Personal fm, Listening system, Model pfm 863 – Williams Sound PFM 863 User Manual
Page 2: R863 receiver

Personal FM
™
Listening System
•
Model PFM 863
Personal FM
™
Listening System •
Model PFM 863
©2007, Williams Sound Corp. MCAT 061A
2
Dimensions:
115 mm H x 72 mm W x 30 mm T
(4.5” H x 2.85 W x 1.2” T)
Weight:
85 grams (3 oz.), no batteries
Color:
Black
Material:
ABS/Polycarbonate, shatter-resistant
Battery Type:
Two (2) AA 1.5 V Non-rechargeable Alkaline batteries
(BAT 001), 50 mA nominal current drain, 40 hours
approx. life
(OR)
Two (2) AA 1.2 V NiMH Rechargeable batteries (BAT 026),
50 mA nominal current drain, 30 hours per charge
approx., recharges in 14–16 hours, uses CHG 3512
Multiple Battery Charger
Operating Frequencies:
CH 1 - 863.25 MHz; CH 2 - 863.75 MHz;
CH 3 - 864.75 MHz ( ± 30 kHz)
Operating Range:
30 meters (98.4 feet) with T863 transmitter
Stability:
± .05 MHz, 0 - 50° Celsius
FM Deviation:
60 kHz ±5 kHz, transmitter input at 1 kHz, 2.5 mV
De-Emphasis:
50 µS
Sensitivity:
< - 90 dBm @ 60 kHz deviation
Squelch:
-100 dB @ 6 kHz
Freq Response:
500 Hz - 5 kHz, ±3 dB
Distortion:
< 2.0% THD
Signal–Noise Ratio:
>50 dB ( ± 5 dB) with transmitter input at 1 kHz, 2.5mV
Antenna:
Internal wire monopole
Controls & Indicators:
Volume control knob; Channel selector (four position
rotary switch): Position 1 is off; position 2 is CH1; posi-
tion 3 is CH 2; position 4 is CH 3
Power on indicator: Red LED “on” indicates when
receiver has power
Low battery indicator: Power LED flashes when batteries
are low
Battery selector: Slide switch for alkaline or NiMH
battery operation
Headphone jack:
3.5 mm jack, mono output, 8-32 ohm impedance
Charging Contacts:
Designed for use with CHG 3512 Battery Charger
Approvals:
CE, RoHS, WEEE, ETSI EN 301 357-1, ETSI EN 301 357-2
Warranty:
3 years parts and labor (90 days on accessories)
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
R863 Receiver
O
On/Off/Channel
Selector Switch
Volume Control
Earphone/Headphone Jack
"On" Indicator LED
R863 Top
R863 Front
ADA
ADA