Uniden Mc 615 User manual

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MC 615 (AUS) AUSTRALIAN EDITION

MARINE RADIOTELEPHONE

OWNER'S MANUAL

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UNIDEN MC615

The UNIDEN MC 615 VHF marine radio transceiver has been designed to give you a

rugged reliable instrument that will provide you with years of trouble-free service.

You are encouraged to thoroughly read this manual to acquaint yourself with the

characteristics and operation of your transceiver so that you can contribute to the longevity

of your investment.

With proper care and maintenance, your UNIDEN MC 615 willoutlastyourpresentvessel

and serve you well on board several more. The full features and flexibility designed into this

quality transceiver will prevent it from becoming obsolete regardless of changes in craft

or geographic locations. The unit may be mounted in any number of convenient locations

by utilizingthe universalmountingbracket. I

The UNIDEN MC 615 is of all solid state design with conservatively rated rugged compo-

nents and materials compatible with the marine environment. The transceiver utilizes a

number of gaskets, sealing rings, waterproof membranes, and other sealants to effect

a splashproof housing for protection of the electronics.

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INSTAllATION

CAUTION: The MC 615 will operate only with nominal 12 volt negative ground

battery systems.

It is important to carefully determine the most suitable location for your MC 615 on your

vessel. Electrical, mechanical, and environmental considerations must all be taken into

account. You must select the optimum relationship among these considerations.

Keep in mind the flexibility designed into the MC 615 so that you can most conveniently

use your radio. Features which should be considered are:

1. Universal mounting bracket may be installed on eithertop or bottom of shelf, bulkhead,

or overhead mounting.

2. The microphone connector faces forward allowing convenient in-dash or "built-in"

installations.

3. The front panel can be fully reversed to provide for optimum viewing and operating for

any mounting position.

4. The REMOTE speaker jack may be used with an auxiliary speaker.

All.connections are "plug-in" type for easy removal of the radio.

ENGINE NOISE SUPPRESSION

Interference from the impulse noise generated by the electrical systems of engines is

sometimes a problem with radios. The MC 615 has been designed to be essentially

impervious to ignition impulse noise and alternator noise. However, in some installations

it may be necessary to take measures to further reduce the effect of noise interference.

All DC battery wires, antenna lead, and accessory cables should be routed away from the

engine and engine compartment and from power cabling carrying particularly high

currents.

In severe cases of impulse noise interference, it may be necessary to install a noise

suppression kit that is available from your Marine Dealer.

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ANTENNA CONSIDERATIONS

A variety of antennas is available from a number of quality suppliers. It is recommended

you draw upon the advice of your Marine Dealer indetermining a suitable antenna for your

vessel and range requirements.

The general rul~s for antennas are: The more gain the greater the range and, the higher

above the water line the greater the range. Antennas should be located so as not to be

in proximity to metal objects. Antennas should not have excessively long coaxial feed

cables.

CHOOSING A LOCATION

Some of the more important external fa,ctors to consider in selecting the location of

your MC 615 are:

1. Select a location that is free from spray and splash.

2. Keep the battery leads as short as possible. Connec:tion directly to the battery is most

desirable. If direct connection cannot be made with the supplied power lead, any

extension should be made with #10 AWG wire. Long extensions should use larger

wire.

3. Keep the antenna lead as short as possible. Long antenna leads can cause substantial

loss of performance for both receiving and transmitting.

4. Locate your antenna as high as possible and clear from metal objects. The reliable

range of coverage is a direct function of antenna hoight.

5. Select a location that does not allowthe radioto bE!subjectedto direct sunlight

(includingthat coming through windows).

6. Select a location that allows free air flow around the heat sink on the rear of the radio.

7. Select a location well away from the ship's compass. Auxiliary speakers also should

be located away from the compass.

After you have carefully considered the various factors affecting your choice of location,

position the radio (with the bracket, microphone, power plug, antenna plug and any

auxiliary plugs installed) into the selected location to assure, there is no interference with

surrounding items. Make the location of the mounting bracket.

Remove the bracket from the radio and use itas a template to mark the holes to be drilled

for the mounting hardware. Drill the holes and mount the bracket with hardware

compatible with the material of the mounting surface. Install the power cable (red is +,

black is -), antenna and all other auxiliary cables and accessories.

Install the radio into the mounting bracket and connect all cables and accessories to the

appropriate jacks and connectors. -4-

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1 ROTARY CHANNEL SELECTOR-Selects the desired channel. LED Numerical

channel display shows CH-01 through CH-88.

