Humminbird VHF255SW manual

Humminbird® VHF255S / VHF255SW Operations Manual 531469-1_A[...]

1 THANK YOU! Thank y ou for choosing Humminbird®, America's #1 name in fishfinder s. Humminbird® has built its reputation by designing and manuf acturing top-quality , thor oughly reliable marine equipment. Y our Humminbird® is designed for tr ouble-free use in even the harshest marine envir onment. In the unlikely event that y our Humminbi[...]

2 OPERA T OR W ARNINGS This r adio will transmit/receiv e on channels that are restricted in the U.S. T o operate on these channels you must ha ve explicit permission from the proper governmental authority . Refer to the list of U.S. channels in this manual and look under the “T ype of T raffic” column to find out whether a particular chosen ch[...]

3 T ABLE OF CONTENTS VHF255S Introduction 6 How VHF Radio W orks 6 Featur es Overview 7 Maritime Mobile Service Identity (MMSI) 9 VHF255S Controls - Radio Base Station F ront 11 VHF255S Controls - Radio Base Station Rear 13 VHF255S Controls - Micr ophone Handset 14 W hat's On the Display 15 Installation Overvie w 17 P arts Supplied 17 Connecti[...]

4 10. Accessing Channels Saved to Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 11. Using the T ransmit Time-Out Timer (TO T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 12. Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

5 Maintenance 71 T roubleshooting 71 VHF255S Doesn't Pow er Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 No Sound from the Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 T ransmitting is Impossible, or High Pow er Can’t Be[...]

6 VHF255S INTRODUCTION The Humminbir d® VHF255S represents state-of-the-art high tech VHF r adio engineering, and is skillfully designed and constructed with the finest components. It is constructed to commercial- grade standar ds to give you clear , reliable communication. HOW VHF RADIO WORKS The most popular method of communicating with other bo[...]

7 FEA TURES O VERVIEW The Humminbir d® VHF255S is a VHF Digital Selective Calling (DSC) Base Station marine band radio with the follo wing features: • Access to all available U.S., International, and Canadian channels (currently allocated). • Allows unlimited memory channels for quick recall and memory scan. • Provides as many as 20 user -pr[...]

8 • Firm and reliable gimbal mounting bracket f or the radio base station. • Large LCD (2“x 1.5”) is easy to read, with backlit display to allo w operation in low light conditions. • Phase Lock Loop (PLL) controlled circuitry provides accur ate and stable channel selection. • Memory Channels feature allows you to sa ve channels so that [...]

9 MARITIME MOBILE SERVICE IDENTITY (MMSI) The Maritime Mobile Service Identity (MMSI) number is the nine-digit number used on marine radios like y our VHF255S that are capable of using Digital Selective Calling (DSC). This number is used lik e a telephone number to call other vessels individually and automatically . NO TE: Y ou must get an MMSI ass[...]

10 T o enter your assigned MMSI into your radio: 1. Press and hold the DSC/MENU ke y; the T ext area on the LCD will display the Setup Menu list. 2. Rotate the CH/ENTER knob to select DSC SETUP from the Setup Menu list, and push the CH/ENTER knob to display the DSC Setup Submenu. 3. Rotate the CH/ENTER knob to select USER MMSI from the DSC Setup Su[...]

VHF255S CONTROLS - RADIO BASE ST A TION FRONT The f ollowing dra wing shows the Humminbird® VHF255S controls on the fr ont of the radio base station: NO TE: On dual function keys, such as the BAND/SA VE ke y, a quick press and release will activate the first function on the key (to the left of the slash), in this case the B AND function. A press a[...]

12 CANCE L/WX: Use this dual function key to cancel your last selection or change y our selection without saving. T his allows you to step back one le vel on the menu mode. Use this key to cancel DSC Distr ess calls and auto-retransmission of Distress calls. Pr ess and hold this key to enter WX (W eather) mode. DSC/MENU: Use this dual function key [...]

VHF255S CONTROLS - RADIO BASE ST A TION REAR The f ollowing dra wing shows the Humminbird® VHF255S connections on the rear of the radio: P ower Input: Allo ws you to connect the radio to the boat’s 12 VDC po wer system. External Speaker: Allows you to connect the r adio to an optional-purchase external speaker . External GPS: Allo ws you to conn[...]

