Williams Sound PFM 350 RCH ユーザーズマニュアル
Hearing Helper
™
Personal FM System •
Model PFM 350 RCH
Hearing Helper
™
Personal FM System •
Model PFM 350 RCH
ADA
ADA
©2006, Williams Sound Corp. MCAT 041B
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
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).
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
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
Mic Connector:
3.5 mm mono phone jack, supplies positive DC for Williams Sound electret mics
Microphone:
Plug mount electret, omnidirectional, with windscreen, 3.5 mm mono phone plug (MIC 014)
Mic Volume:
Rotary control
Note:
Specifications are electrical performance
Warranty:
5 years, parts and labor (90 days on accessories)
PFM R31 FM Receiver:
EAR
MIC
FM
Mic
FM
On
Min
Max
Off
Max
R31 Top
On Indicator
Mic
Jack
FM Volume
Mic
Volume
Mic Jack
FM
Indicator
Williams Sound
Hearing Helper
®
R31 Front
Tone
Control
Control
Channel
1 or 2
1 or 2
R31 Rear
R31 Top
R31 Front
R31 Back
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE
FOR THE HANDICAPPED.
FOR THE HANDICAPPED.