Williams Sound TGS 300 Guide

Williams Sound ®

Helping People Hear

FM TOUR GUIDE SYSTEM

Model TGS 300

MANUAL AND USER GUIDE

MAN 118B

Transmitter Model PFM T31

Receiver Model TGS R30

Williams Sound ®

Helping People Hear

FM TOUR GUIDE SYSTEM, MODEL TGS 100

INSTALLATION GUIDE & USER MANUAL

Contents Page

System Overview 4

System Components 5

PFM T31 Transmitter

Microphones

TGS R30 Receiver

Headphones & Earphones

Safety Information 6

Recycling Instructions 7

Operating Instructions 7

PFM T31 Transmitter

TGS R30 Receiver

Hints for Using the System

Battery Information 11

Battery Installation

Rechargeable & Non-rechargeable Batteries

Using Optional Battery Chargers

In Case Of Difficulty 14

Warranty 15

System Specifications 16

Williams Sound ®

Helping People Hear

Tour Guide Uses the Body Pack

Transmitter With Microphone

FM Radio Signal

Listeners use Personal Receivers with 

Earphones, Headphones, 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.

SYSTEM OVERVIEW

The FM Tour Guide System is a portable, high-performance, wireless system composed of the

PFM T31 Transmitter and TGS R30 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 FM System can be used for large or small tour groups and in noisy or quiet environments.

Your FM 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 FM Tour Guide System, don’t hesitate to call Williams Sound at

1-800-843-3544.

Williams Sound ®

Helping People Hear

SYSTEM COMPONENTS

þBody Pack Transmitter (PFM T31) with (2) AA batteries (BAT 001)

þNoise-cancelling headband microphone (MIC 086)

þ(6) Personal FM Receivers (TGS R30) w/batteries (BAT 001)

and headphones (HED 021)

þBelt clip cases (CCS 001)

þInstruction Manual

þSystem carry case (CCS 030 S)

THE PFM T31 TRANSMITTER

The PFM T31 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 PFM T31 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-can-

celling 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 move-

ment does not affect the loudness of the signal. The microphone cord acts as the transmitting anten-

na.

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.

A small hand-held microphone (MIC 026) is also available for tour guides who prefer to hold the

microphone.

THE TGS R30 RECEIVER

The TGS R30 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 control. The headphone plugs into the “EAR” jack on top of the Receiver.

The receiver is turned on by rotating the volume control wheel. The TGS R30 Receiver operates

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

batteries (BAT 026).

Williams Sound ®

Helping People Hear

EARPHONE / HEADPHONE OPTIONS

HED 008 HED021 HED 026 EAR 022 EAR 013 EAR 014

HEADPHONES AND EARPHONES

The 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. Replacement pads (HED 013) are available.

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.

OPTIONAL HEADPHONES AND EARPHONES

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.

Williams Sound ®

Helping People Hear

CAUTION!

SAFETY INFORMATION

HEARING SAFETY

This product is designed to amplify sounds to a high volume level which could poten-

tially cause hearing damage if used improperly. To protect your hearing and the hear-

ing of others:

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

adjusting 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 to have 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

8/18/05

Williams Sound ®

Helping People Hear

OPERATING INSTRUCTIONS

USING THE PFM T31 TRANSMITTER

Instructions:

Before you begin, make sure you have AA Alkaline batteries installed in the transmitter. See Battery

Information, page 11.

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.

Note: The microphone cord is also the transmitting antenna. For maximum range, make sure the microphone

cord is hanging as straight as possible.

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

“Off” position.

Mic

Williams Sound FM

Off On

On/Off Switch

Mic Jack

Mic

Mic Mute Switch

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 aroun 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.

Williams Sound ®

Helping People Hear

USING THE TGS R30 RECEIVER

Note: Rechargeable batteries are shipped in a discharged state and must be charged overnight

before using.

1. Make sure there are two charged AA batteries in the Receiver. If batteries are not installed,

see Battery Information, page 11.

