Humminbird VHF255SW manual Marine Channels

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U.S. Marine Channels

 

Channel

Ship Transmit

Ship Receive

Use

 

No.

MHz

MHz

 

 

01A

156.050

156.050

Port Operations and Commercial, VTS*.

 

 

 

 

Available Only in New Orleans / Lower

 

 

 

 

Mississippi area.

 

05A

156.250

156.250

Port Operations or VTS in the Houston, New

 

 

 

 

Orleans and Seattle areas.

06

156.300

156.300

Intership Safety.

 

07A

156.350

156.350

Commercial.

08

156.400

156.400

Commercial (Intership Only).

09

156.450

156.450

Boater Calling. Commercial and Non-Commercial.

10

156.500

156.500

Commercial.

11

156.550

156.550

Commercial. VTS in Selected Areas.

12

156.600

156.600

Port Operations. VTS in Selected Areas.

13

156.650

156.650

Intership Navigation Safety (Bridge to Bridge).

 

 

 

 

Ships >20 m in Length Maintain a Listening

 

 

 

 

Watch on this Channel in U.S. Waters.

14

156.700

156.700

Port Operations. VTS in Selected Areas.

15

--

156.750

Environmental (Receive Only).

 

 

 

 

Used by Class C EPIRBs.

16

156.800

156.800

International Distress, Safety and Calling. Ships

 

 

 

 

Required to Carry Radio, USCG, and Most Coast

 

 

 

 

Stations Maintain a Listening Watch on this Channel.

17

156.850

156.850

State Control.

 

18A

156.900

156.900

Commercial.

 

19A

156.950

156.950

Commercial.

20

157.000

161.600

Port Operations (duplex).

 

20A

157.000

157.000

Port Operations.

 

21A

157.050

157.050

U.S. Coast Guard only.

 

22A

157.100

157.100

Coast Guard Liaison and Maritime Safety

 

 

 

 

Information Broadcasts. Broadcasts

 

 

 

 

Announced on Channel 16.

 

23A

157.150

157.150

U.S. Coast Guard Only.

24

157.200

161.800

Public Correspondence (Marine Operator).

25

157.250

161.850

Public Correspondence (Marine Operator).

26

157.300

161.900

Public Correspondence (Marine Operator).

 

 

 

 

 

