uniden—
MC 615 (AUS) AUSTRALIAN EDITION
MARINE RADIOTELEPHONE
OWNER'S MANUAL
UNIDEN MC615
The UNIDENMC 615VHF marine radio transceiver has been designed togiveyou 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 outlast your present vessel
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 utilizing the universal mounting bracket.
The UNIDEN MC 615 is of ail 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 splashproot housing for protection of the electronics.
-2-
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 iocation 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. Universalmountingbracket 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"
instailations.
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.
AH' 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.
-3-
ANTENNA CONSIDERATIONS
A variety of antennas is available from a number of quality suppiiers. 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 rules for antennas are: The more gain the greaterthe 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 factors 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. Connection directly to the battery is most
desirable, tf 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. Keepthe 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 height.
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 airflow aroundthe 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.
- 4 -
FRONT PANEL CONTROLS AND INDICATORS
(I) o
1 ROTARY CHANNEL SELECTOR-Selects the desired channel. LED Numerical
channel display shows CH-01 through CH-88.
2 MICROPHONE CONNECTOR - Receptable tor 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 o1 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 CHI6 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 LEDiNDlCATOR-Glowsredin the transmit mode. The transmit lamp is operated
from the actual presence of power transmitted to the antenna.
5-
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
1 REMOTE SPEAKERCONNECTOR'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 (5) 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.
-6-
CHANNELS AND FUNCTIONS
CHANNEL
DES4G
01
02
03
04
05
06
07
OS
09
10
11
12
13
14
15
ie
17
18
19
20
21
22
23
24
25
26
27
28
60
61
62
63
64 156.225 160.825
65
66
67
€S
69
71
72
73
74
77
78
79
80
81
82
83
84
85
87
87 A
88
FREQUENCY (MHz)
SHIP SHORE
156.050
156,100
156,150 160-750
156-200 160-800 YES YES
156-250
156.300
156.350 160.950
156,400 156,400
156 450 156.450
156,500 156.500
156.550
156-600
156.650
166.700
156.750
156.800 156 800
156.850
156.900
156.950 161,550 YES YES
167.000 161.600
157-050
167-100
157.150 161.750
157.2X 161.800
157,250 161,850
157,300 161 900
157,350 161-950
157,400 162.000
156.025
156.075 160-675
156.125 160.725
156.175 160.775
156.275 160.875
156.325 160.925
156,375 156.375
156,425 156.425
156 475 156,475
156,525 156.575
156,575 156.625 Non COml/Ocnil/Porl OP«
156.625
156 675 156,725
156,725 156,876
156,875 161,526 Commercial
156.925 161,676 Pon ops
156 975
157 025 161,676
157,075 161-725
157.125 161.775
157.175 161.825 Public Conesp NO
157,225 161.875 Public Conesp
157,275 161.925 Public Conesp
86
157.326
167.375 157,375
157.425
160.650
160.700
160.850
156.300
156.550
156.600
156,650
156,700
156,750
156,850
161,5X
161.650
161.700
160.625
156,675
161.625
161,975
162.025
TYPE
TRAFFIC
Public Cprresp
Public Conesp
Public Con asp
Public Ccrresp
SAA/Pon OPs/CorrVt
Public Cpnecp
Poll Opa
Pon Ops
Port Ops
Port OPs
Ship Navigdtcirti^ort OP«
Port OPs
Distress, saiat^,
VHF +A4 n0p«alers/№n OPa
VHP MM Repaalais
Public Con asp
Public Conesp
Public Conesp
Public Conesp
Public Conesp
Public Corresp
Public Conesp
Public Conesp
Public Conesp
Public Conesp
Public Conesp
DISTRESS, Safel/
Port Ops
Non Com'l YES YES
Commercial YES YES
Non Com'j YES NO FISH
VHF MM Repealers YES YES
Coast Guarrt YES YES CG
VHP MM Repealers YES YES
Coast Guaid
Public Corresp NO YES TEL
Public Corresp NO YES TEL
SHIP
TO SHIP
NO YES TEL
NO YES TEL
NO YES
NO YES TEL
YES YES
NO YES TEL
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 YES
YES YES
NO YES TEL
NO YES
NO
NO YES TEL
NO YES TEL
NO YES TEL
NO YES
NO
NO YES TEL
