Manuel d'utilisation / d'entretien du produit 778C du fabricant Humminbird
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531830-1EN_B 778c HD Operations Manual.
T hank Y ou! T han k yo u for choo sing Humm inbi r d®, Am eri ca's #1 name in fish fin der s. Humminbi rd® has built its reputat ion by designing and manufac turing top -qua lit y , thor oughl y rel iabl e mari ne equi pme nt. Y our Hummin bir d® is des igne d for tr ouble -fr ee use in e ven th e har shest marin e en vir onmen t.
WEE E co mplia nce may n ot b e r equir ed in you r loca tio n for elec trica l & e lectr onic equ ipmen t (EE E), no r ma y it be re qui re d for EEE desi gned a nd i nte nded a s fi xed or te mpor ary ins talla tion in tr ans porta tion veh icl es such as aut omobi les, air cr aft , and bo ats .
P owe r On 1 Ho w Son ar W ork s 2 Du alB eam PL US™ Son ar ................................... ....................................................... 4 Qu adr aB eam PL US ™ So nar (wi th opt io na l-p ur cha se Q ua dr aBe am P L US ™ t ran sdu ce r) .
ii Ac cess ory Bus 34 T he Me nu Sys tem 35 St art -Up Opt ion s Me nu 36 No rma l ............................................................................... ..................................... 36 Si mul ato r ..................................
iii Fl ashe r X -Pr ess ™ Men u (Circular Flasher V iew only) 52 Se nsi tivi ty ................................................................................................................ 53 Up per Ra nge (Ad van ced: Sonar , Sp lit Son ar , Cir cular Fla sher , and Big Digit s Vie ws only) .
iv De pth Li nes (A dv anced ) .. ........................................................................................ 67 No ise F ilte r (Ad vanc ed) ............................................................................................ 67 Ma x De pth (A dv anced ) .
v V iew s Men u T ab 78 Ac cess ori es Men u T ab 79 T ro ub le sh ooti ng 80 Fi shin g Syst em Doe sn’t P ow er Up .......................................................................... 80 Fi shin g Syst em Def aul ts t o Si mul ato r with a T r ans duce r Atta ched .
1 P ower On Follo w the instructions below to power on your Humminbird® control head. 1. Press the POWER/LIGHT key . 2. When the Title screen is displayed, press the MENU ke y to access the Start- Up Options Menu.
2 How Sonar W orks Sonar technology is based on sound wa ves. The 700 Series™ Fishing System uses sonar to locate and define structure, bottom contour and composition, as well as depth directly below the transducer .
3 When all the echoes are viewed side by side, an easy to interpret “graph“ of the bottom, fish, and structure appears. The so und p ulse s are t rans mitt ed at va riou s frequencies depending on the application. V ery high frequencies (455 kHz) are used for grea test definition but the operating depth is limited.
4 DualBeam PLUS™ Sonar Y our 700 Series™ Fishing System uses a 200/83 kHz DualBeam PLUS™ sonar system with a wide (60°) area of coverage. DualBeam PLUS™ sonar has a narrowly focused 20° center beam, surrounded by a second beam of 60°, expanding your co verage to an area equal to your depth.
5 QuadraBeam PLUS™ Sonar (with optional-purchase QuadraBeam PLUS™ transducer) Y ou r 70 0 S eries™ Fishin g S ystem also supports QuadraBeam PLUS™ sonar with the purchase of an additional QuadraBeam PLUS™ transducer . QuadraBeam PLUS™ sonar provides an extremely wide 90° area of coverage.
6 WideSide® Sonar (w ith op ti ona l-pu rc hase Wid eSid e® tr ans duce r) Y ou r 70 0 S eries™ Fishin g S ystem also su pp or ts Wid eS id e® s on ar w it h th e pu rch as e of a n ad di ti ona l Wid eS id e® transducer .
7 Dual Beam Ice T ransducer (o pti onal -pu rch ase XI 9 20 Ic e T ra ns duc er onl y) Y our Fishing System supports the optional- purchase XI 9 20 Ice T ransducer which prov ides selectable dual-frequency sonar with a wide area of cover age.
8 What’s on the Sonar Display What’s on the Sonar Display T he 70 0 Ser ie s™ F ish in g Sy stem ca n dis pla y a va ri et y of us eful in for mat ion abo ut NO TE : E ntr ies i n thi s v ie w t.
