Pub. 988-0152-131 www.eaglesonar.comFishElite 502c iGPS &SeaCharter 502cDF iGPSFish-finding Sonars & Mapping GPSInstallation an
2After you have gained some experience with your sonar, you will wantto check out Section 4, which discusses more advanced Sonar Optionsand Other Feat
92A circular symbol depicting your destination (waypoint) appears on thescreen as you approach the waypoint, as shown on the screen in thepreceding fi
93 Map Page (left). Map page zoomed to 100 miles (center). Map pagezoomed to 10 miles (right). Over Zoomed means you have reached thedetail limi
94The medium-detail U.S. maps contain: all incorporated cities; shadedmetropolitan areas; county boundaries; shaded public lands (such asnational fore
95 When the map is zoomed out far enough, most POIs appear as squaredots (left). As you zoom in closer, the symbols become readable icons.In the 0.2
96 Pages Menu with Two Map option selected (left).Map Page with two map windows (right).Resize Window commandResize Window is an extremely handy fea
973. To change the window size again or revert back to the original dis-play, just follow the steps above.The following page contains a 12-step quick
98Basic GPS Quick ReferenceStart outdoors, with a clear view of the open sky. As you practice, trynavigating to a location at least a few blocks away.
99Find Your Current PositionFinding your current position is as simple as turning the unit on. Un-der clear sky conditions, the unit automatically sea
100The selected wreck (the Empress) to the southeast is 12.81 miles away.Selecting Any Map Item With the Cursor1. Use the zoom keys and the arrow keys
101NOTE:This example requires the Point of Interest (POI) database includedwith a high detail MapCreate 6 custom map.After the unit has acquired a pos
3It's important to us and our power users, but if you don't care how manywatts of power the unit has or how many waypoints it can store, ski
102 POI screen on fast food restaurant. Screen shows name, street address,phone number, latitude/longitude, distance to restaurant and its com-pass
103Set a WaypointA waypoint is an electronic address based on the latitude and longitudeof a position on the earth. It represents a location, spot, or
104 Sequence for setting a waypoint. Step 1: while traveling, quickly pressWPT twice to call up Find Waypoint screen (seen in Step 2) and set
1054. Press ↓ to LONGITUDE|ENT. Enter the longitude by pressing ↑ ↓ tochange the first character, then press → to the next character and repeatuntil
106Set Man Overboard (MOB) WaypointOne of boating's most terrifying events is having a friend or familymember fall overboard. It's particula
107Navigate to Cursor Position on MapThe GO TO CURSOR command: navigates to the current cursor position onthe map. It's a quick and handy way to
108 The 30-mile zoom figure (left) clearly shows the red course line connectingyour current position to your destination. The second figure (cen
1092,000, but the unit can record trails 9,999 points long). When the pointlimit is reached, the unit begins recording the trail over itself.With the
110New trail, named "Trail 4," is created when Trail 3 is made inactive.Any new travel will be recorded in this trail, which is active and v
111Navigating TrailsThere are three methods for following a trail: visual trailing, navigatinga trail (forward) and backtracking a trail (backward). T
4Sonar SoundingDepth capability:... SeaCharter 502cDF iGPS: 1,500 feet (457meters). FishElite 502c iGPS: 800 feet (244meters). Actual capabili
112 Navigate a trail menu sequence: Fig. 1, My Trails command. Fig. 2,Trails Menu. Fig. 3, Edit Trail Menu. Fig. 4, Edit Route Menu withNavigate
113 Navigate trail, map views: Driver is heading southeast straight towardtrail point 3 (left). Driver has reached point 3 and has turned s
114NOTE:If you are located at or near the end of your trail, the arrival alarmwill go off when you hit Enter. Press EXIT to clear the alarm.5. Now beg
115The Transfer My Data submenu asks if you want to save data to theMMC or load data from the MMC into the unit's memory.2. The Transfer My Data
1164. Loading to unit memory: There may be more than one GPS DataFile (*.USR) on the card. To select a file, press ENT to activate the selec-tion box,
117Section 7: Advanced GPS OperationsFind Distance From CurrentPosition To Another Location1. While on the Map Page press MENU|↓ to FIND DISTANCE|ENT.
