Williams Sound HEARING HELPER TGS PRO 720 Guide

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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

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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

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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

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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).

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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

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CAUTION!
CAUTION!
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.
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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.
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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

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1. 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.
6. 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

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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.

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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:
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 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

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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
FM
On/Off Switch
Mic Jack
Mic
Mic Mute Switch
FIG. 6: PFM T31 TRANSMITTER TOP VIEW