9 What’s on the Sonar Display the area under and adjacent to your boat, including the following items: is co nnect ed to th e 700 Ser ies ™ Fis hing Sy stem. If bo th de vice s ar e conne cted, then on ly th e RT S (Rea l T ime So nar) W ind ow ™ Str uctu re - Whe re fish may be hid ing .
10 Understanding the Sonar Display It is important to understand the significance of the display . The display does not show a literal 3- dimensional repr esentation of what is under the water .
11 SwitchFir e™ SwitchFire ™ contr ols how the sonar returns are displayed in the Sonar Views. SwitchFir e ™ settings are av ailable in the Sonar Menu T ab. T o see the maximum sonar information available within the tr ansducer beam so more fish arches and better jig tracking are shown, choose Max Mode.
12 Bottom Pr esentation As the boat mo ves, the unit charts the changes in depth on the displa y to create a profile of the Bottom Contour . The type of bottom can be determined from the return charted on the display . A Hard Bottom such as co mpac ted sed im en t or fl at roc k app ear s as a thi nne r line acr oss the di spla y .
13 Structure ID® represents weak returns in blue and strong returns in red. W hit eLi ne ™ h igh lig hts the st ro nge st son ar re tur ns in whi te, re su lti ng in a di sti nct iv e ou tli ne. T his h as the be nef it of cl ea rly de fi nin g the b ott om on th e di sp lay .
14 V iews The sonar information from your Fishing System is displayed on your screen in a variety of easy-to-read views. There are many views available on your Fishing System. • Default View: When you first power up the control head, Sonar Vie w will be the default view .
15 T o customize your views rotation: Y ou can choose which views are hidden or visible in your view rotation. 1. Press the MENU key twice to access the tabbed Main Menu, then press the RIGHT Cursor ke y until the Views tab is selected. 2. Press the UP or DOWN Cursor keys to select a View .
16 Sonar V iew Son ar V iew pres ent s a his tori cal log of sonar re turns. The mo st rec ent son ar re tur ns are chart ed on the rig ht side of the wind ow . As new inf orma tion is re cei ve d, the histo rical in fo rma tion scr olls le ft acr oss the displ ay .
17 Sonar Zoom V iew Sonar Zoom Vie w provides a magnified view of the bottom and structure. The Sonar Zoom View makes it easier to see separate sonar returns that would usually be display ed close together , such as those caused by fish suspended close to the bottom or within structure.
18 200/83 kHz Split Sonar Vie w Split Sonar V iew displays sonar r eturns from the 83 kHz wide beam on the left side of the screen and sonar returns from the 200 kHz narrow beam on the right side of the screen. Y ou can use the Split Sonar Vie w to make side by side comparisons between the sonar returns from both beams.
19 Big Digits V iew Big Digits Vie w provides digital data in a large, easy-to-see format. • Digital Rea douts: Depth is always displayed. Readouts f or tempera ture, speed, and T riplog information are displayed automatically if the appropria te accessory is connected to the Fishfinder .
20 Circular Flasher Vie w Circular Flasher V iew provides two w ays to view sonar data in traditional flasher format. The view is controlled by the Ice Fishing Mode menu option in the Sonar Menu T ab. • When Ice Fishing Mode is off , the Circular Flasher V iew displays Real Time Sonar (RTS™) data in a traditional flasher format.
21 Ice F ishing Mode: Off When Ice Fishing Mode is off , the Circular Flasher V iew displays Real Time Sonar (RTS™) data in a traditional flasher format. • Flasher X-Pr ess ™ Menu: Press the MENU k ey once in the Circular Flasher View . Use the X -Press™ Menu to set the Sensitivity , Upper Range, and Lower Range.
22 Ice F ishing Mode: On When Ice Fishing Mode is on , the Circular Flasher Vie w displays the sonar data in traditional flasher format with additional features including Zoom and Depth Cursor .
23 T o activate the Depth Cursor: Use the Depth Cursor to identify depth on the flasher display . 1. Set up: Press the VIEW key repeatedly until the Circular Flasher Vie w is displayed on the screen. T urn on the Ice Fishing Mode (see Sonar Menu T ab ).
24 T o activate Flasher Zoom: The Zoom feature displays a 2x magnified view of the area you choose on the flasher display . 1. Set up: Press the VIEW key repeatedly until the Circular Flasher Vie w is displayed on the screen. T urn on the Ice Fishing Mode (see Sonar Menu T ab ).
