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Cobra Electronics MR F75 - page 1
VHF MARINE RADIO MR F75 Pr inted in China P ar t No . 480-086-P Owner’ s Manual Nothing comes close to a Cobra ® English ...
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Cobra Electronics MR F75 - page 2
A1 English Our Thanks T o Y ou And Customer Assistance Introduction Thank you f or purc hasing a CobraMarine ™ VHF radio. Properl y used, this Cobra ® pr oduct will give you many y ears of reliable service. How Y our CobraMarine ™ VHF Radio W orks This radio is a VHF transceiver for fixed mounting on your boat. It gives you 2-way vessel-to-ves ...
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Cobra Electronics MR F75 - page 3
A3 English Micr ophone/Speaker And Pr oduct Features Introduction A2 English T ransceiver Contr ols, Indicators And Connections Introduction Dual Power Selectable to one (1) or 25 watts output power for near or distant calling. USA/International/Canada Channels Allows operation on any of the three (3) different channel maps established for these ar ...
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Cobra Electronics MR F75 - page 4
Introduction Nothing comes close to a Cobra ® Impor tant Safety Inf ormation 3 The following WARNINGS and CAUTIONS will make you aware of RF exposure hazards and how to assure you operate the radio within the FCC RF exposure limits established for it. WARNINGS Y our radio generates electromagnetic RF (radio frequency) energy when it is transmittin ...
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Cobra Electronics MR F75 - page 5
Nothing comes close to a Cobra ® FCC Inf ormation 5 FCC LICENSING INFORMA TION • CobraMarine ™ VHF radios comply with the FCC (Federal Communication Commission) requirements that regulate the Maritime Radio Service. This CobraMarine ™ radio incorporates a VHF FM transceiver designed for use in the frequency range of 156.025 to 163.275 MHz. I ...
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Cobra Electronics MR F75 - page 6
Nothing comes close to a Cobra ® V oice Calling 7 Limits On Calling Y ou must not call the same station for more than 30 seconds at a time. If you do not get a reply , wait at least two (2) minutes before calling again. After three (3) calling periods, wait at least 15 minutes before calling again. Change Channels After contacting another station ...
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Cobra Electronics MR F75 - page 7
Nothing comes close to a Cobra ® Maritime Mobile Service Identity (MMSI) 9 VHF Marine Radio Protocols Maritime Mobile Service Identity (MMSI) • An MMSI is a nine (9) digit number used on a marine radio capable of using digital selective calling (DSC). It is used to selectively call other vessels or shore stations and is similar to a telephone nu ...
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Cobra Electronics MR F75 - page 8
MA YDA Y P AN SECURITE Nothing comes close to a Cobra ® Emergency Messa ges And Distress Pr ocedure 11 Marine Emergency Signals The three (3) spoken international emergency signals are: The distress signal MA YDAY is used to indicate that a station is threatened by grave and imminent danger and requests immediate assistance. The urgency signal PA ...
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Cobra Electronics MR F75 - page 9
For Example Nothing comes close to a Cobra ® Emergency Messa ges And Distress Pr ocedure 13 Keep the radio nearby . Even after your message has been received, the Coast Guard can find you more quickly if you can transmit a signal for a rescue boat to hone in on. “Mayday — Mayday — Mayday” “This is Corsair — Corsair — Corsair” [or ? ...
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Cobra Electronics MR F75 - page 10
Nothing comes close to a Cobra ® VHF Marine Channel Assignments 15 Public Correspondence (Marine Operator) Channels 24, 25, 26, 27, 28, 84, 84A, 85, 85A, 86, 86A, 87, 87A, 88* For calls to marine operators at public coast stations. Y ou can make and receive telephone calls through these stations. P ort Operations Channels 1A* , 5A* , 12* , 14* , 2 ...
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Cobra Electronics MR F75 - page 11
Nothing comes close to a Cobra ® VHF Marine Channel Assignments 17 VHF Marine Radio Protocols Channel Us e 01 Public Correspondence (Marine Operator) 01A Port Operations and Commercial, VTS in selected areas 02 Public Correspondence (Marine Operator) 03 Public Correspondence (Marine Operator) 03A Government Only 04 Public Correspondence (Marine Op ...
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Cobra Electronics MR F75 - page 12
Nothing comes close to a Cobra ® VHF Marine Channel Assignments 19 Channel Us e 18 Port Operations, Ship Movement 18A Commercial 19 Port Operations, Ship Movement 19A Commercial 20 Canada (Coast Guard Only); International (Port Operations, Ship Movement) 20A Port Operations 21 Port Operations, Ship Movement 21A U.S. (Government Only); Canada (Coas ...
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Cobra Electronics MR F75 - page 13
Nothing comes close to a Cobra ® VHF Marine Channel Assignments 21 Channel Us e 63 Public Correspondence (Marine Operator), Port Operations, Ship Movement 63A Port Operations and Commercial, VTS in selected areas 64 Public Correspondence (Marine Operator), Port Operations, Ship Movement 64A U.S. (Government Only); Canada (Commercial Fishing) 65 Pu ...
