................7

Receiver Model PPA R37 Instructions.......................................................8

Receiver Model PPA R37-8 (optional) Instructions ..................................10

Receiver Model PPA R38 (optional) Instructions......................................13

Channel Selection Chart..................................................................14

Belt Clip Installation (all Receiver models)................................................16

Using A Receiver With A Hearing Aid......................................................17

Receiver Management Suggestions .......................................................17

Receiver Battery Information...................................................................18

Troubleshooting Guide............................................................................19

Personal PA Value Pack System Specications.......................................21

PERSONAL PA Transmitter Model T27............................................21

PPA Select™ Receiver (Model PPA R37) .........................................22

Personal PA Receiver (Model PPA R37-8)........................................23

Personal PA Receiver (Model PPA R38)...........................................24

Lifetime Limited Warranty .......................................................................26

Repair Services ......................................................................................27

Model PPA VP 37 Wide-Band FM Wireless Listening System

System Overview

Thank you for purchasing the Personal PA Value Pack System from Williams

Sound. The PPA VP 37 System is a Wideband FM Listening System which

operates in the 72-76 MHz frequency band. Designed for hearing assistance

in places of public access, the PPA VP 37 is for those who need help

overcoming background noise, reverberation, or distance from the sound

source. The versatile PPA VP 37 is easily integrated with your existing sound

system or can be used with a microphone as a stand-alone system.

The system has two principal parts: the T27 Transmitter and the PPA

R37 Receiver. 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

1000 feet (305 m).

To avoid diculties, 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, please call us

toll-free at 1-800-843-3544.

Figure 1: Overall System Diagram

LOUDSPEAKER

LINE-LEVEL OUTPUT

LINE-LEVEL INPUT

SOUND SYSTEM

AMPLIFIER

MICROPHONES

PPA T27 TRANSMITTER

PPA SELECT™ RECEIVERS

WITH EARPHONES

A184

Model PPA VP 37 Wide-Band FM Wireless Listening System

Setting Up the PPA VP 37

Figure 2: PPA T27 Features and Controls

A183

MIC INPUT

JACK, 3.5 MM

AUDIO LEVEL

INDICATOR

AUDIO LEVEL

CONTROL

FREQUENCY

DISPLAY (LED)

FREQUENCY

SELECTOR

LOCK/UNLOCK

CONTROL

12VAC POWER

INPUT JACK

75 OHMS ANTENNA CONNECTOR

AUDIO INPUT JACK, RCA-TYPE

(LINE LEVEL,UNBALANCED)

Model PPA VP 37 Wide-Band FM Wireless Listening System

1. Select Location. Position the PPA T27 transmitter near the audio source

(i.e. sound system, mixer) from which it will receive audio.

2. Install the Antenna. Gently thread the ANT 021 rubber duckie antenna

onto the stud recessed in the hole on the top of the transmitter. FCC

rules allow only the use of antennas provided by Williams Sound. To use

a remote antenna supplied by Williams Sound, the antenna cap may be

removed by turning it counter-clockwise with a pliers or wrench. Please

call customer service 800.843.3544 if you have any questions.

3. Connect the Power. Locate the TFP 036 power supply cord equipped

with the 5-pin DIN connector, then plug the connector into the “Power

In” jack located in the back of the T27. Plug the power supply into the

AC outlet. On power up, the number “8” will scroll across the T27 display

while the system initializes. The system will then display the default

system frequency (72.9 MHz) or the last selected frequency set by the

user.

4. Select the Frequency. The T27 has 17 available channels in the 72-76

MHz band. By default, the T27 frequency is set to 72.9 MHz. To change

the frequency on the T27, press and release the down “ ” or up “

” frequency selector button until the desired frequency is displayed. After

3 seconds, the frequency selection will be set, and the audio will begin

transmitting on the new frequency.

NOTE: You can LOCK this selection to prevent others from accidently

changing the frequency.

To LOCK the desired frequency, press and hold both down “ ” and up

“ ” frequency selector buttons for 3 seconds until the word “Loc” appears

on the display. The frequency is now locked. Should the user press the

frequency selector button while in “Lock” mode, the word “Loc” will be

displayed for 2 seconds.

To UNLOCK the desired frequency, press and hold both down “ ” and up

“ ” frequency selector buttons for 3 seconds until the transmitter displays

”Un” then “Loc” on the display. The frequency is now unlocked. The user is

now free to change the frequency on the T27 as needed

5. Connect the Audio Source. On the back of the T27, an RCA-type

“Audio In” jack is available for connecting a line-level, unbalanced audio

source. On the front of the T27, a 3.5 mm “Mic Input” jack is available

to connect a Williams Sound electret microphone. Connect the desired

audio source to the T27 transmitter and proceed to step 6.

Model PPA VP 37 Wide-Band FM Wireless Listening System

6. Adjusting the Audio Source. With the audio source playing, use a small

screwdriver or tuning wand to rotate the “Adjust” control on the front of

the T27:1) clockwise to increase the audio level; or 2) counterclockwise to

decrease the audio level. Refer to the audio “Level” indicator LED on the

front of the T27 as you make your adjustments:

Audio Level Indicator LED

Never On = Audio source is TOO LOW.