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Contents Operations Manual Thank YOU Operator Warnings Com Table of ContentsSetup Menu Maintenance Troubleshooting HOW VHF Radio Works VHF255S IntroductionFeatures Overview Page To obtain an Mmsi assignment Maritime Mobile Service Identity MmsiGroup Mmsi VHF255S Controls Radio Base Station Front Page VHF255S Controls Radio Base Station Rear VHF255S Controls Microphone Handset 10 11 Whats on the DisplayDot Matrix Indicates special conditions or radio functions Indicates current channel selectedWatt VHF255S Fixed Mount radio base station Installation OverviewParts Supplied Radio Base StationMicrophone handset Microphone HandsetCables Connections Overview Decide Where to Install the Radio Base Station Install the Radio Base Station Radio Base Station Mounting Screws Gimbal Knobs Bracket Dash Nuts Recessed mounting brackets Connected to the radio before powering up the radio Install the Microphone Mounting BracketAttach the Antenna Cable to the Radio Mount the microphone onto the bracket Attach a GPS Receiver OPTIONAL-PURCHASE Using Your VHF255S You will need to obtain an FCC license if Before YOU USE Your RadioTo turn on the radio Selecting a Channel Adjusting SquelchTo select a channel Transmitting and Receiving Selecting HIGH/LOW PowerSelecting U.S./INTERNATIONAL/CANADIAN Bands Selecting a Weather Channel and Turning on Weather Alert ADDING/DELETING Channels TO/FROM Memory Accessing the 16/9 Priority ChannelsTo delete channels from memory Scanning Accessing Channels Saved to MemoryUsing the Transmit TIME-OUT Timer TOT To access saved channelsTo activate scan modes Using the Watch Monitor Modes To select a DSC call type Digital Selective Calling DSCDSC Call Types Exit Quits the DSC Call Type menu modeGroup Mmsi To make a Group callOpen the red cover over the Distress key Making a Distress CallSay that you will be monitoring Channel Mayday Mayday MaydayMaking Individual Routine Calls 4a. If the call is acknowledged, press PTT to talk Press the CH/ENTER key to initiate the callTo receive a DSC call Receiving CallsTo receive a Distress call To receive an All Ships call To receive a Distress Relay callTo receive a Geographic Area call To receive a Group callCall data is stored in the Call Log To receive an Individual callPosition Indication Resetting the RadioDistress Setup Menu Contact List To delete an entry from the Contact List LOCAL/DISTANT Backlight AdjustmentTo adjust the Contrast Contrast AdjustmentGPS/TIME Submenu GPS/TIME Submenu Manually Enter GPS Data GPS/TIME Settings Submenu Position Display ON/OFF GPS/TIME Submenu Settings SubmenuGPS/TIME Settings Submenu Time Offset Local Time GPS/TIME Settings Submenu Time Display ON/OFFGPS/TIME Settings Submenu Time Format Radio Setup Submenu To display an existing channel name Radio Setup Channel Name Display and EditingTo edit an existing channel name entry Radio Setup Ring Volume Adjustment Radio Setup Turning the Internal Speaker ON/OFF Radio Setup Beep Volume AdjustmentTo access the DSC Setup Submenu DSC Setup SubmenuDSC Setup Enter Your User Mmsi Group Mmsi To enter Group MMSIs DSC Setup Create and Manage Group MmsisTo delete a Group Mmsi To edit an existing Group Mmsi entryDSC Setup DSC Enable DSC Setup Individual ReplyDSC Setup Reset DSC Setup Position ReplyTroubleshooting MaintenanceVHF255S Doesnt Power UP No Sound from the Speaker Transmitting is Impossible Or High Power CAN’T be SelectedLOW Receiver Sensitivity Year Limited Warranty Humminbird Service Policy Returning Your Unit for Service Transmitter SpecificationsReceiver Use Marine ChannelsMarine Channels 157.350 161.950 International Marine Channels MHz 156.125 160.725 Canadian Marine Channels Commercial Fishing Only Menu Tree These menu choices appear when you press the DSC/MENU keyDSC Call Type List Setup Menu WwwNOTES..reelschematic..com WwwNOTES..reelschematic..com WwwNOTES..reelschematic..com Monday Friday 800 a.m. to 430 p.m. Central Standard Time Contact Humminbird
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VHF255SW specifications

The Humminbird VHF255SW is an advanced VHF marine radio designed for reliability and performance on the water. It is built for recreational boaters, offering a combination of essential features and cutting-edge technologies that enhance communication and navigation safety.

One of the standout features of the VHF255SW is its robust 25-watt output power, which provides extended range communication, allowing users to reach distant vessels and shore stations effectively. This high power output is crucial in emergency situations or when out on open water, ensuring that skippers can maintain contact when it matters most.

The radio is equipped with a built-in Class D Digital Selective Calling (DSC) capability, which is designed to enhance safety. This feature allows users to send a distress signal automatically to the coast guard and other vessels within the vicinity, including their location coordinates. The DSC functionality can be a lifesaver in case of an emergency, providing peace of mind for boaters.

Another key characteristic of the VHF255SW is its large, high-contrast LCD display, which is easy to read even in bright sunlight or at night. The multi-color display features adjustable backlighting, ensuring users can navigate and communicate effectively in various lighting conditions. The intuitive user interface simplifies operation, making it accessible for even the most novice boater.

Additionally, the Humminbird VHF255SW is equipped with a built-in GPS receiver, which allows for enhanced positioning and mapping capabilities. This integration enables users to access real-time information, making navigation smoother and more efficient. The unit also supports navigating to specific waypoints and routes, making it an excellent tool for fishing and exploring new waters.

The radio is designed with a rugged, waterproof housing that meets IPX7 standards, meaning it can withstand submersion in water for short periods. This durability ensures that it operates reliably in rough marine conditions. The Humminbird VHF255SW also features a noise-canceling microphone for clearer communication, minimizing background noise during transmissions.

In summary, the Humminbird VHF255SW blends important marine communication capabilities with advanced technology. Its combination of high output power, DSC functionality, built-in GPS, and a user-friendly interface makes it an invaluable asset for any boating enthusiast, ensuring safety and confidence on the water. With its rugged design and reliability, the VHF255SW is a smart choice for those who demand quality and performance from their marine radio.