Williams Sound HEARING HELPER PFM 300 Bedienungsanleitung

Set Up

Guide &

User

Manual

Hearing Helper® PERSONAL FM System

Models PFM 300 & PFM 350

Wireless FM Listening System

Transmitter Model T30

Williams Sound ®

Receiver Models R31, R32

Helping People Hear

MAN 072C

HEARING HELPER® PERSONAL FM SYSTEM, MODELS PFM 300 / PFM 350

INSTALLATION GUIDE & USER MANUAL

Contents Page

SYSTEM OVERVIEW 4

SYSTEM COMPONENTS 5

USING THE T30 TRANSMITTER 6

USING THE PFM R32 RECEIVER 7

USING THE PFM R31 RECEIVER 8

BATTERY INFORMATION 10

USING YOUR PERSONAL FM SYSTEM WITH A HEARING AID 12

APPLICATIONS FOR VARIOUS HEARING LOSS LEVELS 13

IN CASE OF DIFFICULTY 14

CHANGING FREQUENCIES 15

WARRANTY 17

SYSTEM SPECIFICATIONS 18

ACOUSTIC SPECIFICATIONS 19

Williams Sound ®

Helping People Hear

SYSTEM OVERVIEW

Thank you for purchasing the Hearing Helper® Personal FM System from Williams Sound

Corp. Anyone needing auditory assistance to overcome background noise, reverberation, or

distance from the sound source can benefit from the Personal FM System.

Your PFM 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 receiver and earphone are used to pick up

the broadcast up to 100 feet 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 Williams Sound Personal

FM System.

If you have problems with the PFM system, don’t hesitate to call us toll-free at

1-800-843-3544.

FIGURE 1: HOW THE PFM SYSTEM WORKS

FM Radio Signal

Speaker Uses Transmitter Listeners use R31 or R32 Receivers with

With Microphone Earphones, Headphones, Or Neckloop

The speaker wears the body-pack transmitter and a clip-on microphone. The

speaker’s voice is broadcast as an FM radio signal over a distance of 100-150 feet

(30-45 m). Listeners use the pocket receiver and earphone or 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.

Williams Sound ®

Helping People Hear



Williams SoundWilliams Sound Williams Sound

Hearing Helper ®

Hearing Helper ®Hearing Helper ®

SYSTEM COMPONENTS

Body Pack Transmitter (PFM T30) with (2) AA batteries (BAT 001)

Lavalier microphone (MIC 090)

Mini earphone (EAR 013)

Soft Nylon System Carry Case (CCS 020)

(2) Belt clip cases (CCS 021)

Instructions (MAN 072)

PFM System 300 Only:

Personal FM Receiver (PFM R32) with (2) AA batteries (BAT 001)

PFM System 350 Only:

Personal FM Receiver (PFM R31) with Plug Mount Microphone (MIC 014)

and (2) AA batteries (BAT 001)

FIGURE 2: SYSTEM COMPONENTS

Earphone

On/Off &

FM Volume

Williams Sound

Hearing Helper

Microphone

On/Off Switch

Mic Jack

Microphone

Mic

Volume

On/Off &

FM Volume

Earphone

Williams Sound

Hearing Helper

Williams Sound

Hearing Helper

T30 Transmitter R32 Receiver R31 Receiver

(PFM 300 & 350 Systems) (PFM 300 System) (PFM 350 System)

Williams Sound ®

Helping People Hear

USING THE T30 TRANSMITTER

1. Make sure there are two charged AA batteries in the transmitter. If batteries are not

installed, see Battery Information on page 10.

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

Mic

Williams Sound FM

Off On

On/Off

Switch

Mic

Jack

FIG. 3: T30 TRANSMITTER TOP VIEW

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

4. Turn the power switch on top of the Transmitter to “On.”

5. Clip the microphone onto a collar, lapel, or tie. It should be as close to the speaker’s

mouth as is practical. (See Figure 4.)

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.

FIGURE 4: CORRECT MICROPHONE PLACEMENT

Yes Yes No

The PFM System 300/350 comes with an omnidirectional, lapel-clip style microphone. It

should be clipped to a collar, lapel, tie, or neckline as close to the mouth as possible and

centered on the body as shown.

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.

Williams Sound ®

Helping People Hear

USING THE PFM R32 RECEIVER (PFM 300):

Receiver model PFM R32 has a single volume control and an earphone output jack.

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

installed, see Battery Information on page 10.

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

FIGURE 5: R32 RECEIVER TOP VIEW

EAR FM

Off Max

Earphone

Jack

Indicator

Volume

Control

FM Indicator

3. Turn the power on by rotating the volume control knob on top of the Receiver.

4. Place the earphone in your ear.

5. Choose the correct channel using the right switch on the R32’s back panel.

Unless you have changed the Transmitter channel, set the receiver to channel 1. If the

Transmitter is on and tuned to channel 1, the FM Indicator light on the R32 will light.

