Uniden MC 722 User manual

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MC 722 -90 CHANNEL
MARINE RADIOTELEPHONE
OWNER'S MANUAL
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UNIDEN MC 722
The UNIDEN MC 722 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 722 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 regard-
less of changes in craft or geographic locations. The unit may be mounted in any
number of convenient locations by utilizing the universal mounting bracket. All
legally available Australia and international channels are provided. The technical ex-
cellence of the UNIDEN MC 722 is demonstrated by the multiplicity of uses for
which it has been found acceptable by the Department of Communications. The
UNIDEN MC 722 is acceptable for compulsory use on "party boats," for use on
vessels subject to the Great lakes Radio Agreement or bridge-to-bridge requirements,
for Canadian registered craft, for general pleasure and commercial vesselsand certain
land stations in marine service.
The UNIDEN MC 722 is of all solid state design with conservatively rated rugged
components and materials compatible with the marine environment. The transceiver
utilizes 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 722 will operate only with a nominal 12 volt negative
ground battery system.
CHOOSING A LOCATION
1. Select a location that is free from spray and splash.
2. Select a location that minimizes exposure to direct sunlight (including that com-
ing through windows).
3. Select a location that allows free air flow around the heat sink on the rear of the
radio.
4. Select a location well away from the ship's compass. Auxiliary speakers also
should be located away from the compass.
5. Select a location as close to the battery as possible (in order to keep battery leads
as short as possible). Direct connection to the battery is most desirable. If direct
connection cannot be made with the supplied power lead, any extension should
be made with at least #10 AWG wire.
ENGINE NOISE SUPPRESSION
Interference from the impulse noise generated by the electrical systems of engines is
sometimes a problem with radios. The MC 722 has been designed to be immune 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 leads and accessory cables should be routed away from the
engine and engine compartments 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 UNIDEN Dealer.
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ANTENNA CONSIDERATIONS
1. Keep the antenna lead as short as possible. Long antenna leads can cause substan-
cial loss of performance for both receiving and transmitting.
2. Locate your antenna as high as possible and clear from metal objects. The reliable
range of coverage is a direct function of antenna height. The general rules for
antennas are: The more gain the greater the range and, the higher above the water
line the greater the ranger.
MOUNTING CONSIDERATIONS
Keep in mind the flexibility designed into the MC 722 so that you can most con-
veniently use your radio. The points which should be considered are:
1. Universal mounting bracket may be installed on either top or bottom for shelf
bulkhead, or overhead mounting.
2. The microphone connector faces forward allowing convenient in-dash or "built-
in" installations.
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3. The front panel can be fully reversed to provide for optimum viewing area, operat-
ing for any mounting position.
4. The EXTERNAL speaker jack may be used with an auxiliary speaker in lieu of the
built-in speaker.
5. All connections are "plug-in" type for easy removal of the radio.
ACTUAL INSTAllATION
After carefully considering the various factors affecting choice of location, position
the radio (with bracket, microphone, power plug, antenna plug and any auxiliary
plugs installed) into the selected location to assure there is no interference with
surrounding items. Mark 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 mount-
ing 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.
REAR PANEL CONNECTORS
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1. EXTERNAL SPEAKER CONNECTOR--If it is desired to use a speaker other than
the one in the radio, a four or eight ohm speaker equipped with a miniature phone
plug may be connected to this jack. The internal speaker is disabled when an
external speaker is used.
2. INTERCOM CONNECTOR--When using the intercom feature, a four or eight ohm
speaker with a miniature phone plug should be connected to this jack. Refer to the
section for intercom operation.
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3. HAIL CONNECTOR--The speaker used for the hail function is plugged into this
jack. The speaker may be either four or eight ohms impedance and should be
suitable for the environment in which it is located. The plug must be a miniature
phone plug.
4. 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. Wire directly to battery for best result.
5. ANTENNA CONNECTOR--This connector is for connection of the antenna. A
type PL259 connector is required to make proper connection.
6. MEMORY SWITCH--When this switch is "ON", the microprocessor is continuous-
ly energized. This retains the scan memory and programmed priority channel. The
small amount of battery drain (3mA) caused by the continuous "ON" state of the
switch is insignificant and will not cause a battery drain problem. CAUTION! If
power is supplied through the ignition switch, the memory can be lost regardless
of the position of the switch.