2 MICROPHONE CONNECTOR -Receptable for microphone connection.

3 ON/OFF VOLUME -Turns power on to radio and allows adjustment to the desired

listening level with clockwise rotation. Whenever the power is turned on, radio auto -

matically goes to Channel 16.

4 SQUELCH -is used to quiet background noise when no signal is being received. Turn

the knob just past the point at which background noise is quieted.

5 DIM/BRIT SELECTOR -This control is used to adjust the brightness of the display.

6 1W/25W SELECTOR - Controls transmitter output power. The 1W (WATT) position

should always be used for in-port or short range communications.

7 CH16 SELECTOR - Provides instant CH16 by overriding Rotary Channel selector.

LED indicator and Channel display will indicate when unit ison Channel 16. But if you

press "OFF", the channel will go back to the one which had been selected with Rotary

Channel. (That is, the channel just before you pressed "CH16".) And also Channel

Display will go back to that channel.

8 TX LED INDICATOR - Glows red in the transmit mode. The transmit lamp is operated

from the actual presence of power transmitted to the antenna.

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9 CH 16 LED INDICATOR-lights when CH 16 SELECTORis activated.

101 WATT LED INDICATOR - Shows when unit is switched to Low power (1 WATT).

11 LED NUMERICAL CHANNEL DISPLAY -Indicates channel in use.

REAR PANEL CONNECTORS

CD @CID

1 REMOTE SPEAKER CONNECTOR -If it is desired to use another speaker in addition

to the one in the radio, a four or eight ohm speaker equipped with a miniature phone

plug may be connected to this jack.

2 DC POWER CONNECTOR -Battery connections are to be made with the cable

supplied to mate with this connector. Remember, red is +, black is -. The power cord

is equipped with a fuse to protect the radio. Use only a Six (6) AMPERE fast blow fuse

for replacement.

3 ANT CONNECTOR -This connector is for connection of the antenna. A type PL259

connector is required to make proper connection.

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CHANNELS AND FUNCTIONS

CHANNEL

DESIG FREOUENCY (MHz)

SHIP ISHORE

SHIP

TOSHORE

TYPE

TRAFFIC SHIP

TOSHIP

156.050

156.100

156.150

156.200

156.250

156.300

Public Corresp

SAR/Port OPs/Com'1

YES

160.650

160.700

160.750

160.800

160.850

156.300

PERMANENT

SCAN LIST

TEL

FISH

TEL

,06 1Ob.;'W lOb.;'W yt: yt:

07 156.350 160.950 PublicCorresp NO YES

08 156.400 156.400 Port Ops YES YES

09 156.450 156.450 Port Ops YES YES

10 156.500 156.500 Port Ops YES YES

11 156.550 156.550 Port OPs YES YES

12 156.600 156.600 ShipNavigation/PortOPs YES YES

13 156.650 156.650 Port OPs YES YES

14 156.700 156.700 YES YES

15 156.750 156.750 YES YES

16 156.800 156.800 DISTRESS.Safely.Calling YES YES

17 156.850 156.850 YES YES

18 156.900 161.500 YES YES

19 156.950 161.550 YES YES

20 157.000 161.600 NO YES

21 157.050 161.650 VHF r.f.ARepealers/Port OPs YES YES

22 157.100 161.700 VHFMMRepeaters YES YES

23 157.150 161.750 PublicOorresp NO YES

24 157.200 161.800 PublicCorresp NO YES

25 157.250 161.850 PublicCorresp NO YES

26 157.300 161.900 PublicCorresp NO YES

27 157.350 161.950 PublicCorresp NO YES

28 157.400 162.000 PublicCorresp NO YES

60 156.025 160.625 NO YES

61 156.075 160.675 PublicCorresp NO YES

62 156.125 160.725 PublicCorresp NO YES

63 156.175 160.775 PublicCorresp NO YES

64 156.225 160.825 PublicCorresp NO YES

65 156.275 160.875 NO YES

66 156.325 160.925 PublicCorresp NO YES

67 156.375 156.375 DISTRESS.Safety YES YES

68 156.425 156.425 Port Ops NO YES

69 156.475 156.475 YES YES

71 156.525 156.575 YES YES

72 156.575 156.625 NonCom'l/com'I/PortOPs YES NO

73 156.625 156.675 NonCom'l YES YES

74 156.675 156.725 Commercial YES YES

77 156.725 156.875 NonCom" YES NO

78 156.875 161.525 Commercial YES YES

79 156.925 161.575 Port Ops NO YES

80 156.975 161.625 VHFMMRepeaters YES YES

81 157.025 161.675 Coast Guard YES YES

82 157.075 161.725 VHFMMRepeaters YES YES

83 157.125 161.775 Coast Guard YES YES

84 157.175 161.825 PublicCorresp NO YES

85 157.225 161.875 PublicCorresp NO YES

86 157.275 161.925 PublicCorresp NO YES

87 157.325 161.975 PublicCorresp NO YES

87A 157.375 157.375

88 157.425 162.025 PublicCorresp NO YES

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SPECIFICATIONS

GENERAL

Channels

Frequency Control

Method

Antenna Impedance

Speaker

Microphone

Channel Display

Frequency Stability

Operating Tempera-

ture Range

Shock and Vibration

Size

Weight

Controls

Connectors

Frequency Range

: Transmit 55

Receive 55

: PLL synthesizer

.50 ohms, nominal

. 1.82 Inch, 8 ohms

. Rugged 600 ohms dynamic element with coiled cord and

plug-in connector

. L.E.D

: +0.001%

: O°Cto55°C

: Meets or exceeds ElA standards

: 7-1/4"W (185m/m) x 9-5/8"L (245m/m) x 2-1/4"H (58m/m)

: 3.1 Lbs (1.4 Kg)

: On-OfflVolume, Squelch

: Antenna, microphone, remote speaker, DC power

: 156 to 158 MHz transmit

156 to 163 MHz receive

: 1W/25W power, DIM/BRIT, CH16 & main channel selector

switches

Lights and Indicators: Red (Transmit, 1 Watt & CH16 LED), Green (7 segment LED-

Channel Readout)

Standard Accessories: Plug-in microphone, mounting bracket and hardware, DC

power cord, mike hanger, spare fuse, owner's manual.

Selector Switches

Supply Voltage

TRANSMITTER

Power Output

Power Requirement

Modulation

: 13.8V DC negative ground

: 25 or 1 watt (switch selectable)

: 25 watts output: 5.0A @13.8V DC

1 watt output: 1.OA@13.8V DC

: FM,:t 5kHz deviation

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: Less than 5%

frequency

Spurious Suppression: -65 dB

Output Transistor: Built-in

Protection

Output Power

Stabilization

Hum and Noise

Attenuation

Audio Distortion

RECEIVER

Sensitivity

Threshold Squelch

Sensitivity

Tight Squelch

Sensitivity

Spurious Response

Attenuation

Image Response

Attenuatior:1

Inter modulation

Attenuation

: 45dB

at 3 kHz deviation with 1000 Hz modulating

: Built-in automatic level control (ALC)

: 0.30pV for 12 dB SINAD

0.50pV for 20 dB SIN

: 0.18,uV.

:1.0uV

: 90dB

: 75dB

: 70 dB @0.3,uV desired

50 dB @30pV desired

35 dB @300pV desired

Adjacent Channel: 75 dB

Rejection Selectivity: + 7.5 kHz @ 6 dB down

+ 15 kHz @ 60 dB down

Audio Output Power: 3.5 watts minimum at 10% distortion at 1 kHz modulation

and 3.0 kHz deviation (4 ohm speaker)

Power Requirement: 0.2A @ 13.8V DC squelched

0.6A @ 13.8V DC at rated audio output

: 1st -16.9 MHz

2nd - 455 kHz

Hum and Noise Level: 50 dB

IF Frequencies

NOTE: All specifications comply with the ministerial STD 274 (MS274)

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REVERSING THE FRONT PANEL

(2) TURNUNITOVERAND CAREFULLY

REMOVECOVERCABINET

PULLUP FROMREARFIRST.

(5) REMOVETOPTWO

SCREWS ON EACH

SIDE. '" '--

~6) LOOSENBOTTOMTWO

SCREWSON EACHSIDE.

(7) FLIPFRONTPANEL.

TIGHTENSCREWS.

(4) REMOVECABINET.~ ~'

(1) REMOVE FOUR SCREWS

FROM CABINET.

(8) CAREFULLYREPLACECOVERCABINETON BOTTOM OF RADIO.INSERTUNDERFRONT

PANELFIRSTAND THEN LOWERAT REAROF RADIO.

(9) TURN RADIOOVER.

(10)REPOSITIONCABINETON TOPOF RADIOAND REPLACEFOURSCREWSTO SECURETHE

HOUSING.

(11)RETIGHTEN FOUR APPEARANCE COVER SCREWS.

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