14 VHF255S CONTROLS - MICROPHONE HANDSET The f ollowing dra wing shows the Humminbird® VHF255S controls located on the microphone handset: Channel Up/Down: Use these k eys to change channels, as well as to change values while editing settings. 16/9: Press and release the 16/9 k ey to select Channel 16 first; further presses of the 16/9 key toggles[...]

15 1 2 3 4 5 6 7 8 9 10 11 12 WHA T'S ON THE DISPLA Y The Humminbir d® VHF255S uses an LCD display , together with keys and v arious control knobs on the typical view you might see on the displa y at initial power -up. T ransmission power mode High (HI) 25 W or Low (L O) 1 W . Indicates an incoming DSC call or , if blinking, to notify you of [...]

16 13 14 15 16 17 18 19 e radio base station and microphone handset, to pr ovide access to user functions. T he figure shows a Indicates current W atch mode, Dual or T ri W atch. Indicates that W eather Channel mode is active. U.S. and Canada only . Indicates that a weather alert is being receiv ed. U.S. and Canada only . Indicates current channel [...]

17 INST ALLA TION O VERVIEW Following ar e instructions for the installation of your radio. Bef ore you start installation, we encourage y ou to read these instructions carefully in order to get the full benefit from your Humminbir d® VHF255S radio. T o install y our VHF255S radio, you will perf orm the following steps: 1. Decide where to install [...]

18 Radio Base Station Recessed Mounting Kit: NO TE : Use the recessed mounting bracket instead of the gimbal mounting brack et for recessed mounting applications. • Recessed mounting bracket (2). • Caps (4). • Nuts (4). • M5x10 Screws (2). • M5x32 Screws (4). MICROPHONE HANDSET : • Microphone handset (1). Microphone Handset Mounting Br [...]

19 CABLES: • 4.25 ft (1.30 m) power supply cable with fuse holder (1). • 2.0 ft (0.6 m) GPS NMEA connection cable (for optional-purchase GPS Receiver) (1). • 2.65 ft (0.8 m) external speaker connection cable (for optional-purchase external speaker) (1). NO TE : If you find that any items are missing from your installation kit, call our Custom[...]

CONNECTIONS OVER VIEW In the following steps, y ou will be making at least one of the following connections: • P ower Supply : Y our radio is powered by y our boat’s 12 VDC power system. The solid r ed cable is positive and the black cable with the red stripe is negative. • External Speaker (optional-purchase) : If needed, you can connect you[...]

21 1. DECIDE WHERE TO INST ALL THE RADIO BASE ST A TION Before y ou install the radio base station, you should find a mounting location for it that: • Does not allow the radio to interfere with, nor r eceive interference fr om, nearby equipment, such as other RF equipment and magnetic compasses; • Provides accessibility to the front panel contr[...]

22 2. INST ALL THE RADIO BASE ST A TION Mount the VHF255S radio base station on your v essel, using the mounting location determined in the previous pr ocedure, and one of the two follo wing procedures, gimbal mounting or recessed mounting. NO TE : Y ou have the option of gimbal bracket mounting, which can either be mounted on the dash or overhead [...]

23 CA UTION: Keep the r adio and microphone handset at least 3.3 feet (1 meter) away from any magnetic devices on your boat (such as a compass). T o install the base station using the recessed mounting kit: 1. T ape the Recessed Mounting installation template onto the chosen mounting location. CA UTION: If your dash exceeds 3/5" (15 mm) in thi[...]

24 5. W orking from the rear of the dash, align the r atcheted mounting circles on each side of the radio with the central hole in each mounting br acket. 6. Use the two short M5x10 screws to scre w the mounting brackets to the sides of the radio. 7. Slide two M5x32 screws through the scr ew hole in the mounting bracket, then attach the lock nut an[...]

25 3. A TT ACH THE ANTENNA CABLE T O THE RADIO A suitable antenna must be mounted in a safe location and connected to the radio base station before turning on the r adio. A very important factor affecting the perf ormance of any radio communication system is the selection of a suitable antenna. Consult y our dealer about antennas and ask them to he[...]

