West Marine VHF500 Specifications download pdf (Page 67)

General

Channels : Transmit 54

Receive 77 Marine/10 Weather

Controls : On-Off/Volume, Squelch

Status Indicators : TX (Transmit), TRI (Triple Watch),

HI (High), LO (Low), U, C, I, MEM, WX, DSC,

(Alarm), (Alert), (GPS), (WHAM), and

Channel Display

Channel Display : Radio Status Display with Orange backlight

Buttons :

16/9/TRI, DISTRESS, PA, MEM/UIC, SELECT, STEP/SCAN,

H/L/MENU, WX/ALERT, CHANNEL ▲, CHANNEL ▼

Connectors : Antenna, Remote, ACC, and DC power

Size : H63 mm x W160 mm x L183 mm (W/O Heat Sink)

H2.52 inches x W6.4 inches x L6.72 inches

Weight : 1.1 kg / 2.42 lbs / 38.9 oz

Supply Voltage : 13.8V DC negative ground

Standard Accessories : Mounting bracket and hardware, DC power cord,

microphone hanger, spare fuse, ACC Cable

Antenna Impedance : 50

Ω nominal

Microphone : Rugged 2 k

Ω condenser mic element with

coiled cord

Speaker : 1.82 inch, Mylar Cone 8

Ω

Operating Temperature Range : –20 °C to + 50 °C (–4 °F to +122 °F)

Shock and Vibration : Meets or exceeds EIA standards, RS152B and

RS204C

FCC Approvals : Type accepted under part 80 of the Rules; meets

Great Lakes Agreement and party boat

requirements

Transmitter

Power Output : 1 watt or 25 watt (switch selectable)

Power Requirement : Not rated on LO, 25 watts output: [email protected] DC

Modulation : FM ±5 kHz deviation (FCC designator F3E)

Hum and Noise Signal-to-Noise : 45 dB@1 kHz with 3 kHz deviation with 1000 Hz

modulating frequency (nominal)

Audio Distortion : Less than 8% with 3 kHz deviation with 1000 Hz

modulating frequency

Spurious Suppression : –45 dBm @ Hi, –45 dBm @ Lo

Output Power Stabilization : Built-in automatic level control (ALC)

Frequency Range : 156 to 158 MHz

Frequency Stability : ±5 ppm @ –20°C to + 50°C

Receiver

Frequency Range : 156 to 163 MHz

Sensitivity : 0.23

µV for 12 dB SINAD

Circuit : Dual Conversion Super Heterodyne PLL

Squelch Sensitivity : 0.15

µV Threshold

Spurious Response : 65 dB

Adjacent Channel Selectivity : 67 dB @ ±25 kHz

Audio Output Power : 2.8 watts (10% Distortion)

Power Requirement : 350 mA @ 13.8V DC squelched, 900mA @ 13.8V

DC at maximum audio output

IF Frequencies : 1st 21.4 MHz, 2nd –455 kHz

Specification

UT01920ZZ_1 4/7/04 2:19 PM Page 67

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West Marine VHF500 Specifications Page 67

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