Uniden MC-4700 User Manual

uniden’

МС-4700

10 Channel
Marine

AM/SSB Transceivw

RADIO BACK PANEL VIEW

EXTERNAL
SPEAKER
Jack

SERIAL NUMBER

ANTENNA
Connector

IMPORTANT! '

This above pictorial display shows the location of the various accessory, antenna, and
power receptacles, as well as the SERIAL NUMBER.

You are urged to record your model number and your SERIAL NUMBER in the
spaces provided below;

Model

SERIAL NUMBER

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GENERAL
Channels

Frequency Range
Frequency Control
Frequency Tolerance

Frequency Stability
Operating Temperature Range
Microphone

Input Voltage

Current Drain

Cabinet Dimensions (mm)
Weight
Antenna Connector

Meter

Indicators

SPECIFICATIONS

10 AM, 10 USB

27.680 to 27.980 MHz
Phase Locked Loop(PLL) synthesized circuitry
±0,005%

0.001%

-20'’C to +50“C
Plug-in type, dynamic with push-to-talk switch
and coiled cord

13.8V DC nominal, 15.9V max,, 11.7V min.

(positive or negative ground).
Transmit: AM full mod., 2.2A; SSB 12 watts PEP
output, 2A.

Receiver: AM & SSB with maximum audio
output, 0.6A.

185(W) X 231(D) X 58(H)

3.3 Lbs (1.52 kg)

UHF, SO-239

Illuminated; indicates relative power output and

received signal strength, green receive LED.

LED display; channel, channel 88, TX/RX and

AM/SSB.

TRANSMITTER
Power output

Modulation
Intermodulation Distortion

SSB Carrier Suppression

Unwanted Sideband
Frequency Response
Output Impedance

SSB Filter

Output Indicators

AM, 4 watts

SSB, 12 watts, P.E.P.

AM, high and low level

SSB: 3rd and 5th order, better than —25 dB.

7th and 9th order, better than —35 dB,
Better than —55 dB
Better than —50 dB
AM and SSB: 350 to 2500 Hz.
52 ohms, unbalanced

10.695 MHz, 8 pole monolithic type
6dB@4.2kHz
60dB@7.0kHz
Meter shows relative RF output power; red
transmit LED.

2-

RECEIVER
Sensitivity

Selectivity
Cross Modulation
Image Rejection
I.F, Frequency
AM and SSB RF Gain Control
Automatic Gain Control

Squelch
Noise Blanker
Clarifier Range
Audio Output Power
Frequency Response
Distortion
Built-in Speaker
External Speaker {Not Supplied)

PA SYSTEM
Power Output

External Speaker for PA

SSB: Better than ,25pV for 10 dB

(S-tN)/N at greater than Vi watt of audio

output

AM: Better than .BfiV for 10 dB

(S-fN)/N at greater than Vi watt of audio

output
SSB and AM: 6 dB 4.2 kHz, 60 dB @ 7.0 kHz
More than 50 dB
More than 75 dB
AM and SSB: 10.695 MHz
Adjustable for optimum signal reception.

(AGC): Less than 10 dB change in audio output
for inputs from 10 to 500,000 microvolts.
Adjustable; threshold less than ,5/jV.

RF type, effective on AM and SSB.
±1.0 kHz Max
3 watts into 8 ohms
350 to 2500 Hz

Less than 10% at 3 watts output.
16 ohms, round
8 ohms; disables interna! speaker when con

nected.

3 watts into external speaker,
8 ohms {not supplied)

INTRODUCTION

Samronic has combined superb workmanship and modern styling with the very latest
state-of-art circuitry to bring you Barracuda. It has been especially designed to give
you maximum performance and reliability. Your Barracuda is complately factory
aligned and quality assurance tested.

To obtain the maximum benefit and pleasure from your Barracuda please read very
carefully the contents of this manual before attempting to install or operate the
transceiver.

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