Williams Sound HEARING HELPER TGS PRO 720 Mode d’emploi

HEARING HELPER™Tour Guide System

Wireless, Portable FM Listening System

MANUAL AND USER GUIDE

MAN 122C

Transmitter Model PFM T32 or T31

Receiver Model PPA R35

Model TGS PRO 720

HEARING HELPER™FM TOUR GUIDE SYSTEM, MODEL TGS PRO 720

INSTALLATION GUIDE & USER MANUAL

Contents Page

SYSTEM OVERVIEW 3

SYSTEM COMPONENTS 4

MICROPHONES 4

HEADPHONES & EARPHONES 5

SAFETY INFORMATION 6

RECYCLING INSTRUCTIONS 6

OPERATING INSTRUCTIONS

PFM T32 TRANSMITTER 7

PFM T31 TRANSMITTER 10

PPA R35 RECEIVER 12

BATTERY INFORMATION

BATTERY INSTALLATION 15

RECHARGEABLE & NON-RECHARGEABLE BATTERIES 15

USING OPTIONAL BATTERY CHARGERS 16

HINTS FOR USING THE SYSTEM 18

INCASE OFDIFFICULTY 19

WARRANTY 20

SYSTEM SPECIFICATIONS 21

SYSTEM OVERVIEW

The HEARING HELPER™Tour Guide System is a portable, high-performance, wireless system

composed of the PFM T32 or T31 Transmitter and PPA R35 Receivers and designed for use in

guided tour applications. The system allows one-way transmission of a tour guide’s voice to group

members using an FM radio signal. Using the system helps group members overcome background

noise and distance from the person speaking.

The HEARING HELPER™System can be used for large or small tour groups and in noisy or quiet

environments.

Your HEARING HELPER™Tour Guide System has two principal parts: the transmitter and the

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 and headphones are used to

pick up the broadcast up to 100 meters away.

To avoid difficulties, please read through these instructions as you begin to use the system. Then save

them for questions that arise as you continue to use your system.

If you have problems with the HEARING HELPER™Tour Guide System, don’t hesitate to call

Williams Sound at 1-800-843-3544.

Tour Guide Uses the Body Pack

Transmitter With Microphone

FM Radio Signal

Listeners use Personal Receivers with

Headphones, Earphones, Or Neckloop

The tour guide wears the body-pack transmitter and headset microphone. The guide’s

voice is broadcast as an FM radio signal over a distance of up to 100 meters. Listeners use

the pocket receiver and headphone to hear the speaker’s voice directly, with reduced

background noise. A neckloop telecoil coupler allows the system to be used with telecoil

(T-Switch) equipped hearing aids, at somewhat reduced range.

FIGURE 1: HOW THE TOUR GUIDE SYSTEM WORKS

SYSTEM COMPONENTS

Body Pack Transmitter (PFM T32 or T31) with (2) AA batteries (BAT 001)

Noise-cancelling headband microphone (MIC 086)

(10) Receivers (PPA R35) w/batteries (BAT 001)

Instruction Manual (MAN 122)

System carry case (CCS 030 S)

THE PFM T32 OR T31 TRANSMITTER

The PFM Transmitter is a battery-powered body-pack model used with a microphone to pick up the

tour guide's voice. The transmitter produces an FM radio signal to broadcast the tour guide's voice to

the receiver units. A simple slide switch on top of the transmitter turns the unit on or off. The PPA

Transmitter operates on two AA non-rechargeable alkaline batteries (BAT 001), or two AA

rechargeable NiMH batteries (BAT 026).

MICROPHONES

A noise-cancelling, headband microphone (MIC 086) is the standard microphone. The noise-

cancelling microphone helps to reduce background sounds in noisy environments. The microphone

plugs into the “MIC” jack on top of the Transmitter. The microphone should be positioned directly

in front of the tour guide's mouth to achieve an optimal signal to noise ratio and so that head

movement does not affect the loudness of the signal. The microphone cord acts as the transmitting

antenna.