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Cobra Electronics MR F75 - page 14
Nothing comes close to a Cobra ® VHF Marine Channel Assignments 23 Channel Us e 78 Public Correspondence (Marine Operator) 78A Non-Commercial (Recreational) 79 Port Operations, Ship Movement 79A Commercial (Also Non-Commer cial only in Great Lakes) 80 Port Operations, Ship Movement 80A Commercial (Also Non-Commer cial only in Great Lakes) 81 Port ...
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Cobra Electronics MR F75 - page 15
Nothing comes close to a Cobra ® NO AA W eather Channels And Aler t 25 NOAA Weather Channels And Alert • Monitoring the weather will probably be a frequent use of your radio. The National Oceanic and Atmospheric Administration (NOAA) provides continuous, around-the- clock broadcasts of the latest weather information. T aped weather messages run ...
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Cobra Electronics MR F75 - page 16
Nothing comes close to a Cobra ® Mounting And P owering The Radio 27 Installation And Start-Up Mounting And Powering The Radio • Before using your CobraMarine ™ VHF radio, it must be installed on your vessel. Installing Y our Radio Choose a location for your radio where it will be conveniently accessible with the following factors in mind: ■ ...
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Cobra Electronics MR F75 - page 17
Nothing comes close to a Cobra ® Mounting And P owering The Radio 29 W arning Sticker FCC regulations require that the Warning Sticker supplied with this radio be applied to a spot where it is easily seen by the radio operator . Be sure the location is clean and dry before applying the sticker . Electrical P ower Connection Y our CobraMarine ™ V ...
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Cobra Electronics MR F75 - page 18
Nothing comes close to a Cobra ® Antenna Requirements And Attachment 31 Installation And Start-Up Radio Operator Requirements Do not transmit when anyone is within the MPE radius of the antenna unless that person or persons are shielded from the antenna by a grounded metallic barrier . This is especially important on vessels with antennas mounted ...
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Cobra Electronics MR F75 - page 19
Nothing comes close to a Cobra ® External Devices And Connections 33 Global P ositioning System (GPS) Device (Not Inc luded) Cobra ® strongly recommends that you obtain and connect a GPS device to your CobraMarine ™ VHF radio. By having a GPS connected, your position will be continuously indicated on the LCD and, most importantly , it will be i ...
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Cobra Electronics MR F75 - page 20
Nothing comes close to a Cobra ® Getting Star ted 35 DSC Position Request Alarm Medium-loud, continuous, low-pitched series of closely spaced, four (4) beeps [three (3) short – one (1) long] groups — sounds when a position request call is received. Press any button to turn it Off . DSC Individual Alarm Medium-loud, continuous, medium-pitched, ...
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Cobra Electronics MR F75 - page 21
Nothing comes close to a Cobra ® 37 Standby And Receive Standby mode is the usual mode for the radio whenever it is turned On . From Standby Mode, You Can: ■ Change your radio’s settings using set-up routines. ■ Receive messages on the current channel as well as DSC messages. ■ Receive NOAA alerts if Weather Alert mode is turned On . ■ S ...
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Cobra Electronics MR F75 - page 22
Nothing comes close to a Cobra ® Set-Up Routines 39 LCD Backlight The LCD has a Backlight lamp to make it visible in the dark. This lamp can be adjusted for brightness or turned Off . T o Adjust The Backlight Level: 1. Enter the Settings menu and scroll to LAMP ADJ (lamp adjustment) with the Up/Down buttons . 2. Press the Call/Set button and obser ...
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Cobra Electronics MR F75 - page 23
Nothing comes close to a Cobra ® Set-Up Routines 41 U .S.A./International/Canada Channel Maps Three (3) sets of VHF Channel Maps have been established for marine use in the U.S.A., Canada, and the rest of the world (International). Most of the channels are the same for all three (3) maps, but there are definite differences (see table on pages 14 t ...
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Cobra Electronics MR F75 - page 24
43 Nothing comes close to a Cobra ® V oice T ransmission Operating Y our Radio T ransmit P ower Output Y our radio can T ransmit selectively at one (1) or 25 watts of power . Cobra ® suggests you maintain the low power setting for short-range communications and to avoid overpowering nearby stations with your signal. Use the high power setting for ...
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Cobra Electronics MR F75 - page 25
Nothing comes close to a Cobra ® W eather Radio And Aler t 45 NOAA All Hazards/W eather Radio And Aler t • NOAA broadcasts Weather information as described in the NOAA W eather Channels section on page 25 of this manual. Y ou can listen to one (1) or two (2) of these ten (10) receive-only channels at any time. NOTE Usually only one (1) or two (2 ...
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Cobra Electronics MR F75 - page 26
Nothing comes close to a Cobra ® Adv anced Operation 47 T ri-W atch T ri-Watch gives you one (1) button access to scan the three (3) locations of most importance to you. Channel 16 and Channel 9 will always be included as scanned locations. The remaining location will be the VHF channel in effect when you enter T ri-Watch mode. NOTE The radio must ...