25 Side Beam V iew (with optional-purchase QuadraBeam PLUS™ transducer) Side Beam Vie w displays sonar data fr om the left and right 455 kHz beams and the 200 kHz down-looking beam in one view .
26 Default Layout • T op: T he top portion of the display presents a historical log of sonar returns from the 200 kHz down-looking sonar beam. Ne w inf ormation in the down beam panel scrolls from right to left.
27 Classic Layout • T op: The top portion of the displ ay pre sen ts a hist ori cal lo g of sona r re tur ns from the 20 0 kHz do wn-lo okin g sona r be am.
28 Slanted Layout This layout is presented as three slanted panels repr esenting the two 455 kHz side sonar beams and the 200 kHz do wn-looking sonar beam.
29 WideSide® Vie w (with optional-purchase WideSide® transducer) The WideSide® V iew displays information from the 455 kHz W ideSide® transduce r . WideSide® View i s o nly available if you h av e conne cted a WideSid e® transducer accessory and the T ransducer Select setting is set to WideSid e® (see Sonar Menu T ab: T ransducer Select ).
30 What’s on the 700 Series™ Control Head Y our 700 Series ™ Fishing System interface is easy to use. A combination of keys and special features allows you to control what you see on the display . Refer to the f ollowing illustration, and see K ey Functions for more inf ormation.
31 Ke y Functions Y our Fishing System user interface consists of a set of easy-to-use ke ys that work with various on-screen views and menus to give y ou flexibility and control over your fishing experience. POWER/LIGHT Ke y The POWER/LIGHT key is used to power the Fishing System on and off .
32 MENU Ke y The MENU ke y is used to access the menu system. See T he Menu System for more informa tion. • Sta rt -Up O pti ons M enu: Pres s the MEN U k ey du rin g t he p ow er u p seq uenc e to view the Start -Up Optio ns men u.
33 • Circular Flasher V iew (Ice Fishing Mode: On): Press the UP or DOWN Cursor ke ys to mov e the Depth Cursor . Press the RIGHT or LEFT Cursor keys to adjust the Zoom Range (see Views: Cir cular Flasher V iew ). VIEW PRESET Ke ys The VIEW PRESET keys are used to sav e your three f avorite views for quick r etrieval.
34 Accessory Bus Use the Accessory Bus to expand the functionality of your Fishing System. Accessories plug directly into the Fishing System, enabling Advanced features such as W eatherSense® and the SmartCast® Wireless Sonar Link.
35 T he Menu System The Menu System is divided into easy-to-use menu modules. The main components of the menu system are as follo ws: • Start-Up Options Menu: Press the MENU key during the power on sequence to view the Start-Up Options Menu.
36 Start -Up Options Menu Press the MENU key during the pow er on sequence to view the Start -Up Options Menu, and select one of the modes described on the follo wing pages. Also, see Po wer on the Unit for additional information. Normal Use Normal f or on-the-wa ter operation with a tr ansducer connected.
37 Simulator Us e Simu lato r to le ar n how t o u se y our F ish ing Sys te m bef or e t akin g y our boa t on th e w at er . T he S imul ato r i s a v ery po we rf ul to ol tha t p ro vid es a r ando ml y- upda ted di spl ay w hic h sim ula tes on th e wa ter op era tio n.
38 Self T est displa ys results from the internal diagnostic self test, including unit s erial n umber, Pr inte d C ircuit Board (PCB) serial number , software revi sion, total hours of operation, and the input voltage. Accessory T est lists the accessories connected to the system.
39 PC Connect and Software Updates (with optional-purchase PC Connect cable only) Use PC Connect to update the software of the Fishing System control head. See the Humminbird® Web site for information and computer requir ements at humminbird.com or call 1-800-633-1468 .
40 X -Press™ Menu The X -Press™ Menu pro vides a shortcut to your mo st f req uen tl y-u sed s et tin gs . The o pt ion s provi ded on the X-Press™ Menu correspond with the current view . For example, if you are in a Sonar Vie w and press the MENU key once, the Sonar X-Press™ Menu will display .
41 Main Menu The Main Menu provides the standard set of menu options, including the settings that are changed less frequently. The Main Me nu is organized under the following tabs to help you find a specific menu item quickly: Alarms, Sonar , Setup, Views, and Accessories.
42 Quick T ips for the Main Menu • F ro m a n y menu op ti on o n a m enu tab , pre ss t he EX IT ke y t o j ump di r ect ly to the top of the ta b. • F ro m the bo ttom of a me nu tab , pr ess the DOWN k e y to ju mp dir ect ly to th e to p of th e ta b.