FRONT PANEL CONTROLS AND LCD DISPLAY
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1. LIQUID CRYSTAL DISPLAY (LCD)--Provides indication of channel and
functions even in brightest sunlight.
2. MICROPHONE CONNECTOR--Receptacle for microphone connection. When
microphone is keyed, LCD displays "TX."
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 automatically goes to Channel 16.
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REVERSING THE FRONT PANEL
(5) TURN UNIT OVER AND CAREFULLY
REMOVE COVER CABINET.
PULL UP FROM REAR FIRST.
(1) LOOSEN FOUR SCREWS OF
APPEARANCE COVER (PLASTIC
COVER)
(4) DISCONNECT SPEAKER
WIRES FROM MAIN PCB
(7) TI LT FRONT PANEL.
(8) REPLACE FOUR SCREWS TO
SECURE FRONT PANEL TO
CHASSIS.
(3) REMOVE
SPEAKER CABINET
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(21REMOVE FOUR SCREWS I
FROM SPEAKER CABINET i
(9) CAREFULLY REPLACE COVER CABINET ON BOTTOM OF RADIO.
INSERT UNDER FRONT PANEL FIRST AND THEN LOWER AT REAR OF RADIO.
(10) TURN RADIO OVER AND RECONNECT SPEAKER WIRE LEADS.
(11) REPOSITION SPEAKER CABINET ON TOP OF RADIO AND REPLACE FOUR
SCREWS TO SECURE THE HOUSING.
(12) RETIGHTEN FOUR APPEARANCE COVER SCREWS.
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GENERAL
Channels
Frequency Control Method
Antenna Impedance
Speaker (Internal)
Microphone
Channel Display
DOC Approval
Frequency Stability
Operating Temperature Range
Shock and Vibration
Dimensions
Weight
Controls
Selector Switches
Program Switches
Connectors
Frequency Range
Lights and Indicators
Standard Accessories
Supply Voltage
Standby Drain
Transmit Drain
TRANSMITTER
Power Output
Modulation
Hum and Noise Attenuation
Audio Distortion
Spurious Emissions
Output Transistor Protection
Output Power Stabilization
RECEIVER
Sensitivity
20 dB quieting
12 dB sinad
Squelch Sensitivity (EIA)
Spurious and Image Rejection
Intermodulation Rejection
Selectivity (ErA)
Audio Output Power @ 10%
Dist with 4 ohm speaker
IF Frequencies
Hum and Noise Level (EIA)
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SPECIFICATIONS
: Transmit-55, Receive-90
: PLL synthesizer and microprocessor
: 50 ohms, nominal
: 2.85 inch, 8 ohms
: Rugged 600 ohm dynamic element with coiled cord and plug-in
connector
: LCD alpha numeric readout.
: Type approved under Australia Department of Communications
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: -200 C to +500 C
: Meets or exceeds EIA standards
: 7-1/4"W(185mm) x 9-7/8"L(250mm) x 2-1/4"H(58mm)
: 4.5 pounds
: On-off/volume, squelch and dimmer controls
: 1W/25W, intl/USA, instant ch 16, watch, hail, scan, manual channel
selector and memory backup
: Watch program, enter and delete
: Antenna, microphone, external speaker, DC power, hail, intercom.
: 156 to 158 MHz transmit, 156 to 163 MHz receive
: Channel number and scan list status, TX, WX, WATCH, scan, hail, USA,
international, 25W, 1W and back lighted key board.
