Cobra MRF45 - Manual

Nothing Comes Close to a Cobra ® FCC Licensing Information 5 FCC LICENSING INFORMATION • 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 t...

Nothing Comes Close to a Cobra ® Voice Calling 7 Limits On Calling You 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. Cha...

Nothing Comes Close to a Cobra ® Maritime MobileService 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 s...

MAYDAY PAN SECURITE Nothing Comes Close to a Cobra ® Emergency MessagesAnd Distress Procedure 11 Marine Emergency Signals The three (3) spoken international emergency signals are: The distress signal MAYDAY is used to indicate that a station is threatened by grave and imminent danger and requests im...

For Example Nothing Comes Close to a Cobra ® Emergency Messagesand Distress Procedure 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 Corsa...

Nothing Comes Close to a Cobra ® VHF MarineChannel Assignments 15 Public Correspondence (Marine Operator) Channels 24, 25, 26, 27, 28, 60, 61, 84, 84A, 85, 85A, 86, 86A, 87, 87A, 88* For calls to marine operators at public coast stations. You can make and receive telephone calls through these statio...

Nothing Comes Close to a Cobra ® VHF MarineChannel Assignments 17 VHF Marine Radio Protocols Channel Use 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 Gove...

Nothing Comes Close to a Cobra ® VHF MarineChannel Assignments 21 Channel Use 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. (Gove...

Nothing Comes Close to a Cobra ® NOAA Weather ChannelsAnd Alert 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 weathe...

Nothing Comes Close to a Cobra ® Mounting AndPowering 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 Your Radio Choose a location for your radio where it will be conveniently accessible...

Nothing Comes Close to a Cobra ® Mounting AndPowering The Radio 29 Warning 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. Electric...

Nothing Comes Close to a Cobra ® Antenna RequirementsAnd 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 especia...

Nothing Comes Close to a Cobra ® External DevicesAnd Connections 33 Global Positioning System (GPS) Device (Not Included) 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 L...

Nothing Comes Close to a Cobra ® Getting Started 35 DSC Geographical Alarm Loud, continuous, medium-pitched, high-low tones (warble) — sounds when a geographical call is received. Press any button to turn it Off. DSC Position Request Alarm Medium-loud, continuous, low-pitched series of closely space...

Nothing Comes Close to a Cobra ® Getting Started 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. ■ Receiv...

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. To Adjust The Backlight Level: 1. Enter the Settings menu and scroll to LAMP ADJ (lamp adjustment) with the Up/Down b...

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 tabl...

43 Voice Transmission Operating Your Radio Transmit Power Output Your radio can Transmit selectively at 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 ...

Advanced Operation 45 Weather Alert Signal When NOAA broadcasts a Weather Alert signal and your radio is in the Weather Alert mode, you will hear a continuous audible tone and the radio will automatically switch to Weather Radio mode. The alert indicators will sound regardless of what channel you ar...

Advanced Operation 47 Scan During Scan, the radio will rapidly switch from channel to channel through all the channels. Whenever any activity is detected, the radio will stop the scan for ten (10) seconds to allow you to listen briefly on that channel. It will then continue to scan unless you switch...

DSC Set-Up 49 To Enter Your MMSI Number: 1. Enter the Settings menu and scroll to USER MMSI 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 di...

DSC Set-Up 51 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 automatically to all members of the group without having to call each one individually. Each member of the group must e...

DSC Set-Up 53 4. Press the Call/Set button to select the memory location. The cursor will begin to blink at the first character under 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...

2. Choose one (1) of the following: To Send An Automatic Distress Call: Press and hold the Distress button. To 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...

DSC Operation 57 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 lif...

DSC Operation 59 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 Ch...

DSC Operation 61 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 Of...

DSC Operation 65 Sending A Position 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. To Send A Position Send Message: 1. In Standby mode, select a channel on which you want...

Specifications 67 Specifications • General Number of Channels All U.S.A., Canadian, International and all 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 Transmit 5A @ High power 1A @ Low Temperature Range -20˚ C ...

Product Service 69 Product Service • If you have any questions about operation or installing yournew CobraMarine VHF product, 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 serv...

F lu s h M o u n t T e m p la te / P la n ti ll a p a ra m o n ta je e m p o tr a d o C u s to m e r S e rv ic e 71 U s e th e s u p p li e d te m p la te to m a rk a n d c u t a n o p e n in g in th e fl a t s u rf a c e . C A U T IO N B e fo re c u tt in g , b e s u re th e a re a b e h in d th e ...