26 CA UTION : If you cannot reach behind the mounting surface to attach the nuts to the bolts, use the supplied self-tapping screws to fasten the bracket instead. 2. Set the bracket aside, then drill two mounting holes at the marked locations. If you plan to use the supplied mounting scre ws, make sure the drill bit you use is slightly smaller than[...]

27 5. A TT ACH A GPS RECEIVER (OPTIONAL -PURCHASE) It is strongly recommended that y ou use your Humminbird® VHF255S with an optional- purchase GPS Receiver . Y ou will not be able to take full advantage of all of the Digital Signal Calling (DSC) features without connecting a GPS Receiv er to the radio. P erform the following pr ocedure to connect[...]

28 USING YOUR VHF255S Before y ou use your radio for the fir st time, you should make sure that y ou are familiar with the following FCC r adio frequency (RF) and licensing requirements. See Befor e Y ou Use Y our Radio: FCC Radio Frequenc y (RF) Compliance Requirements, Before Y ou Use Y our Radio: FCC Licensing Requirements and Before Y ou Use Y [...]

29 BEFORE YOU USE Y OUR RADIO: FCC RADIO FREQUENCY (RF) COMPLIANCE REQUIREMENTS WARNING : T he radio operator and any b ystanders should be at least 3.3 feet (1 meter) from the base of the antenna when the radio is transmitting (whenev er the PTT key is pressed and held or anytime the TX icon appears on the L CD) in order to avoid ex cessive radio [...]

30 BEFORE YOU USE Y OUR RADIO: FCC PRIV ACY AND PRIORITY CHANNEL REQUIREMENTS WARNING: Y ou must monitor Channel 16 (the main priority and distress channel) when you are not using any other channel on the radio. See 8. Accessing the Priority 16/9 Channels for more information. WARNING: Information overheard but not intended for the listener ma y NO[...]

31 2. ADJUSTING SQUELCH Squelch is used to eliminate static and background noise between r eceived transmissions. Squelch effectiv ely mutes the radio speaker until it receiv es a transmission, thus sparing you fr om having to listen to static. If Squelch is set too high, only the strongest transmissions can be hear d, and if it is set too low , in[...]

32 4. SELECTING HIGH/LOW POWER Y ou must press and release the HI/L O key on the microphone handset or the HI/LO/MEM ke y on the radio base station to toggle the transmit pow er between High and Low . Select HI (High Pow er T ransmit) for long-range communications, and LO (Lo w Po wer T ransmit) for shorter -range communications to save battery pow[...]

33 7. SELECTING A WEA THER CHANNEL AND TURNING ON WEA THER ALERT The U.S. National Oceanic and Atmospheric Administr ation (NOAA) broadcasts continuous weather reports and se vere weather alerts during se vere weather e vents. Y our Humminbird® VHF255S is progr ammed to receive all NOAA w eather channels. If W eather Alert Mode is enabled, the AL [...]

34 8. ACCESSING THE 16/9 PRIORITY CHANNELS Channel 16 is the universal distr ess and emergency channel and Channel 9 is a secondary distress and emergency channel used b y the U.S. Coast Guard. Use Channel 16 to establish initial contact with another station for emergency communications. T he FCC requires y ou to monitor Channel 16 even when you do[...]

35 10. ACCESSING CHANNELS SA VED TO MEMOR Y Once channels have been sa ved, you can easily access them using the follo wing procedure. Once in Memory mode, only the channels sa ved to memory will be accessible using the Up or Down Channel ke ys on the microphone handset or the CH/ENTER knob and the SCAN ke y on the radio base station. T o access sa[...]

36 on the receiving channel as long as it is present. If the signal ceases or is lost for five seconds or mor e, the radio resumes the scanning sequence. Y ou can only enter Normal Scan mode when there are no channels stor ed in memory . • Memory Scan: In Memory Scan mode, which is the default mode if any channels are stored in memory , only the [...]

37 13. USING THE W A TCH MONIT OR MODES The Humminbir d® VHF255S is equipped with two types of monitor modes: Dual W atch and T ri Watch. Dual W atch monitors the current w orking channel and Channel 16 alternately . T ri W atch monitors Channel 16, Channel 9 and the current w orking channel. Both watch modes also monitor for weather alerts when W[...]

