User manual HUMMINBIRD VHF255SW OPERATIONS MANUAL

[. . . ] Humminbird® VHF255S / VHF255SW Operations Manual 531469-1_A THANK YOU! Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation by designing and manufacturing top-quality, thoroughly reliable marine equipment. Your Humminbird® is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird® does require repairs, we offer an exclusive Service Policy - free of charge during the first three years after purchase, and available at a reasonable rate after the three-year warranty period expires. [. . . ] The following choices will be displayed: Urgency, Safety, and Routine. Select one of those three choices to see another submenu that gives you the choice to Send or Cancel the All Ships call type. Press the CH/Enter knob again to send the call type selected, or press the 16/9 key to quit. Once the call is sent, the text area of the LCD will momentarily show the Calling All Ships message. The radio will then return to normal VHF operation on Channel 16 with high power, except ROUTINE. To make a Group call: This feature allows you to contact a group of specific vessels using DSC and to switch to a desired channel automatically. Select the group that you want to call, then select the channel Press the CH/ENTER knob to send the group call. Once the call is sent, the Text area of the LCD will momentarily show the Calling group message. Once the group call is sent, the radio will return to normal VHF with the designated channel. MAKING A DISTRESS CALL The DISTRESS key is used to make a Distress call. A Distress call will send out the position and time information from the input NMEA data along with your MMSI number. This digital information lets other ships and shore stations equipped with appropriate DSC equipment know where you are and that you are in a distress situation. WARNING: Unless you need immediate help, NEVER use the DISTRESS key. Violators can face felony charges, prosecution, significant fines, and/or incarceration. NOTE: You can only initiate a Distress call when you have a MMSI assigned to your radio and you have DSC enabled. See the Maritime Mobile Service Identity (MMSI) section for more information. NOTE: For more information about using your radio in a distress situation and how to comply with Coast Guard regulations, refer to http://www. navcen. uscg. gov/marcomms/. Refer to the FCC website: http://wireless. fcc. gov/marine/ for general and technical VHF Marine Radio license, specifications, and regulation information. 1. The text area of the LCD will reconfigure to show the Distress submenu, shown below: DISTRESS CALL >UNDESIG FIRE FLOODING COLLISION GROUNDING LISTING SINKING ADRIFT ABANDONING PIRACY MANOVERBD EXIT DISTRESS CALL >UNDESIG COUNTING DOWN. . . If you have enough time, rotate the CH/ENTER knob to select the type of Distress call. Hold down the DISTRESS key for more than 3 seconds, until you see the DISTRESS CALL SENT message on the LCD. The entire LCD will flash and beep loudly. 41 NOTE: If you release the DISTRESS key before 3 seconds have passed, the Distress call will not be sent; if you hold down the DISTRESS key for more than 3 seconds, the Distress call will be sent whether channel 70 is busy or not. When a Distress call is sent, the acoustic alert sounds as a continuous tone until acknowledgement is received or you cancel the Distress call. 5. [. . . ] Ships >20 m in Length Maintain a Listening Watch on this Channel in U. S. Ships Required to Carry Radio, USCG, and Most Coast Stations Maintain a Listening Watch on this Channel. Public Correspondence (Marine Operator). 05A 06 07A 08 09 10 11 12 13 156. 250 156. 300 156. 350 156. 400 156. 450 156. 500 156. 550 156. 600 156. 650 156. 250 156. 300 156. 350 156. 400 156. 450 156. 500 156. 550 156. 600 156. 650 14 15 16 156. 700 -156. 800 156. 700 156. 750 156. 800 17 18A 19A 20 20A 21A 22A 156. 850 156. 900 156. 950 157. 000 157. 000 157. 050 157. 100 156. 850 156. 900 156. 950 161. 600 157. 000 157. 050 157. 100 23A 24 25 26 157. 150 157. 200 157. 250 157. 300 157. 150 161. 800 161. 850 161. 900 78 U. S. Ship Transmit Ship Receive MHz MHz Use 27 28 63A 157. 350 157. 400 156. 175 161. 950 162. 000 156. 175 Public Correspondence (Marine Operator). [. . . ]