NO YES TEL
NO
NO YES
NO YES TEL
YES
NO
YES YES
YES YES FISH
YES NO FISH
YES YES
NO YES
YES YES CG
NO YES
NO YES
SHIP
TO SHORE
YES
YES TEL
YES
YES
YES
YES
PERMANENT
SCAN LIST
TEL
TEL
TEL
TEL
TEL
TEL
TEL
_ 7 ^
SPECIFICATIONS
GENERAL
Channels : Transmit 55
Frequency Control ;
Method
Antenna Impedance : 50 ohms, nominal
Speaker : 1.82 inch, 8 ohms
Microphone :
Channel Display : LE.D
Receive 55
PLL synthesizer
Rugged 600 ohms dynamic element with coiied cord and
plug-in connector
Frequency Stability :
Operating Tempera- :
ture Range
Shock and Vibration : Meets or exceeds ElA standards
Size :
Weight ;
Controls ;
Connectors :
Frequency Range :
Selector Switches :
Lights and Indicators :
Standard Accessories
Supply Voltage
TRANSMITTER
Power Output
Power Requirement
Modulation : FM, ±5kHz deviation
-(■ 0.001%
0“C to 55“C
7-1/4' W (185nVm) X 9-5/8”L (245m/m) x (58m/m)
3.1 Lbs (1.4 Kg)
On-Off/Volume, Squelch
Antenna, microphone, remote speaker, DC power
156 to 158 MHz transmit
156 to 163 MHz receive
1W/25W power, DiM/BRiT, CHI 6 & main channel selector
switches
: Red (Transmit, 1 Watt & CH16 LEO), Green (7 segment LED-
Channel Readout)
: Plug-in microphone, mounting bracket and hardware, DC
power cord, mike hanger, spare fuse, owner's manual.
: 13.8V DC negative ground
: 25 or 1 watt (switch selectable)
: 25 watts output: 5.0A@13.8VDC
Iwattoutput: 1.0A@13.8VDC
-8-
Hum and Noise
Attenuation
Audio Distortion
Spurious Suppression
Output Transistor
Protection
Output Power
Stabilization
RECEiVER
Sensitivity
Threshold Squelch
Sensitivity
Tight Squelch
Sensitivity
Spurious Response
Attenuation
image Response
Attenuation
intermodulation
Attenuation
Adjacent Channei
Rejection Selectivity
Audio Output Power
Power Requirement
IF Frequencies
Hum and Noise Level
1 45 dB
: Less than 5%
at 3 kHz deviation with 1000 Hz modulating
frequency
-65 dB
Built-in
Buitt-in automatic level control (ALC)
0.30 fiV for 12 dB SINAD
0.50 for 20 dB S/N
0,18/iV_
1.0 wV
90 dB
75 dB
70 dB @0.3^V desired
50 dB @30/iV desired
35 dB @300/iV desired
75 dB
■f 7.5 kHz @ 6 dB down
-r-15 kHz @ 60 dB down
3.5 watts minimum at 10% distortion at 1 kHz modulation
and 3.0 kHz deviation (4 ohm speaker}
0.2A@ 13.8V DC squelched
0.6A @ 13.8V DC at rated audio output
1st -16.9 MHz
2nd - 455 kHz
50 dB
NOTE: Ail specifications comply with the ministerial STD 274 (MS274)
-9-
REVERSING THE FRONT PANEL
{8) CAREFULLY REPLACE COVER CABINET ON BOTTOM OF RADIO. INSERT UNDER FRONT
PANEL FIRST AND THEN LOWER AT REAR OF RADIO,
(9) TURN RADIO OVER.
(101 REPOSITION CABINET ON TOP OF RADIO AND REPLACE FOUR SCREWS TO SECURE THE
HOUSING.
(II)RETIGHTEN FOUR APPEARANCE COVER SCREWS,
- 10 -
CARE AND MAINTENANCE
Your MC615 is a précision piece of eiectronic equipmeni and you shouid treat it
accordingiy. Due to the rugged design, very iittie maintenance is required, however, a
few precautions shouid be observed.
If your radio has been accidentaiiy subjected to spray or spiash you should immediateiy
wipe it down with a soft doth dampened with fresh water.
if the antenna has been damaged, you shouid 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
11 -
WARRANTY
Uniden MC 615 VHP 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 001 865 498
ELEMENTS OF WARRANTY: Uniden warrants to the original retail owner for the
duration of this warranty, itsMC 615 VHP 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
deenned 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 equipmentor partsor 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 recognition.
PARTS COVERED; This warranty covers for 1 year; the Transceiver and Microphone
only. All accessories, (Leads, brackets. Clips, Screws etc), are covered tor 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 NOTCOVER OR PROVIDE FORTHE REIMBURSE
MENT OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL DAMAGES,
WARRANTY CARD: It 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, (eg/ 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 Slates 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).
UTUA01S44EZ © Copyright 1992 Uniden Australia Pty. Ltd. Printed in the Philippines
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