: Plug-in microphone, mounting bracket and hardware. DC power cord,
mike hanger, spare fuse, owner's manual, warranty card
: 13.8V DC negative ground
: 1.2A at rated audio output - 0.6A squelched
: 4.5A at 25W output - 1A at 1W output
: 25 or 1 watt (switch selectable)
: FM, 15 kHz deviation (FCC designator 16F3)
: 45 dB
: Less than 5%
: -70 dB
: Built-in
: Built-in automatic level control (ALC)
: -114 dBm
: -117dBm
: 0.20 pV
: 75 dB
: 70 dB @0.3 pV
: 50 dB @ 30 pV
:35dB@300pV
: 70 dB
: 3.5 watts minimum
: 1st---21.4MHz, 2nd---455kHz
: 50 dB
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VHF FM MARINE RADIOTELEPHONE
CHANNELS AND FUNCTIONS
(INTERNATIONALCHANNEL)
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CHANNEL FREOUENCY(MHz) TYPE SHIP SHIP
DESIG SHIP SHORE TRAFFIC TO SHIP TO SHORE
WXl -162.550 NOAA Weather RX Only RX Only
WX2 -162.400 NOAA Weather RX Only RX Only
WX3 -162.475 NOAA Weather RX Only RX Only
WX4 -- 162.425 NOAA Weather RX Only RX Only
WX5 -162.450 NOAA Weather RX Only RX Only
WX6 -162.500 NOAA Weather RX Only RX Only
WX7 -162.525 NOAA Weather RX Only RX Only
WX8 -161.650 Can. Weather RX Only IRX Only
WX9 -161.775 Can. Weather RX Only RX Only
01 156.050 160.650 VTS Yes Yes
02 156.100 160.700 Port Ops Yes Yes
03 156.150 160.750 Port Ops Yes Yes
04 156.200 160.800 Port Ops Yes Yes
05 156.250 160.850 VTS Yes Yes
06 156.300 156.300 Safety Yes No
07 156.350 160.950 Com'l Ye:; Yes
08 156.400 156.400 Com'l Yes No
09 156.450 156.450 Com'l & Non Com'l Yes Yes
10 156.500 156.500 Com'l Yes Yes
11 156.550 156.550 Com'l Yes Yes
12 156.600 156.600 Port Ops Yes Yes
13 156.650 I156.650 Navigational Yes Yes
14 156.700 156.700 Port Ops Yes Yes
15 156.750 156.750 Environmental Yes Yes
16 156.800 156.800 Safety Calling Yes Yes
17 156.850 156.850 State Control Yes Yes
18 156.900 161.500 Com'l Yes Yes
19 156.950 161.550 Com'l Yes Yes
20 157.000 161.600 Port Ops Yes Yes
21 157.050 161.650 Coast Guard Yes Yes
22 157.100 161.700 Coast Guard IYes Yes
23 I 157.150 161.750 Coast Guard IYes Yes
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157.200 161.800 Public Corresp. No. Yes
25 157.250 161.850 Public Corresp. No Yes
26 157.300 161.900 Public Corresp. No Yes I
27 157.350 161.950 Public Corresp. No Yes
28 157.400 162.000 Public Corresp. No Yes
60 156.025 160.625
61 156.075 160.675
62 156.125 160.725
63 156.175 160.775
64 156.225 160.825
65 156.275 160.875 Port Ops Yes Yes
66 156.325 160.925 Port Ops Yes
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Yes
67 156.375 156.375 Com'l Yes No
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156.425 156.425 Non Com'[ Yes Yes
69 156.4 75 156.475 Non Com'l Yes Yes
70 156.525 156.525 Non Corn'!
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Yes No
71 156.575 156.575 Non Com'l Yes Yes
72 156.625 156.625 Non Com'l Yes No
73 156.675 156.675 Port Ops Yes Yes
74 156.725 156.725 Port Ops Yes Yes
77 156.875 156.875 Port Ops Yes No
78 156.925 161.525 Non Com'l Yes Yes
79 156.975 161.575 Corn'! Yes Yes
80 157.025 161.625 Com'l Yes Yes
81 157.075 161.675 Coast Guard Yes Yes
82 157.125
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161.725 US Gov Only Yes Yes
83 157.175 161.775 Coast Guard Yes Yes
84 157.225 161.825 Puulic Corresp. No Yes
85 157.275 161.875 Public Corresp. No Yes
86 157.325 161.925 Public Corresp. No Yes
87 157.375 161.975 Public Corresp. No
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Yes
88 157.425 162.025 Corn'! Yes No

CARE AND MAINTENANCE
Your MC722 is a precision piece of electronic equipment and you should treat it
accordingly. Due to the rugged design, very little maintenance is required, howe.ver, a
few precautions should be observed.
If your radio has been accidentally subjected to spray or splash, you should im-
mediately wipe it down with a soft cloth dampened with fresh water.