38 14. DIGIT AL SELECTIVE CALLING (DSC) DSC (Digital Selective Calling) is a semi-automated method of establishing a radio call that has been designated by the International Maritime Organization (IMO) as an international standard for establishing VHF , MF and HF radio calls. It has also been designated part of the Global Maritime Distress and Safe[...]

39 DSC Call T ypes LAST C ALL : NEW CA LL : GROUP : ALL SHIPS: CA LL LOG: DISTRESS L OG: POS REQUEST : EXIT : Recalls last call regardless of which type of call w as received last. Allows you to mak e a new call, either by entering an MMSI number or by selecting a number from the Contact List. Sends transmissions that are only r eceived by radios t[...]

40 T o make an All Ships call: 1. From the DSC Call T ype List, select ALL SHIPS. T he following choices will be displayed: Ur gency , Safety , and Routine. 2. Select one of those three choices to see another submenu that gives y ou the choice to Send or Cancel the All Ships call type. Press the CH/Enter knob again to send the call type selected, o[...]

41 15. MAKING A DISTRESS CALL The DIS TRESS key is used to mak e a Distress call. A Distress call will send out the position and time information from the input NMEA data along with y our MMSI number . T his digital information lets other ships and shore stations equipped with appr opriate DSC equipment know where y ou are and that you are in a dis[...]

42 NO TE: If you release the DISTRESS key before 3 seconds ha ve passed, the Distress call will not be sent; if you hold do wn 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 y[...]

43 10. Release the PTT key and listen f or a response. If you do not get a response, repeat step 9 until you do. 11. If you must abandon ship without receiving a response, and you ha ve time, go back to step 1, and initiate an automatic distress call that will broadcast the ABANDONING message. 16. MAKING INDIVIDUAL ROUTINE CALLS Y ou can make an in[...]

44 T o send an individual call using an MMSI stored in the Contact List: 1. From the DSC Call T ype List, select NEW CALL. The NEW C ALL submenu will be displayed, and the cur sor will point to MANUAL; any MMSI names stored in y our Contact List will also appear . If you have no names stored in your Contact List, y ou will not be able to proceed. ([...]

45 4b. If the call is not acknowledged within 16 seconds, the radio will pr ompt you to resend the call. 5. If you do nothing for 5 minutes, the individual call will be cancelled and the radio will re vert to the original channel selected before y ou started the individual call. NO TE: T o save this Call Log entry in your Contact List, select SA VE[...]

46 2. When position data is included within the signal, it is display ed in the T ext area of the LCD. When no position data is included within the signal, the message "99°„99.9999X, 999°„99.9999Y" is displayed in the T ext area of the L CD. 3. Y ou must continue to monitor channel 16 as a coast station may requir e assistance in a [...]

47 2. Y ou must continue to monitor the channel in order to receiv e the voice communication. 3. The call data is stor ed in the Call Log. T o r eceiv e a Group call: 1. When a Group call is r eceived, an alert sounds, and the radio automatically tunes to the designated channel. Press any k ey to disable the alert. 2. Monitor the designated channel[...]

48 T o acknowledge a missed call: 1. If you miss a call, the blinking icon will appear on the LCD, and will r emain until you go to the Call Log and scroll thr ough all the messages to find the missed calls, which will have icons next to them. Scroll through all the messages with icons in order to acknowledge them. Once y ou have done this, the bli[...]

49 T o request the Lat/Lon position of an MMSI (POS r equest): This option allo ws you to request GPS position inf ormation from any vessel f or which an MMSI number is known. 1. From the DSC Call T ype List, select POS REQUEST , then select either LAST RX or CONT ACTS. 2a. If you selected LAST RX, pr essing the CH/ENTER knob will allow you to send[...]

50 SETUP MENU The r adio’s setup functions are accessed through the Setup Menu. Setup Menu selections are as follo ws: CONT ACTS : Selects the Contact List Entry routine to enter Names and MMSI number s for frequently -called DSC stations. Up to 20 Contact Names can be stored. LOC AL/DIS T : DIST (Distant) allows normal r eceive sensitivity , whi[...]

51 T o access the Setup Menu: 1. Press and hold the DSC/MENU ke y for 3 seconds; the T ext area on the LCD will display the Setup Menu list. (Setup Menu choices are: CONT ACTS, LOCAL/DIS T , BACKLIGHT , CONTRAST , GPS/TIME, RADIO SETUP , DSC SETUP , RESET , EXIT .) 2. Rotate the CH/ENTER knob to select an Item within the Setup Menu list. T o confir[...]

