Williams Sound PFM 350 RCH User Manual

ADA

ADA

©2006, Williams Sound Corp.  MCAT 041B

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

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)

EAR

MIC

FM

Mic

FM

On

Min

Max

Off

Max

On Indicator

Mic

Jack

FM Volume

Mic

Volume

Mic Jack

FM

Indicator

Tone
Control

Channel
1 or 2

*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE
FOR THE HANDICAPPED.