2. Plug the earphone or headphone into the “Ear” jack on top of the Receiver.

3. Place the headphones over your ears.

4. Turn the power on by rotating the volume control thumbwheel on top of the Receiver.

5. Adjust the receiver volume control to a comfortable listening level.

You should be able to hear someone speaking into the transmitter microphone.

6. Place the receiver in the belt clip case provided. The receiver can be placed in a pants

pocket, or clipped onto a belt, harness, or waistband.

EAR Volume

Volume Control 

On/Off Switch

Earphone/Headphone 

Jack

"On" Indicator

LED

Switch Settings

MHz 1 2 3 4 5 6 7 8

72.1 DN UP DN UP DN DN DN DN

72.3 DN UP DN UP UP DN DN DN

72.5 DN UP DN UP DN DN UP DN

72.6 DN DN UP DN DN DN DN UP

72.7 DN UP DN UP UP DN UP DN

72.8 DN UP DN DN DN DN DN UP

72.9 DN UP DN UP DN DN DN UP

74.7 UP DN DN UP UP DN DN UP

75.3 UP UP DN UP DN DN DN DN

75.4 UP UP DN DN UP DN DN DN

75.5 UP UP DN UP UP DN DN DN

75.7 UP UP DN UP DN DN UP DN

75.9 UP UP DN UP UP DN UP DN

Battery

Compartment

12345678

Frequency Switches

CHANGING THE PFM T31 FREQUENCY

Begin by opening the battery compartment door. Remove the batteries, then open the back panel to

expose the circuit board. Referencing the Switch Settings chart (above), adjust the frequency

switches on the PFM T31 transmitter accordingly using a small screw driver or paper clip.

Reinstall the batteries, then close the back of the transmitter. Plug in the mic, and turn on the trans-

mitter to provide a tuning signal for the receivers. Be sure to change the receiver to the correspon-

ding channel.

Williams Sound ®

Helping People Hear

IC01

R30 R- 31 R-32

R7- 4

TUNING COIL

Ferrite Tuning

"Slug"

TGS R30 FREQUENCY CHANGE INSTRUCTIONS

Selecting a frequency for the R30, R31, R32 and R7-4 receivers requires an adjustment to the

internal tuning coil(s). See figure below for receiver types to locate the coils to be adjusted. A

plastic tuning wrench (PLT 005) will be needed to adjust these receiver tuning coils.

Most Williams Sound single channel Receivers are set at the factory to 72.9 MHz. The standard

four-channel receivers (R7-4), channels 1-4, are usually set to frequencies 72.1, 72.5, 72.9, 75.7

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.

TOCHANGE 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 or have someone talk into the transmitter’s microphone.

Step 3: Move the receiver about 25 feet away from the transmitter to set the tuning.

Williams Sound ®

Helping People Hear

Tour Group 1



Channel A

30 Meters Tour Group 2



Channel A

FIGURE 4: TOUR GUIDE GROUP SEPARATION

HINTS FOR USING THE SYSTEM

Normal operating distance between the transmitter and receiver is about 30 meters. The operating

range will vary in different buildings and surroundings. In some locations, the signal may momentar-

ily disappear. This is called a “drop-out” and is due to reflection and cancellation of the radio signal.

Moving a few feet will restore the signal.

Keep the transmitter and receiver units at least a meter apart. If the transmitter gets too close to a

receiver, it can overload the receiver, causing noisy reception or blocking of the signal.

Do not use more than one transmitter on the same channel (frequency) at the same time unless they

are physically separated by more than 30 meters. Operating more than one transmitter on the same

channel at the same time in the same place will result in interference.

USING MULTIPLE SYSTEMS FOR MULTIPLE GROUPS:

For multiple tour groups within the same facility, multiple Tour Guide Systems may be operated on

the same channel at the same time by maintaining physical separation of 30 meters between groups.

The physical separation of groups takes advantage of the FM capture effect which causes receivers to

lock onto the closest transmitter.

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