52 4a. Press the CH/ENTER knob to sav e the new Contact, which will be displayed at the top of the Contact List. or ... 4b. Press the CANCEL k ey to terminate the process without saving, then go back to the Contact List screen. 5. When the Contact List is full (has 20 entries), you cannot add a ne w entry until you hav e deleted an existing entry .[...]

53 LOCAL/DIST ANT Y ou can set the receiver to L OCAL to eliminate noise, as the LOC AL setting limits radio reception to strong signals only . T o set the r eceiv er to Local/Distant: 1. From the Setup Menu, select L OCAL/DIS T , then choose LOCAL and press the CH/ENTER knob to set the receiver to Local. T he LOC AL icon will appear on the LCD. 2.[...]

54 CONTRAST ADJUSTMENT Y ou can adjust the contrast on the LCD to adapt to changing light conditions. T o adjust the Contrast: 1. From the Setup Menu, select CONTRAS T . There ar e 8 levels of contr ol for the Contrast. T he higher numbers repr esent a higher -contrast setting, while the lower number s represent a low er -contrast setting. 2. Rotat[...]

55 GPS/TIME SUBMENU The r adio automatically detects NMEA strings and decodes the appropriate latitude/longitude position and time. If the GPS navigation receiv er is not connected or is not functional, the radio will send an alert ev ery 4 hours to request that you enter manual GPS coordinates and time data. If you do not enter this data manually [...]

56 GPS/TIME SUBMENU: MANUALL Y ENTER GPS DA T A If no GPS data is available, the NO GPS icon appear s, and POS DA T A REQ is displayed with NO GPS. An alert will sound for 5 seconds or until any k ey is pressed. T he manual entry function is valid if and only if no GPS Receiver is connected. T o manually enter GPS Data: 1. From the GPS/T ime Submen[...]

57 GPS/TIME SUBMENU: SETTINGS SUBMENU The Settings Submenu under the GPS/TIME Submenu allo ws you to set the follo wing information: • Whether Position data is displa yed. • Whether the Time is displa yed. • Whether a Time Zone Offset is used. • How the Time data is formatted. • Whether COG/SOG data is displayed. NO TE: If the TIME DISPLA[...]

58 GPS/TIME SETTINGS SUBMENU: TIME DISPLA Y ON/OFF Y ou can choose whether or not the time is displayed in Normal mode. 1. From the GPS/T ime Submenu, select SETTINGS, then select TIME DISPLA Y to turn the Time Displa y ON or OFF . 2. Select ON to make the LCD displa y the time, and OFF to suppress the time. In the following example, OFF is selecte[...]

59 GPS/TIME SETTINGS SUBMENU: TIME FORMA T Y ou can choose the time display to be in either 12 hour or 24 hour format. 1. From the GPS/T ime Submenu, select SETTINGS, then select TIME FORMA T to change the time format. 2. Use the CH/ENTER knob to choose either 12 HR or 24 HR, and press the CH/ENTER knob again to enter the selected time format. NO T[...]

60 RADIO SETUP SUBMENU The Radio Setup submenu under the Setup Menu allo ws you to set the following inf ormation: • The name of a channel. • Ring volume for incoming calls. • Beep volume for alerts. • Whether the internal speaker is turned on or off . T o access the Radio Setup Submenu: 1. From the Setup Menu, select RADIO SETUP to displa [...]

61 RADIO SETUP: CHANNEL NAME DISPLA Y AND EDITING Y ou can associate a text name with a channel, and display the name on the LCD belo w the channel number , or suppress the display of the name; you can also delete an existing text name. T o display an existing channel name: 1. From the Radio Setup Submenu, select CH NAME, then DISPLA Y to turn the [...]

62 T o delete a name tag from a sa v ed channel: 1. From the Radio Setup Submenu, select CH NAME, then CH INFO, then pr ess the CH/ENTER knob. The scr een will display the channel name associated with that channel. 2. Select DELETE and press the CH/ENTER knob to see the YES/NO confirmation message. Choose YES to delete the existing channel name tag[...]