Optional Microphones

An optional Hearing Protector Headset Microphone (MIC 036) is also available for extremely high

noise environments. It features ear muffs that completely cover both ears and provides 24 dB noise

isolation for hearing protection.

An optional Lapel Clip Microphone can be used in quieter environments like museums or galleries.

The MIC 090 has an omnidirectional pick-up pattern. The MIC 056 has a directional (or cardioid)

pick-up pattern, which will reduce background noise somewhat.

A directional hand-held microphone (MIC 027) is also available for tour guides who prefer to hold

the microphone.

THE PPA R35 RECEIVER

The PPA R35 Receiver is a battery-powered body-pack receiver used with a headphone to hear the

signal produced by the transmitter. The receiver is pre-tuned to the transmitter and has a user-

adjustable volume on/off control, LED power and low battery indicator. The headphone plugs into

the “EAR” jack on top of the Receiver. The PPA R35 Receiver operates on two AA non-

rechargeable alkaline batteries (BAT 001), or two AA rechargeable NiMH batteries (BAT 026).

OPTIONAL HEADPHONES AND EARPHONES

The optional HED 021 Lightweight Headphone is the standard headset for the Tour Guide System. It

offers excellent sound quality and wearing comfort. The foam earpads may be removed and washed in a

mild detergent, rinsed thoroughly, and air dried.

The headphone plugs into the “EAR” jack on top of the Receiver. The headphones are wired with a

mono plug. If a stereo headphone is substituted, it will only work on one side of the headphone.

The HED 008 is a heavy-duty, hearing-protector headset. The HED 008 earmuffs completely cover

the ears and provide 24 dB noise isolation for hearing protection in high noise environments.

The EAR 022 Surround Earphone offers excellent sound quality in a unique style that hangs on the

ear. It is easy to keep clean since the earphone does not enter the ear. It is not recommended for high

noise environments.

The EAR 013 and EAR 014 are single and dual Mini Earphones. The earbud-style features a foam

covering that fits in the outer ear. The foam pads can be removed for cleaning or replacement.

Replacement pads (EAR 015-10) are available.

The stylish HED 026 rear-wear headphone offers excellent sound quality; it rests comfortably over

the ears and wraps around the back of the head for a less obtrusive, relaxed fit.

For order information, contact Williams Sound at 1-800-843-3544.

FIG. 2: EARPHONE / HEADPHONE OPTIONS

HED 008 HED 021 HED 026 EAR 022 EAR 013 EAR 014

CAUTION!

SAFETY INFORMATION

HEARING SAFETY

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:

Make sure the volume is turned down before putting on the earphone or headphone.

Then adjust 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.

Do not allow children or other unauthorized persons access to this product.

BATTERYSAFETY AND DISPOSAL

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:

Beforeusing 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 your physician or the

pacemaker manufacturer.

BATTERYSAFETY 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

the factory 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.

RECYCLING INSTRUCTIONS

10/6/06

Install two (2) AA batteries. If you’re using rechargeable batteries, they must be charged before using.

2. Plug the microphone cord into the “Mic” jack on top of the transmitter.

3. Place the transmitter in the belt clip case provided.

4. Slide the Power Switch on top of the transmitter to “On.” The Power ON LED indicator should

illuminate Red.

5. The microphone should be placed as close to the speaker’s mouth as is practical. For lapel mics,

attach the microphone to a collar, lapel, or tie.

When you are ready to speak, turn the Mic Mute Switch (speaker icon) to the “On” position. When you

are done speaking, mute the mic by turning the Mute Switch to the “Off” position (speaker icon with line

through it).

The transmitter can be placed in a pants pocket, or clipped onto a belt or waistband.

Note On The Transmitter Antenna:

The microphone cord is the transmitting antenna. Do not bunch up the cord or wrap it

around the transmitter. For maximum range, the cord should hang as straight as possible.