43 User Mode (Normal or Advanced) Me nu opt ion s ca n b e sim pli fie d or exp and ed by set tin g y our F ish ing Sy ste m U se r Mo de t o N orm al or A dv anc ed. No rma l Mo de is th e def aul t set tin g wh en yo u fi rs t po we r on yo ur 70 0 Se rie s ™ F is hin g Sys tem .
44 Sonar Menu T ab, Normal Mode Sonar Menu T ab, Advanced Mode Main Menu.
45 Sonar X -Press™ Menu (Sonar Views only) The Sonar X-Pr ess™ Menu provides a shortcut to your most fr equently-used settings. Pr ess the MENU k ey once while in any of the Sonar V iews to access the Sonar X-Press™ Menu.
46 Side (WideSide® transducer: WideSide® V iew only) Settings: Left, Both, Right; Default = Both Side sets which transducer beam fr om the W ideSide® T ransducer will be shown in the WideSide® View .
47 Sensitivity Settings: Low = 1, High = 20; Default = 10 Sensitivity controls how much detail is shown on the display and will adjust the sensitivity of all sonar frequencies. When opera ting in very clear water or greater depths, increase the sensitivity to see weak er returns that may be of interest.
48 Upper Range (Ad vance d: Son ar , Spli t Sona r, Circ ular Flas her, and Bi g Digi ts V iew s only ) Settings: 0 to 1490 ft or 0 to 497 m [International Models only]; Default = 0 Up pe r Ra ng e se ts t he s hal low est dep th ra nge tha t w ill be d is pla ye d on th e So nar , Sp lit So nar , C irc ular Fla sher , and Big Di gits V iew s.
49 NO TE: A mini mum dist ance of 10 fee t will be mai nta ine d bet ween the Up per and Lo wer Ra nge r ega rd less o f the ma nua l sett ing s en ter ed.
50 Quad Lay out (with Optional-Purchase QuadraBeam PLUS™ T ransducer , Side Beam View only) Settings: Default, Classic, Slanted; Default = Default Quad Layout allows you to choose how sonar informa tion is displayed in the Side Beam View .
51 Bottom Range (Sonar Zoom Vie w only when Bottom Lock is On) Settings: 10 to 60 feet, 2 to 10 fathoms, or 3 to 20 meters [International Models only], Default = 15 ft Bottom Range allows you to control how much of the wa ter column, measured up from the bottom, is sho wn in the Sonar Zoom Vie w.
52 Flasher X -Press™ Menu (Circular Flasher V iew only) The F la sh er X-Pr es s™ Me nu pr ovi de s a shortcut to your most frequently -used settings. Press the MENU key once while in the Circular Flasher Vie w to access the Flasher X-Press™ Menu.
53 Sensitivity Settings: Low = 1, High = 20; Default = 10 Sensitivity controls how much detail is shown on the display and will adjust the sensitivity of all sonar frequencies. When opera ting in very clear water or greater depths, increase the sensitivity to see weak er returns that may be of interest.
54 Low er Range Settings: AUTO, 10 to 1500 ft, 3 to 500 m [International Models only]; Default = AUT O Lower Range sets the deepest depth range that will be displayed by the unit. Auto: Th e Lo wer Range will be adjusted by the unit to follo w the bottom automatically .
55 Zoom Lev el (Circular Flasher V iew , Ice Fishing Mode only) Settings: 1x, 2x; Default = 1x Zoom Level sets the magnificat ion level for the Circular Flasher V iew when Ice Fishing Mode is turne d on. W hen the Zoom Lev el is set to 1x, the Zoom fea ture is turned off.
56 Alarms Menu T ab From any view , press the MENU key twice to access the Main Menu. The Alarms tab will be the default selection. NO TE: Whe n an ala rm i s tr igg er ed, yo u ca n si len ce it by pres sing any key .
57 Depth Alarm Settings: OFF , 1 to 100 ft, or 0.5 to 30 m [International Models only]; Default = OFF Depth Alarm sounds when the depth becomes equal to or less than the menu setting.
58 Low Battery Alarm Settings: Off, 8.5V - 13.5V; Default = Off Low Battery Alarm sounds when the input battery voltage is equal to or less than the menu setting. T he battery alarm will only sound for the battery that is connected to the Fishfinder .