63 RADIO SETUP: BEEP VOLUME ADJUSTMENT This setting allo ws you to set the ke y beep tone volume level. 1. From the Radio Setup Submenu, select BEEP VOL to display the beep volume setting choices, and choose either HIGH, LOW or OFF using the CH/ENTER knob. RADIO SETUP: TURNING THE INTERNAL SPEAKER ON/OFF This setting allo ws you to turn the interna[...]

64 DSC SETUP SUBMENU The DSC Setup submenu under the Setup Menu allo ws you to set the follo wing information for the DSC/A TIS function: • The User MMSI assigned to your radio (can ONL Y be set once). • Up to three Group Names and associated MMSIs. • Automatic or manual individual reply . • Whether DSC is enabled or temporarily disabled. ?[...]

65 DSC SETUP: ENTER YOUR USER MMSI NO TE: Y ou must get an MMSI assigned to you before you can perform this procedure, and you will ONL Y be allowed to perform this oper ation once. Y ou must enter your user MMSI before you can use the DSC functions. If there is no User MMSI stored and an attempt is made to use the DSC function of the radio, the L [...]

66 4. If the User MMSI is blank, a dashed line will be displayed. T urn the CH/ENTER knob back and forth to enter the User MMSI along the dashed line. Press the CH/ENTER knob to confirm each correct entry and to be advanced automatically to the next digit. NO TE : If your make an error , press the CANCEL/WX key until < appears, then press the CH[...]

67 DSC SETUP: CREA TE AND MANAGE GROUP MMSIS Y ou can save up to thr ee Group MMSI numbers and associated Group names. Gr oup MMSI numbers alwa ys begin with a zero (0). Y ou will only enter the last 8 digits of the Group MMSI, as the intial “0” is entered automatically . T o enter Group MMSIs: 1. From the DSC Setup Submenu, select GROUP MMSI. [...]

68 T o edit an existing Group MMSI entry : 1. From the DSC Setup Submenu, select GROUP MMSI, then select an existing Group Name and press the CH/ENTER knob to see the EDIT and DELETE choices for the selected Group Name and associated MMSI. Select the Gr oup Name or only the desired MMSI. Choose EDIT . 2. When you ar e finished editing, press the CH[...]

69 DSC SETUP: INDIVIDUAL REPL Y Y ou can set up your radio to r espond to incoming individual calls with either an automatic response or to wait f or you to reply manually . 1. From the DSC Setup Submenu, select INDIV REPL Y to display the INDIV REPL Y MANUAL or AUT OMA TIC choices. 2. Select AUT OMA TIC for an automatic response, or MANUAL f or a [...]

70 DSC SETUP: POSITION REPL Y Y ou can set the radio to respond to a P osition Request in one of three w ays: Automatic, Manual, or Off (no response). 1. From the DSC Setup Submenu, select POS REPL Y , then choose either AUT OMA TIC, MANUAL, and OFF using the CH/ENTER knob. DSC SETUP: RESET This f eature resets most settings to the f actory default[...]

71 MAINTENANCE T o keep your Humminbird® VHF255S working pr operly , perform the following maintenance as needed. If your unit comes into contact with salt spra y , simply wipe the affected surfaces with a cloth dampened in fresh water . Do not use a chemical glass cleaner on the lens, as chemicals in the solution may cause cracking in the lens. W[...]

72 NO SOUND FROM THE SPEAKER If your VHF255S speaker is not emitting sound, r efer to the Installation section, and make sure that: • The volume control is turned up high enough f or you to hear . • SQUELCH is set to the threshold point. • The internal speaker is turned on (see Radio Setup: T urning the Internal Speaker On/Off for more inform[...]

73 3- YEAR LIMITED W ARRANTY W e warrant the original r etail purchaser that products made by Humminbir d® have been manufactured fr ee from defects in materials and workmanship. T his warr anty for the VHF255S radio is effectiv e for three year s from the date of original retail purchase. Humminbird® products f ound to be defective and cov ered [...]

74 HUMMINBIRD® SERVICE POLICY Even though you'll pr obably never need to take adv antage of our incredible service policy , it's good to know that we back our products this confidently . W e do it because you deserve the best. W e will make every effort to r epair your unit within three business days from the r eceipt of your unit at our[...]