USING THE PFM T32 TRANSMITTER

FIGURE 3: T32 TOP VIEW

CHANGING THE PFM T32 FREQUENCY

FIG. 4: PFM T32 FREQUENCY CHANGE

By default, the T32’s frequency is to set 75.7 MHz (Channel G). If you experience FM interference, or

if you need to match a receiver’s frequency, it may be necessary to adjust the frequency on the T32.

Instructions:

1. Open the battery compartment using a coin in the slot in the bottom of the transmitter. Remove the

batteries.

2. Lift the battery compartment door up and pull to your left to expose the circuit board.

3. Refer to FIG 4 to locate the Channel Switch.

4. Use a small screwdriver to rotate the Channel Switch to correspond with the desired operating

frequency. Choose between 16 standard channels. Refer to the Channel Selection Chart in FIG 4 for

available channels.

5. Reinstall the batteries, then close the back of the transmitter.

6. Plug the microphone in and turn the transmitter on to provide a tuning signal for the receivers.

Important: Make sure all receivers being used match the frequency of the transmitter. Refer to the

receiver’s instruction manual for frequency change instructions.

Gain Control Adjustment

If necessary, the microphone gain control on the T32

can be increased or decreased to meet the demands of

specific listening applications.

Instructions:

1. Open the battery compartment using a coin in the

slot in the bottom of the transmitter. Remove the

batteries.

2. Lift the battery compartment door up and pull to

your left to expose the circuit board.

3. Refer to FIG 5 to locate the microphone gain

control.

4. Using a small screwdriver, turn the gain control

fully counterclockwise to reduce the gain. Turn the

gain control fully clockwise to increase the gain

5. Close the back of the case and battery door.

COMPRESSION ADJUSTMENT

By default, the T32 transmitter compression jumper is set to “Off” for normal operation, or 1:1 compression.

For hearing assistance applications, the compression jumper can be set to “On” for 2:1 compression.

Instructions:

Open the battery compartment using a coin in the slot in the bottom of the transmitter. Remove the batteries.

2. Lift the battery compartment door up and pull to your left to expose the circuit board.

3. Refer to FIG 5 to locate the Compression Selector.

4. Gently remove the jumper from the circuit board by pulling it up and away from the unit. You will see three

exposed “pins.”

To turn compression “On” (2:1 Compression): Press jumper on to the top twopin locations as shown on

left.

To turn compression “Off” (1:1 Compression): Press jumper on to the bottom twopin locations as

shown on left.

5. Close the back of the case and battery door.

ADVANCED FEATURES ON THE PFM T32

FIG. 5: T32 ADVANCED FEATURES

USING THE PFM T31 TRANSMITTER

Note: Before you begin, make sure you have AA Alkaline batteries installed in the transmitter.

See Battery Information on page 15.

1. Plug the microphone into the “mic” jack on top of the transmitter.

2. Turn the power on: Place the FM switch to the “On” position.

3. Position the microphone as close to the speaker’s mouth as practical.

4. When you are ready to speak, turn the Mic Mute Switch to the “On” position. When you are done

speaking, mute the mic by turning the switch to the “Off” position. This will eliminate any

unwanted noise as a result of the transmitter being on.

5. Remember to turn the transmitter off when you are done using it: Turn the “FM” switch to the

“Off” position.

Note On The Transmitter Antenna:

The microphone cord is the transmitting antenna. Do not bunch up the cord, wrap it tightly around your

body, or wrap it around the transmitter. For maximum range, the cord should hang as straight as

possible. The transmitter can be placed in a pants pocket, or clipped onto a belt or waistband. Make

sure the transmitter is turned OFF when not in use.

Mic

Williams Sound FM

Off On

On/Off Switch

Mic Jack

Mic

Mic Mute Switch

FIG. 6: PFM T31 TRANSMITTER TOP VIEW

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