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Cobra Electronics MR F75 - page 27
Nothing comes close to a Cobra ® Adv anced Operation 49 NOTE If there are fewer than two (2) channels tagged, the Memory Scan mode will not be available. [See page 48 under program memory channels to tag at least two (2) channels.] NOTE The radio must be squelched for t he Memor y Scan mode to function. See page 36 for squ elch procedure. T o Ente ...
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Cobra Electronics MR F75 - page 28
Nothing comes close to a Cobra ® DSC Set-Up 51 T o Enter Y our MMSI Number: 1. Enter the Settings menu and scroll to USERMMSI with the Up/Down buttons. 2. Press the Call/Set button and the blinking cursor will appear at the first digit under USER MMSI ID ENTRY . 3. Use the Up/Down buttons to scroll through the number list to that digit of your num ...
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Cobra Electronics MR F75 - page 29
Nothing comes close to a Cobra ® DSC Set-Up 53 Group MMSI Number Nautical organizations such as yacht clubs and the organizers of events such as regattas can establish Group MMSIs . These allow a message to be sent a utomaticall y to all members of the group without having to call each one individually . Each member of the group must enter the gro ...
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Cobra Electronics MR F75 - page 30
Nothing comes close to a Cobra ® DSC Set-Up 55 4. Press the Call/Set button to select the memory locat ion. The cursor will begin to blink at the first character u nder NAME . 5. Use the Up/Down buttons to scroll through the character list. 6. Press the Call/Set button to select a character . This will also move the blinking cursor to the next cha ...
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Cobra Electronics MR F75 - page 31
2. Choose one (1) of the following: a. T o Send An Automatic Distress Call: 1) Press and hold the Distress button. b. T o Send A Manual Distress Call: 1) Use the Up/Down buttons to move the arrow to MANUAL . 2) Press the Call/Set button to go to the position entry screen. 3) Use the Up/Down buttons to manually set the position of your vessel. 4) Pr ...
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Cobra Electronics MR F75 - page 32
Nothing comes close to a Cobra ® DSC Operation 59 Sending An All Ships Calls A DSC All Ships call is used for the same urgency and safety purposes as the Pan and Securite voice calls as well as to send routine messages to all stations at once. It will reach all stations within range of your radio. If you have an urgent, but not life-threatening, s ...
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Cobra Electronics MR F75 - page 33
Nothing comes close to a Cobra ® DSC Operation 61 Sending An Individual Call The DSC Individual call feature allows you to notify one (1), and only one (1), station that you want to communicate with that station. It does not alert all other stations within range that you will be sending a message as a voice call on Channel 16 or Channel 9 would. T ...
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Cobra Electronics MR F75 - page 34
Nothing comes close to a Cobra ® DSC Operation 63 Receiving A Group Call When another station makes a Group call to your radio, the individual alarm will sound, the caller will be identified on the LCD, and your radio will be switched to the channel selected by the caller , just as for an individual call. Press any button to turn Off the alarm. T ...
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Cobra Electronics MR F75 - page 35
Nothing comes close to a Cobra ® DSC Operation 65 c. If The Station Y ou Called Chose Not T o Reply: NO REPLY will show on your screen. Y ou will have two (2) choices: ■ RESEND the request. ■ EXIT the Position Request mode. a. T o Resend Y our Position Request: 1) Use the Up/Down buttons to scroll to RESEND . 2) Press the Call/Set button. b. T ...
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Cobra Electronics MR F75 - page 36
Nothing comes close to a Cobra ® DSC Operation 67 Sending A P osition Send Position Send uses your connected GPS in similar fashion to the position request function, except that you initiate the activity to let another station know where you are. T o Send A Position Send Message: 1. In Standby mode, select a channel on which you want to communicat ...
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Cobra Electronics MR F75 - page 37
Nothing comes close to a Cobra ® DSC Operation 69 Call W aiting Call Waiting functions similarly to the caller ID function on your telephone. It will capture the caller’ s MMSI identification number and any other data included in a DSC message. NOTE The cal l w aiti ng memor y can hold up to 20 messages. Once the memory becomes full, each new ca ...
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Cobra Electronics MR F75 - page 38
Nothing comes close to a Cobra ® Specifications 71 Specifications • General Number of Channels All U.S.A., Canadian, and International 10 NOAA Weather Channels Channel Spacing 25 kHz Modulation 5 kHz Max. Input Voltage 13.8 VDC Current Drain: Stand-by 20 mA Receive 200 mA T ransmit 5A @ High power 1A @ Low T emperature Range -20˚ C to 60˚ C Un ...
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Cobra Electronics MR F75 - page 39
Nothing comes close to a Cobra ® Pr oduct Ser vice 73 Product Service • If you ha ve any questions about operation or installing y our new CobraMarine ™ VHF pr oduct, or if you are missing parts… Please call Cobra ® first! DO NOT RETURN THIS PRODUCT TO THE STORE! See customer assistance on page A1. If your product should require factory ser ...
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Cobra Electronics MR F75 - page 40
Nothing comes close to a Cobra ® 75 Flush Mount T emplate Customer Service Use the supplied template to mark and cut an opening in the flat sur face. CAUTION Before cutting, be sure the area behind the flat surface is clear of any instruments or wires that might be damaged in the process. 74 English Or der Form And Optional Accessories Customer Se ...
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