75 RETURNING YOUR UNIT FOR SERVICE Before sending y our unit in for repair , please contact the factory , either by phone or by email, to obtain a Repair Authorization Number for y our unit. Please have your pr oduct model name and serial number available bef ore calling the factory . If you contact the factory by e-mail, please include y our produ[...]

76 SPECIFICA TIONS Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All U.S., Canadian and International Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All NOAA W eat her Channels Fr equency Method . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

77 MARINE CHANNELS Refer to the follo wing Marine Channels tables, depending on your location. Channel F r equency (MHz) Use WX0 163.275 NOAA W eather . WX1 162.550 NOAA W eather . WX2 162.400 NOAA W eather . WX3 162.475 NOAA W eather . WX4 162.425 NOAA W eather . WX5 162.450 NOAA W eather . WX6 162.500 NOAA W eather . WX7 162.525 NOAA W eather . W[...]

78 Channel No. Ship T ransmit MHz Ship Receive MHz Use U.S. Marine Channels 01A 156.050 156.050 Port Oper ations and Commercial, VTS*. Available Only in Ne w Orleans / Lower Mississippi area. 05A 156.250 156.250 Port Oper ations or VTS in the Houston, New Orleans and Seattle areas. 06 156.300 156.300 Intership Safety . 07A 156.350 156.350 Commercia[...]

79 Channel No. Ship T ransmit MHz Ship Receive MHz Use U.S. Marine Channels 27 157.350 161.950 Public Correspondence (Marine Operator). 28 157.400 162.000 Public Correspondence (Marine Operator). 63A 156.175 156.175 Port Oper ations and Commercial, VTS. Available Only in Ne w Orleans / Lower Mississippi area. 65A 156.275 156.275 P ort Operations. 6[...]

80 Channel No. Ship T ransmit MHz Ship Receive MHz Use 01 156.050 160.650 Public Correspondence (Marine Operator). 02 156.100 160.700 Public Correspondence (Marine Operator). 03 156.150 160.750 Public Correspondence (Marine Operator). 04 156.200 160.800 Public Correspondence (Marine Operator). 05 156.250 160.850 Public Correspondence (Marine Operat[...]

81 Channel No. Ship T ransmit MHz Ship Receive MHz Use International Marine Channels 62 156.125 160.725 Public Correspondence (Marine Operator). Port Oper ations, Ship Movement. 63 156.175 160.775 Public Correspondence (Marine Operator). Port Oper ations, Ship Movement. 64 156.225 160.825 Public Correspondence (Marine Oper ator). Port Oper ations, [...]

82 Channel No. Ship T ransmit MHz Ship Receive MHz Use Canadian Marine Channels 01 156.050 160.650 Public Correspondence (Marine Operator) 02 156.100 160.700 Public Correspondence (Marine Operator) 03 156.150 160.750 Public Correspondence (Marine Operator) 04A 156.200 156.200 Pacific Coast: Coast Guar d, East Coast: Commercial Fishing 05A 156.250 1[...]

83 Channel No. Ship T ransmit MHz Ship Receive MHz Use Canadian Marine Channels 60 156.025 160.625 Public Correspondence (Marine Operator) 61A 156.075 156.075 Pacific Coast: Coast Guar d East Coast: Commercial Fishing Only . 62A 156.125 156.125 Pacific Coast: Coast Guar d East Coast: Commercial Fishing Only . 63A 156.175 156.175 Port Oper ation and[...]

84 MENU TREE The f ollowing schematic shows the r elationship between the various menu choices that may be display ed on the LCD. DSC CALL TYPE LIST These menu choices appear when y ou press the DSC/MENU ke y .[...]

85 SETUP MENU These menu choices appear when y ou press and hold the DSC/MENU key .[...]

86 NOTES[...]

87 NOTES[...]

88 NOTES[...]

Contact Humminbird® Contact the Humminbird® Customer Resource Center in any of the follo wing ways: By T elephone: (Monday - Frida y 8:00 a.m. to 4:30 p.m. Central Standard T ime): 1-800-633-1468 By e-mail: (typically we respond to y our e-mail within three business days): custserv@johnsonoutdoors.com For direct shipping, our addr ess is: Humminb[...]