TONE Channel

Lo Mid Hi CH1 CH2

FIGURE 6: RECEIVER TONE &CHANNEL CONTROLS

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

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

7. Adjust the receiver tone control to your needs. Lo – more low frequencies;

Mid – some low frequency cut; Hi – maximum low frequency cut, emphasizes higher

frequencies. (See Figure 6.)

8. 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.

Notes:

The earphone cord is the receiving antenna. Do not bunch up the cord or wrap it around the

receiver. For best reception, the cord should hang as straight as possible. Make sure the

Receiver is turned OFF when not in use. The channel selector can be used to switch between

an individual and a group channel.

Williams Sound ®

Helping People Hear

USING THE PFM R31 RECEIVER (PFM 350):

Receiver model PFM R31 has two volume control knobs (one for the FM signal, one for

environmental sounds), a microphone input jack, and an earphone output jack.

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

installed, see Battery Information on page 10.

2. Insert the small Plug Mount Microphone (MIC 014) into the “Mic” jack on top of the

R31 Receiver.

FIGURE 7: R31 TOP VIEW

FM Volume On Indicator

EAR MIC

FM Mic

Min MaxOff Max Mic

Jack

Mic

Volume

Mic Jack

Indicator

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

4. Turn the power on by rotating the taller “FM” volume control on top of the Receiver.

5. Place the earphone in your ear.

TONE Channel

Lo Mid Hi CH1 CH2

FIGURE 8: RECEIVER TONE &CHANNEL CONTROLS

6. Choose the correct channel using the right switch on the R31’s back panel. If the

Transmitter is on and tuned to channel 1, the FM Indicator light on the R31 will light.

7. Adjust the receiver tone control to your needs. Lo – more low frequencies;

Mid – some low frequency cut; Hi – maximum low frequency cut, emphasizes higher

frequencies. (See Figure 6.)

8. 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.

Williams Sound ®

Helping People Hear

Notes:

The earphone cord is the receiving antenna. Do not bunch up the cord or wrap it around the

receiver. For best reception, the cord should hang as straight as possible. Make sure the

Receiver is turned OFF when not in use. The channel selector can be used to switch between

an individual and a group channel.

Adjusting The R31 Volume Controls

1. Adjust the taller “FM” volume control to a comfortable listening level. You should be

able to hear someone speaking into the Transmitter microphone.

2. Now adjust the shorter “Mic” volume control until you can hear sounds picked up by the

environmental microphone on top of the receiver.

3. Adjust the two volume controls for a comfortable mix of FM and environmental sounds.

You will normally want to have the FM signal louder than the environmental Mic

signal to avoid picking up extra background noise. If no environmental sounds are

desired, turn the “Mic” control fully to “Min”. If you want to hear nearby

conversation or your own voice, turn the “Mic” control up.

Williams Sound ®

Helping People Hear

BATTERY INFORMATION

INSTALLATION Open the battery compartment using a coin in the slot in the bottom of the receiver. Press the

batteries into place, observing proper battery polarity. Incorrect insertion of the battery is

difficult, and may cause both mechanical and electrical damage to transmitters or receivers

not covered by the 5 year warranty. Units will not work with the battery incorrectly installed.

FIGURE 9: INSTALLATION OF BATTERIES

or Receiver

Battery

Compartment

Note Proper

Polarity

+–

+ – Pry

Slot

Rear of Transmitter

DISPOSABLE BATTERIES

In normal use, two AA 1.5 V alkaline batteries will last about 12 hours in the T30

Transmitter and approximately 80 hours in the R31 and R32 Receivers, respectively.

If the sound becomes weak or distorted, replace the battery. The indicator light may still be

on, even with a battery that is weak. Do not leave dead batteries in the receivers. Battery

corrosion is not covered by the Williams Sound five year warranty.

RECHARGEABLE BATTERIES

The PFM 300 and PFM 350 Systems can use rechargeable AA batteries (BAT 026). On an

overnight charge, these NiMH batteries are designed to operate a T30 Transmitter for

approximately 10 hours, and R31 and R32 Receivers for 50 and 60 hours, respectively.

The battery installed in the receiver may be recharged in the receiver only if it is a Nickel

Cadmium battery, and only if the Williams Sound CHG 200A charger is used. Damage from

improper charging is not covered by the Williams Sound five year warranty. For charging

directions, see figure 9.

!! IMPORTANT WARNINGS !!

DO NOT ATTEMPT TO RECHARGE ZINC CARBON (“HEAVY DUTY”), ALKALINE, OR LITHIUM BATTERIES!

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 batteries!

Williams Sound ®

Helping People Hear

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