Hearing Helper
™
Personal FM System •
Model PFM 300 RCH
Hearing Helper
™
Personal FM System •
Model PFM 300 RCH
ADA
ADA
©2006, Williams Sound Corp. MCAT 040B
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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)
Weight:
4.6 oz (130 g) with batteries
Color:
Royal blue, shatter-resistant polypropylene
Battery Type:
Two (2) AA 1.5 V non-rechargeable Alkaline batteries
(BAT 001), 14 mA nom. current drain, 80 hours approx. life
(OR) Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 14 mA nominal current drain, 50
hours per charge approx., recharges in 14–16 hours, uses CHG 200 Charger
FCC ID:
CNM R31
Operating Freq’s:
Pre-tuned, field–tuneable, 72 MHz-76 MHz*.
Pre-set channels are E (72.9 MHz) and G (75.7 MHz).
FM Deviation:
Wide-band, 75 kHz, 75 µS de-emphasis
AFC Range:
± 120 kHz
Sensitivity:
4 µV at 12 dB Sinad with squelch defeated,
squelches at 10 µV for min. 50 dB S/N ratio
Freq Response:
100 to 10 kHz, + 3 dB
Signal-to-Noise Ratio:
50 dB at 10 uV
Receive Antenna:
Integral with earphone cord
Audio Output:
35 mW, max. at 16
Ω
Output Connector:
3.5 mm mono phone jack
Squelch:
Set to turn off audio under weak or no signal condition
Carrier Detect Ind:
Red LED, turns on in the presence of a carrier
Controls
Volume: Rotary,
On/Off/Volume
Tone:
3-way slide switch;
Lo: flat response (20 Hz), Mid: -3 dB at 235 Hz, Hi: -3 dB at 730 Hz
Channel:
2-way slide switch; Ch 1: 72.9 MHz, Ch 2: 75.7 MHz
Indicators:
On/Off and FM
Warranty:
5 years, parts and labor (90 days on accessories)
PFM R32 FM Receiver:
EAR
FM
FM
On
Off
Max
R32 Top
Earphone
Jack
On
Indicator
Volume
Control
FM Indicator
Williams Sound
Hearing Helper
®
R32
Tone
Control
Channel
1 or 2
R32
R32 Top
R32 Front
R32 Back
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE
FOR THE HANDICAPPED.