59 Sonar Menu T ab Press the MENU key twice to access the Main Menu and then press the RIGHT Cursor key until the Sonar tab is selected. NO TE: M enu opti ons can be exp and ed or simpl ified by set tin g the U ser M ode to Adv ance d or No rmal. See Mai n Menu : User Mod e f or det ail s.
60 Beam Select Sett ings: 200 /83 kH z, 200 kHz, 83 kH z, Defa ult = 200 kHz Beam Select sets which sonar returns fr om the transducer will be displa yed on the screen.
61 Surface Clutter Settings: Low = 1 to High = 10; Default = 5 Surface Clutter adjusts the filter that remov es surface clutter noise caused by algae and aeratio n.
62 Fish ID+™ Settings: Off, On; Default = Off Fi sh ID+ ™ uses adv anced sign al pr oce ssi ng to int erp re t sona r ret urn s and wil l dis pla y a Fish Symbo l when ver y selec tiv e re qui re ment s ar e met.
63 Fish ID Sensitivity Settings: Low = 1, High = 10; Default = 5 F ish ID Sen siti vity ad ju sts th e th res ho ld of th e Fi sh ID+™ det ec tio n alg or ith ms. Se lec ting a hig her sett ing all ow s we ak er ret ur ns to be disp lay ed as fi sh .
64 Sonar Colors (Sonar View , Sonar Zoom V iew, Circular Flasher View , and Big Digits V iew) Settings: Gray , Green, Inver se, Original Palette, Palette 1, P alette 2, Palette 3; Default = Original P alette Sonar Colors allows y ou to select which color palette you would lik e to use for the display .
65 83 kHz Sensitivity (Advanced) Settings: -10 to +10, Default = 0 83 kHz Sensitivity changes the sensitivity of the 83 kHz beam. Increasing the 83 kHz Sensitivity will display additional weak returns, and decreasing the 83 kHz Sensitivity will display few er weak returns.
66 WideSide® Sensitivity (Advanced: with WideSide® transducer) Settings: -10 to +10, Default = O Wide Sid e® Sens iti vit y ad just s th e se nsi tiv ity o f th e WideS ide ® be am. Increasing the sensitivity will display additional weak returns, and decreasing the sensitivity will display few weak returns.
67 Depth Lines (Advanced) Settings: Off, On; Default = On Depth Lines divide the display into four equal sections that are separated by three horizontal depth lines. The depth of each line is displayed along the depth scale. Y ou can turn Depth Lines On or Off .
68 Max Depth (Advanced) Settings: AUTO, 10 to 1500 ft, 3 to 500 m [International Models only]; Default = AUT O Max Depth controls the maximum depth of operation. When Max Depth is set to Auto, the Fishfinder will acquire bottom readings as needed (within the capacity of the unit).
69 T ransducer Select Dual Beam, Quad Beam, Universal Sonar 2, WideSide Default = Dual Beam T ransducer Select allows you to select which transducer you want to use. T he transducer setting must correspond to the transducer type connected to your control head.
70 Setup Menu T ab From any view , press the MENU key twice to access the tabbed Main Menu, then press the RIGHT Cursor key until the Setup tab is selected. NO TE: M enu optio ns wil l var y depe ndi ng on whic h acc essor ies ar e atta che d to the u nit .
71 Units - Depth Settings: Domestic Models: Feet, Fathoms; International Models: Meters, Feet, Fathoms; Default = Feet/Meters Units - Depth selects the units of measure for all depth-related readouts.
72 User Mode Settings: Normal, Advanced; Default = Normal User Mode sets the menu system to Normal or Advanced. W hen set to Normal (default setting), the basic set of menu options are shown in the menu system. When set to Advanced, additional menu options ar e added to the menu system.
73 Select Readouts (Advanced, Sonar View only) Settings: V arious, Default = Off Select Readouts sets the informa tion to display in each of the 6 fixed-position data windows arranged around the left and bottom edges of the S onar View sc reen. T o le ave t he data window blank, select Off.
74 Depth Offset (Advanced) Settings: -10.0 to +10.0 ft, or -3 to 3 m [International Models only]; Default = 0 Depth Offset will adjust the digital depth readout to indicate depth from the water line or boat's keel. Enter a positive vertical measurement from the transducer to the w aterline to read the depth fr om the waterline.
75 Daylight Saving T ime (Advanced, with optional GPS only) Settings: Off, On; Default = Off Daylight Saving Time adjusts the time display to account for local Daylight Saving Time when Time+Da te is selected as a Digital Readout on the Sonar Vie w (see Setup Menu T ab: Select Readouts ).
