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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 will outlastyourpresentvessel
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 universal mountingbracket.
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The UNIDEN MC 615 is of all solid state design with conservatively rated rugged components 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 in determining 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 allow the radio to bE! subjected to direct sunlight
(including that 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 it as 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.
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1 ROTARY CHANNEL SELECTOR Selects the desired channel.
LED Numerical
channel display shows CH-01 through CH-88.
MICROPHONE
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
CONNECTOR
-Receptable
2
-
SQUELCH
-is used to quiet background
the knob just past the point at which
5
for microphone connection.
DIM/BRIT SELECTOR
-This control
noise when no signal is being received. Turn
background
noise is quieted.
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 is on 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 SELECTOR is 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
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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.
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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.
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3 ANT CONNECTOR T his 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
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
60
61
62
63
64
65
66
67
68
69
71
72
73
74
77
78
79
80
81
82
83
84
85
86
87
87A
88
,
FREOUENCY
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SHIP
156.050
156.100
156.150
156.200
156.250
1Ob.;'W
156.300
156.350
156.400
156.450
156.500
156.550
156.600
156.650
156.700
156.750
156.800
156.850
156.900
156.950
157.000
157.050
157.100
157.150
157.200
157.250
157.300
157.350
157.400
156.025
156.075
156.125
156.175
156.225
156.275
156.325
156.375
156.425
156.475
156.525
156.575
156.625
156.675
156.725
156.875
156.925
156.975
157.025
157.075
157.125
157.175
157.225
157.275
157.325
157.375
157.425
(MHz)
SHORE
160.650
160.700
160.750
160.800
160.850
156.300
lOb.;'W
160.950
156.400
156.450
156.500
156.550
156.600
156.650
156.700
156.750
156.800
156.850
161.500
161.550
161.600
161.650
161.700
161.750
161.800
161.850
161.900
161.950
162.000
160.625
160.675
160.725
160.775
160.825
160.875
160.925
156.375
156.425
156.475
156.575
156.625
156.675
156.725
156.875
161.525
161.575
161.625
161.675
161.725
161.775
161.825
161.875
161.925
161.975
157.375
162.025
TYPE
TRAFFIC
SHIP
TO SHIP
Public Corresp
Public Corresp
Public Corresp
Public Corresp
SAR/Port OPs/Com'1
PublicCorresp
Port Ops
Port Ops
Port Ops
Port OPs
Ship Navigation/PortOPs
Port OPs
DISTRESS.Safely.Calling
VHF r.f.ARepealers/Port OPs
VHFMMRepeaters
PublicOorresp
PublicCorresp
PublicCorresp
PublicCorresp
PublicCorresp
PublicCorresp
Public Corresp
Public Corresp
PublicCorresp
PublicCorresp
PublicCorresp
DISTRESS.Safety
Port Ops
Non Com'l/com'I/PortOPs
Non Com'l
Commercial
Non Com"
Commercial
Port Ops
VHFMM Repeaters
Coast Guard
VHFMMRepeaters
Coast Guard
PublicCorresp
PublicCorresp
Public Corresp
Public Corresp
PublicCorresp
SHIP
TO SHORE
PERMANENT
SCAN LIST
NO
NO
NO
YES
NO
yt:
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
YES
YES
YES
yt:
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
TEL
TEL
TEL
NO
YES
TEL
TEL
TEL
TEL
TEL
TEL
TEL
TEL
TEL
TEL
TEL
TEL
TEL
FISH
FISH
FISH
CG
CG
TEL
TEL
TEL
TEL
TEL
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SPECIFICATIONS
GENERAL
Channels
Frequency Control
Method
Antenna Impedance
Speaker
Microphone
Channel Display
: 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
Frequency Stability
Operating Temperature Range
Shock and Vibration
Size
Weight
Controls
Connectors
Frequency Range
: +0.001%
: O°C to 55°C
Supply Voltage
: 13.8V DC negative ground
Meets or exceeds E lA 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
Selector Switches
: 1W/25W power, DIM/BRIT, CH16 & main channel selector
switches
Lights and Indicators:
Red (Transmit, 1 Watt & CH16 LED), Green (7 segment LEDChannel Readout)
Standard Accessories: Plug-in microphone, mounting bracket and hardware, DC
power cord, mike hanger, spare fuse, owner's manual.