If the antenna has been damaged, you should not transmit except in the case of
emergency. Adefective antenna may cause damage to your radio.
You are responsible for the continued FCC technical compliance of your radio.
You are urged to arrange for periodic performance checks with your UN IDEN
Marine Dealer.
SERVICE
Should you find it desirable or necessary to have service performed on your MC 722,
you are urged to contact the UNIDEN Dealer from whom you made your purchase.
He, or any other UNIDEN dealer is able to provide you with complete service
performed by well qualified personnel.
If you require service that is within the terms of your warranty, you should present
the validated WARRANTY CARD to your dealer to authenticate your claim. Your
WARRANTY CARD is your passport to easy service. This card is to be completed by
your dealer at the time of purchase. Other suitable documents which clearly establish
ownership and date of purchase may be used in lieu of the WARRANTY CARD.
If you find it inconvenient to have service performed by your local UN IDEN Marine
Dealer, you may also obtain service from the Factory Service Station. If you require
factory service, please pack your radio in a suitable container which will provide
adequate protection, enclose a note describing the problem, and a copy of your
validated WARRANTY CARD, or other proof-of-purchase documents and return
(transportation prepaid) to: Santronic Agencies Pty Ltd.
13 Garema Circuit, Kingsgrove
Phone [phone]
P.O. Box 12, Kingsgrove, NSW 2208
If the service you require is not within the terms of the warranty, you should specifi-
cally include written authorization to proceed with service and to agree to appro-
priate charges.
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uniden@
12 MONTHS FULL WARRANTY
WARRANTOR. SANTRONIC AGENCIES PTY. LTD. 13 Garema Circuit,
Kingsgrove MSW 2208 ("SANTRONIC"I.
ELEMENTS OF WARRANTY. SANTRONIC warrants, for the duration of this
warranty, its UNIDEN Marine Product to be free from defects in materials and
craftsmanship with only the limitation or exclusions set out below.
WARRANTY DURATION. This Warranty shall terminate and be of no further effect
One (1) year after the date of original purchase of the Product or at the time the
Product is (a) damaged or not maintained as reasonable and necessary, (b) modified,
(c) improperly installed, (d) is repaired by someone other Warrantor for a defect or
malfunction covered by this Warranty, or (e) used in a manner or purpose for which
the Product was not intended.
PARTS COVERED. This Warranty covers all components of the Products.
STATEMENT OF REMEDY. In the event that the Product does not conform to this
Warranty at any time while this Warranty is effective, Warrantor will repair the defect
and return it to you prepaid, without charge for parts, service, or any other costs
incurred by Warrantor or its representatives in connection with the performance of
this Warranty. In addition, if the Product contains a defect or malfunction which is
not repaired after a reasonable number of attempts by Warrantor to repair the
Product, the Product or defective component will at our discretion, will be replace
without charge, when the defective product is delivered to the warrantor at 13
Garema Circuit Kingsgrove NSW 2208 free and clear of all liens and encumbrances.
Please note that while the Product will be remedied under this Warranty without
charge. THIS WARRANTY DOES NOT COVER OR PROVIDE FOR THE REIM-
BURSEMENT OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES.
Some states do not allow this exclusion or limitation of incidental or consequential
damages, so the above limitation or exclusion may not apply to you.
PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY. In the event
that the Product does not conform to this Warranty, the Product should be shipped
prepaid to Warrantor at 13 Garema Circuits Kingsgrove NSW 2208. THE ORIGINAL
OR COpy OF THE SALES RECEIPT OR OTHER VALID EVIDENCE OF THE
DATE OF THE ORIGINAL PURCHASE MUST ACCOMPANY THIS PRODUCT.
LEGAL REMEDIES. This Warranty gives you specific legal rights, and you may also
have other rights which vary from state to state.
Sanlronlc )
AGENCIES PTY. LTO.
13 GAREMA CIRCUIT, KINGSGROVE
PHONE [phone], TELEX AA73170
P.O. Box 12, Kingsgrove, NSW2208
BRISBANE: 3/12 RANDALL ST
SLACKS CREEK, OLD 4127
PHONE [phone]
UTSNO1773BZ @Copyright 1984 Uniden Corporation Printed in Taiwan
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