Blinks occasionally = Audio source is OPTIMAL.

Always on = Audio source is TOO HIGH.

7. Listen with an FM Receiver.

IMPORTANT: The FM receiver being used with the T27 transmitter will

need to be on the same frequency as the transmitter.

Install the receiver batteries, plug in the earphone, turn on the receiver

and walk around the listening area. The signal should be clear and quite

loud when the volume is turned up. See pages 10-13 for detailed receiver

instructions.

Receiver Safety Information

HEARING SAFETY:

CAUTION!

The receiver 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.

2. Set the volume level at the minimum setting that you

need to hear.

3. If you experience feedback (a squealing or howling sound), reduce the

volume setting and move the microphone away from the earphone or

headphone.

Model PPA VP 37 Wide-Band FM Wireless Listening System

4. Do not allow children or other unauthorized persons to have access to

this product.

BATTERY SAFETY AND DISPOSAL:

CAUTION!

The receiver may be supplied with alkaline batteries. Do not attempt

to recharge alkaline batteries, which may explode, release dangerous

chemicals, cause burns, or other serious harm to the user or product.

PACEMAKER SAFETY:

CAUTION!

1. Before using the receiver with a pacemaker or other medical device,

consult your physician or the manufacturer of your pacemaker or other

medical device.

2. If you have a pacemaker or other medical device, make sure that you are

using this product in accordance with safety guidelines established by

your physician or the pacemaker manufacturer.

Recycling Instructions

Help Williams Sound protect the environment! Please take the time to

dispose of your equipment properly.

Product Recycling

Please do NOT dispose of your Williams Sound equipment in the

household trash. Please take the equipment to an electronics recycling

center; OR, return the product to the factory for proper disposal.

Battery Recycling

Please do NOT dispose of used batteries in the household trash. Please

take the batteries to a retail or community collection point for recycling.

Model PPA VP 37 Wide-Band FM Wireless Listening System

Receiver Model PPA R37 Instructions

PPA R37 is a 17-channel receiver operating on the 72-76 MHz bandwidth.

Features: seek-button channel selection, channel-lock capability, battery-

saving sleep mode, on/o volume control, power/low battery indicator,

stereo/mono earphone jack.

Figure 3: PPA R37 Controls

ON/OFF, VOLUME

CONTROL SWITCH

EARPHONE

JACK

"ON" / LOW BATTERY/

FLASH CODE INDICATOR

OFF

A116

Operating the Receiver

1. Insert two (2) AA batteries ensuring correct polarity. If rechargeable NiMH

batteries are to be used, make sure the Alkaline/NiMH switch inside the

battery compartment is set to NiMH before charging. See Figure 4.

2. Insert headphone, earphone or neckloop into the stereo output jack.

3. Turn receiver on by turning up the volume control. The green power LED

will blink and then stay on continuously.

4. Set receiver frequency to match transmitter frequency. Press the Channel

Seek button inside the battery compartment once to seek an active

transmitter. See Figure 4. If more than one transmitter is being used, you

will need to 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 o.

5. To lock or unlock a selected channel, turn the power o. While holding the

Model PPA VP 37 Wide-Band FM Wireless Listening System

seek button, turn the power back on. When locked,the receiver will remain

on the current channel, regardless of channel seek button presses.

LED Flash Codes

Light Code Indicates Description

1 blink Channel locked Seek press remains on current channel

2 blinks Channel unlocked See press tunes to next channel present

Figure 4: Battery and Channel Selections

ALKALINE/

NiMH SWITCH

CHANNEL

SEEK BUTTON

–

Channel

Seek

A117

3 blinks Channel unlocked; no other

channels present

Seek press attempts to nd another

channel

On-O-

On-O...

(continuous)

Batteries are low Batteries need to be replaced or

recharged

Fade-on,

Fade-o...

(continuous)

No transmitter present on current

channel

Sleep/Power Save mode (extends

battery life)

Model PPA VP 37 Wide-Band FM Wireless Listening System

Receiver Model PPA R37-8 (optional) Instructions

The PPA R37-8 is an eight channel receiver, operating on 72-76 MHz

bandwidth. It features a channel selection knob, on/o volume control, LED

power and low battery indicator, and an earphone jack (See Figure 5).

Figure 5: PPA R37-8 Controls

Battery Installation

Install two (2) AA alkaline or NiMH rechargeable batteries. Open the battery

compartment by lifting the tab on the back of the receiver with a nger. To

remove depleted batteries, pull up on the fabric strip. IMPORTANT: If Alkaline

(or non-rechargeable) batteries are being installed, slide the battery selection

switch above the battery compartment to the “Alkaline” position. If installing

A565

ON/OFF, VOLUME

CONTROL DIAL

HEADPHONE

JACK

"ON"/LOW

BATTERY

INDICATOR

CHANNEL

SELECTOR

KNOB

OFF

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