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Williams Sound PFM 350 - page 1
HEARING HELPER ™ Personal FM System W ireless FM Listening System M ANUAL AND U SER G UIDE MAN 072H Models PFM 350, PFM 300, PFM 350E RCH, & PFM 300E RCH T ransmitter Model PFM T32 Optional Receiver Models PFM R32, R31 ...
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Williams Sound PFM 350 - page 2
2 Contents Page S YSTEM O VERVIEW 3 S YSTEM C OMPONENTS 4 S AFETY I NFORMA TION 5 R ECYCLING I NSTRUCTIONS 5 O PERA TING I NSTRUCTIONS PFM T32 TRANSMITTER 6 PFM R32 R ECEIVER 9 PFM R31 R ECEIVER 10 B A TTER Y I NFORMA TION B A TTER Y I NST ALLA TION 13 R ECHARGEABLE AND NON - RECHARGEABLE BA TTERIES 13 U SING OPTIONAL CHG 200 BA TTERY CHARGER 14 U ...
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Williams Sound PFM 350 - page 3
3 Thank you for purchasing the Hearing Helper ™ Personal FM System from W illiams Sound Corp. Anyone needing auditory assistance to o vercome background noise, re verberation, or distance from the sound source can benefit from the Personal FM System. Y our PFM System has two principal parts: the T ransmitter and the Recei ver . Much like a miniat ...
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Williams Sound PFM 350 - page 4
4 Body Pack T ransmitter (PFM T32) with (2) AA batteries (B A T 001) Lav alier microphone (MIC 090) Mini earphone (EAR 013) Soft Nylon System Carry Case (CCS 020) (2) Belt clip cases (CCS 001) Instructions (MAN 072) PFM System 300 Only: Personal FM Recei ver (PFM R32) with (2) AA batteries (B A T 001) PFM System 350 ...
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Williams Sound PFM 350 - page 5
5 CAUTION! CAUTION! CAUTION! S AFETY I NFORMA TION H EARING S AFETY This product is designed to amplify sounds to a high volume le vel which could poten- tially cause hearing damage if used improperly . T o protect y our hearing and the hear- ing of others: Make sure the v olume is turned down before putting on the earphone or headphone before adju ...
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Williams Sound PFM 350 - page 6
6 1. Install two (2) AA batteries. If you’ re using rechargeable batteries, they must be char ged before using. See battery information on page 13. 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 Po wer Switch on top of the transmitter to “On. ...
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Williams Sound PFM 350 - page 7
7 C HANGING THE PFM T32 F REQUENCY F IG . 5: PFM T32 F REQUENCY C HANGE By default, the T32’ s frequency is to set 72.9 MHz (Channel E). If you e xperience FM interference, or if you need to match a recei ver’ s frequency , it may be necessary to adjust the frequency on the T32. Instructions: 1. Open the battery compartment using a coin in the ...
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Williams Sound PFM 350 - page 8
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 . Remo ve the batteries. 2. Lift the battery compartment door up and pull to your ...
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Williams Sound PFM 350 - page 9
9 U SING THE PFM R32 R ECEIVER (PFM 300 & PFM 300E RCH): Recei ver model PFM R32 has a single volume control and an earphone output jack. 1. Make sure there are two char ged AA batteries in the Recei ver . If batteries are not installed, see Battery Information on page 13. 2. Plug the earphone or headphone into the “Ear” jack on top of the ...
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Williams Sound PFM 350 - page 10
10 U SING T HE PFM R31 R ECEIVER (PFM 350 & PFM 350E RCH): Recei ver model PFM R31 has two v olume control knobs (one for the FM signal, one for en vironmental sounds), a microphone input jack, and an earphone output jack. 1. Make sure there are two char ged AA batteries in the Recei ver . If batteries are not installed, see Battery Information ...
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Williams Sound PFM 350 - page 11
11 Notes: The earphone cord is the recei ving antenna. Do not bunch up the cord or wrap it around the recei ver . F or best reception, the cord should hang as straight as possible. Make sure the Recei ver is turned OFF when not in use. The channel selector can be used to switch between an indi vidual and a group channel. Adjusting The R31 V olume C ...
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Williams Sound PFM 350 - page 12
12 T UNING THE PFM R32 & R31 R ECEIVERS T uning for the R32 and R31 Recei vers is determined by tuning coils, and is stabilized by phase- locked-loop circuitry . A plastic tuning wrench (PL T 005) is needed to adjust the recei ver tuning coil. 1. Use the T ransmitter as a tuning signal source. Ha ve someone speak into the microphone so you hav ...
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Williams Sound PFM 350 - page 13
13 I NST ALLA TION Open the battery compartment using a coin in the slot in the bottom of the recei ver or transmit- ter . Press the batteries into place, observing proper battery polarity . Incorrect insertion of the battery is dif ficult, and if forced, may cause both mechanical and electrical damage to transmit- ters or recei vers not cov ered b ...
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Williams Sound PFM 350 - page 14
14 F IGURE 13: U SING T HE O PTIONAL CHG 200A B A TTERY C HARGER T O C HARGE T RANSMITTERS AND R ECEIVERS Step 1: Plug the CHG 200’ s po wer supply into the Power Input on the char ger’ s side and a standard A C wall outlet. Step 2: Route the power cord around the Cord Hook (see figure at right). This will minimize strain on the cord and jack a ...
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Williams Sound PFM 350 - page 15
15 U SING Y OUR P ERSONAL FM S YSTEM WITH A H EARING A ID If you hav e a hearing aid equipped with a T elecoil (T -Switch), you can use a Neckloop (NKL 003–children’ s size, or NKL 001–adult’ s size) to magnetically couple the signal from the PFM Recei ver into your hearing aid. The Neckloop plugs into the earphone jack of the recei ver . T ...
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Williams Sound PFM 350 - page 16
16 I N C ASE O F D IFFICUL TY If your Personal FM System is not working, check the follo wing: 1. Read thr ough the manual and user guide car efull y to v er ify proper setup and installa tion of your system . 2. Make sure the batteries are fresh or completely char ged and that the “plus” and “minus” termi- nals are installed correctly . 3. ...
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Williams Sound PFM 350 - page 17
17 Limited W arranty W illiams Sound products are engineered, designed, and manufactured under carefully controlled condi- tions to provide you with man y years of reliable service. W illiams Sound warrants the Hearing Helper ® Personal FM System against defects in materials and workmanship for FIVE (5) years. During the f irst fi ve years from th ...
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Williams Sound PFM 350 - page 18
18 T ECHNICAL S PECIFICA TIONS FM T RANSMITTER , M ODEL PFM T32 Dimensions: 3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm) W eight: 4.4 oz (125 g) with battery Color: Royal blue, shatter-resistant polyprop ylene Battery T ype: T wo (2) AA 1.5 V non-rechar geable Alkaline batteries (BA T 001), 70 mA nominal current drain, ...
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Williams Sound PFM 350 - page 19
19 A COUSTIC S PECIFICA TIONS Environmental Mic Response (PFM R31 Only) Input: 80 dB random noise Device: KEMAR mannequin with BTK 3550 T ester Y : 80.0 dB 80 db Main Y : 50.2 dB X: 100 Hz + 8 OCT LOG Main X: 4 kHz ANSI S3.22–1987 T EST FM Response (PFM R31, R32) M INIMUM L OW C UT (T ONE S ET T O L OW ) Max. SSPL90: 135.8 dB at 500 Hz HF A vg SS ...
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Williams Sound PFM 350 - page 20
© 2007, Williams Sound Corp. MAN 072H ...
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