76 Digits F ormat (Advanced) Settings: Small tenths, Large tenths, No tenths; Default = Small tenths Digits Format allows you to add a tenth decimal place to readouts such as T emperature and Depth. The format can be changed to small forma t, lar ge forma t, or no forma t.
77 Demonstration Settings: Off, Visible; Default = Visible Demonstration controls whether the Demonstration Mode is visible or off. T he Demonstration Mode appears on the screen if you don’t press any keys during the warning screen at power up.
78 V iews Menu T ab F ro m a ny vie w , pr ess the ME NU k ey t wi ce to ac ces s the tabb ed Main Menu , the n pr ess the RI GHT Cu rso r ke y unti l the V ie ws tab is se lect ed. T his men u tab allo ws yo u t o set the av ail abl e vi ew s to eit he r hidd en or vis ible in the vie w r ota tio n.
79 Accessories Menu T ab From any view , press the MENU key twice to access the tabbed Main Menu, then press the RIGHT cursor key until the Accessories tab is selected. If an accessory is a ttached, additional menu choices that support the accessory will be added automatically .
80 T roubleshooting Befor e contacting the Humminbir d® Customer Resource Center , please read the follo wing section. T aking the time to re view these troubleshooting guidelines may allow you to solve a performance problem yourself , and therefor e av oid sending your unit back for repair .
81 Display Problems Ther e are sev eral main conditions or sources of possible interference that may cause problems with the quality of the information displayed on the control head. Look in the following table for some symptoms of display problems and possible solutions: Problem P ossible Cause T he con tro l head lo ses po wer at hi gh spe eds.
82 Finding the Cause of Noise Electrical noise usually aff ects the display with many black dots a t high speeds, and high sensitivity readings. One or more of the following sources can cause noise or.
83 700 Series™ Fishing System Accessories Accessories customize the 700 Series™ F ishing System to your needs and enable you to stay on the edge of new technology . W hen an accessory is connected to the 700 Series™ Fishing System, additional menus and readouts are added automatically to the Main Menu System.
84 harm’s way , with no clamps, ties, or exposed wires. Universal Sonar 2 features new temperatur e sensing and the performance of DualBeam PLUS™ technology (av ailable with all Humminbird® DualBeam PLUS™ models).
85 Specifications Depth Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1500 ft (500 m) P ower Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Wa tts (RMS) 4000 Wa tts (P eak to Peak) Operating Frequenc y .
86 Gl os sa ry Sonar T erms: Be am (Son ar Bea m) Th e w ide, con e-sh ape d p roj ect ion of soun d w av es for med as so und tr av els un der wa ter . See Co ne Ang le . Bo tt om Con tour Th e pr ofi le o f the bot tom g ra phed to t he di spl ay a s th e dep th c hang es.
87 Gr ay sca le The use of v aryi ng sha des of gr ay to re pre sen t the str engt h o f th e s ona r si gna l on the dis play . T rad it ion ally , the str ong est son ar si gna ls are rep res ent ed in bla ck, and pr ogr ess ive ly w eak er s ign als ar e rep res ent ed in pr ogr essi vely li ghte r sh ade s of gr ay .
88 SO NA R (S Ou nd and NA vig atio n Ran gi ng) So nar tech nol ogy uses prec isio n soun d bur sts tr ans mitt ed u nde rwa ter to de termi ne the di stan ce a nd o the r att rib utes of ob ject s in the wat er .
89 T herm ocli nes W at er lay er(s ) of di st inc tly dif fer ent tem per at ur es tha t cr eate a sona r re flec tio n due to the de nsi ty of the d iff eri ng wat er tem per atu res . T ypic ally a ther moc line will app ear as a con tinu ous b and a cr oss the d isp lay at som e dis tanc e abo ve the b ot tom c ont our .
90 Contact Humminbir d® Contact the Humminbird® Customer Resource Center in any of the following ways: By T elephone: (Monday - Frida y 8:00 a.m. to 4:30 p.m. Central Standard Time): 1-800-633-1468 By e-mail: (typically we respond to your e-mail within three business days): service@humminbird.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Humminbird 778C c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Humminbird 778C - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Humminbird 778C, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Humminbird 778C va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Humminbird 778C, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Humminbird 778C.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Humminbird 778C. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Humminbird 778C ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