TRANSMITTER
Power Output
Power Requirement
Modulation
:
:
:
:
:
:
: 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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Hum and Noise
Attenuation
Audio Distortion
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: 45dB
: Less than 5% at 3 kHz deviation with 1000 Hz modulating
frequency
Spurious Suppression:
-65 dB
Output Transistor:
Built-in
Protection
: Built-in automatic level control (ALC)
Output Power
Stabilization
RECEIVER
Sensitivity
Threshold Squelch
Sensitivity
Tight Squelch
Sensitivity
Spurious Response
Attenuation
Image Response
Attenuatior:1
Inter modulation
Attenuation
: 0.30 pV 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
IF Frequencies
2nd - 455 kHz
Hum and Noise Level: 50 dB
NOTE: All specifications comply with the ministerial STD 274 (MS274)
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REVERSING THE FRONT PANEL
(2) TURN UNIT OVERAND CAREFULLY
REMOVECOVERCABINET
PULL UP FROM REAR FIRST.
(5) REMOVETOP TWO
SCREWS ON EACH
SIDE. '"
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~6) LOOSENBOTTOMTWO
SCREWSON EACH SIDE.
(7) FLIP FRONTPANEL.
TIGHTENSCREWS.
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(4) REMOVECABINET.~
(1) REMOVE FOUR SCREWS
FROM CABINET.
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(8) CAREFULLYREPLACECOVERCABINET ON BOTTOM OF RADIO. INSERT UNDER FRONT
PANEL FIRSTAND THEN LOWERAT REAROF RADIO.
(9) TURN RADIO OVER.
(10)REPOSITIONCABINETON TOP OF RADIOAND REPLACEFOURSCREWSTO SECURETHE
HOUSING.
(11) RETIGHTEN FOUR APPEARANCE COVER SCREWS.
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CARE AND MAINTENANCE
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Your MC 615 is a precision piece of electronic equipment and you should treat it
accordingly. Due to the rugged design, very little maintenance is required, however, a
few precautions should be observed.
If your radio has been accidentally subjected to spray or splash you should immediately
wipe it down with a soft cloth dampened with fresh water.
If the antenna has been damaged, you should not transmit except in case of emergency.
A defective antenna may cause damage to your radio.
You are urged to arrange for periodic performance checks with your Marine Dealer.
MEMO
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WARRANTY
Uniden MC 615 VHF Marine Radio Australian 1 Year Warranty.
(Accessories are covered for 90 Days only).
Note:
Please keep your sales docket as it provides evidence of warranty.
WARRANTOR: Uniden Australia Pty. Ltd. ACN 001 865498
ELEMENTS OF WARRANTY:
Uniden warrants to the original retail owner for the
duration of this warranty, its MC 615 VHF Marine Radio (hereinafter referred to as the
Product), to be free from defects in materials and craftsmanship with only the limitations
or exclusions set out below.
WARRANTY DURATION: This warranty to the original user shall terminate and be of
no further effect One (1) Year after the date of original retail sale. This warranty will be
deemed invalid if the product is (A) Damaged or not maintained as reasonable and
necessary, (B) Modified, altered, or used as part of any conversion kits, subassemblies,
or any configurations not sold by Uniden, (C) Improperly installed, (D) Repaired by
someone other than an authorised Uniden Repair Agent for a defect or malfunction
covered by this warranty, (E) Used in conjunction with any equipment or parts or as part
of a system not manufactured by uniden, (f) Installed, or serviced by anyone other than
an authorised Uniden Repair Agent, (G) Where the Serial Number label of the product
has been removed or damaged beyond recogni1ion.
PARTS COVERED: This warranty covers for 1 year; the Transceivet and Microphone
only. All accessories, (Leads, brackets, Clips, Screws etc), are covered for 90 days only.
STATEMENT OF REMEDY: In the event that the product does not conform to this
warranty at any time while this warranty is in effect, the warrantor will at its discretion,
repair the defect or replace the product and return it to you without charge for parts or
service. THIS WARRANTY DOES NOT COVER OR PROVIDE FORTHE REIMBURSEMENT OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL DAMAGES.
WARRANTY CARD: If a warranty card had been included with this product then please
fill it in and return it to us within 14 days of purchase. Your name and the serial number
of the product will then be registered in our database and this will help us to. process
your claim with greater speed and efficiency should you require warranty service.
PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY. In the event that
the Product does not conform to this warranty, the Product should be shipped or
delivered, freight pre-paid, with evidence of original purchase, (egl a copy of the sales
docket), to the warrantor at:
UNIDEN AUSTRALIA PTY.LTD. SERVICE DIVISION
345 Princes Highway, Rockdale, Sydney N.S.W.2216
Ph (02) 599 3100 Fx (02) 599 3278
Customers in other States should ship or deliver the Product
freight pre-paid to their nearest Uniden Authorised Repair Centre.
(Contact Uniden for the nearest Warranty Agent to you).
UTUA01844EZ
@ Copyright 1992 Uniden Australia Pty. Ltd.
Printed in the Philippines
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