118called later for navigation purposes. These are sometimes referred to asevent marker icons. This unit has 42 different symbols you can pickfrom whe
119 Delete icons menu.Selecting the Delete All Icons command will launch a confirmationmessage. Press ← to YES|ENT. All icons will be deleted from t
120waypoint. Once programmed into the GPS unit, a route provides theoption of navigating forward through the route waypoints or in reverseorder (you c
121 Edit Route menu (left). Edit Route Waypoints menu (right)with Add From Map command selected.4. Use the Zoom keys and arrow keys to move the map
5Position points: ... 1,000 waypoints; 1,000 event marker icons.Audible alarms: ... Arrival/off-course/anchor.Graphic symbols forw
122 Fig. 4. Point (3) set at channel mouth. Fig. 5. Waypoint (4) set furthersouth along the beach, at a recognizable landmark (Bob Hall Pier).Wa
123Tip:You can also delete all routes at once:1. From the NAVIGATION PAGE, press MENU|ENT or from the MAP PAGEpress MENU|MENU|↓ to ROUTE PLANNING|ENT.
124Waypoint will delete the waypoint from the route. View Waypoint willshow you where the selected waypoint is on the map.NOTE:When adding waypoints t
125 Fig. 1 shows the Navigation Page at the start of a route, headingstraight for the first waypoint (Wpt 1). In Fig. 2, the traveler has arrivedat
126Tip:You can also delete all trails at once:1. Press MENU|MENU|↓ to MY TRAILS|ENT.2. Press → to DELETE ALL|ENT|← to YES|ENT.Edit a Trail NameTo edi
127 Edit Trail Menu with Pattern option selected (left). Edited trail withdotted line pattern (right).UtilitiesUtilities are useful tools for travel
128EXIT repeatedly.To delete a waypoint from the map:1. Use the arrow keys to select a waypoint with the cursor.2. Press WPT to view the WAYPOINT INF
129press → to the next character and repeat until the latitude is correct.Press EXIT.4. Press ↓ to LONGITUDE|ENT. Press ↑ ↓ to change the first chara
130press → to the next character and repeat until distance is correct. PressENT.6. Press ↓ to BEARING|ENT. Press ↑ ↓ to change the first character, th
131Section 8: System & GPS Setup OptionsAlarmsThis unit has several GPS alarms. The factory default setting has all ofthese but the anchor alarm t
6chart. The sonar's microprocessor calculates the time lapse between thetransmitted signal and echo return to determine the distance to theobject
1324. When your adjustments are finished, return to the main page displayby repeatedly pressing EXIT.NOTE:Anchor Alarm - The anchor alarm may be trigg
133 Menus for changing Com Port settings.For assistance in configuring the unit to communicate with anotherdevice, consult the factory; customer
134• DBT transmits the depth below the transducer.• DPT transmits the depth• MTW transmits the water temperature.• VLW transmits the distance trav
135British, Irish, Finnish, German, New Zealand, Swedish, Swiss, Taiwan,and Greek grid systems are the national coordinate system used only intheir re
136on the map. It then shows the present position as distance on the mapfrom that reference point.For example, if it shows a distance of UP 4.00"
137point under and press ENT. The unit displays a waypoint informationscreen with the command SET AS ORIGIN selected; press ENT and the unitreturns to
138ENT|EXIT to get back to the main page display where the data optionyou selected is displayed in the selected digital data box. You can selectanothe
139Simulating Trail or Route NavigationIn Simulator mode, your unit can automatically follow a trail or routewithout manual steering if you use these
1403. In a moment, your present position marker arrow appears on themap in the location you selected with the cursor. The unit will considerthat spot
141Show Map DataFrom the Map Page, press MENU|↓ to MAP DATA|ENT. Press ENT to enterthe EARTH MAP DETAIL menu and choose how much detail you want, from
7making software, MapCreate 6 or one of our special plug-and-playmapping cards. Some unit features — such as searching for businessesand addresses —
142To set Lat/Long Grid: From the Map Page, press MENU|↓ to MAPDATA|ENT. Press ↓ to LAT/LON GRID LINES. With the option highlighted,press ENT to tur
143To get to Map Categories Drawn:1. From the Map Page, press MENU|↓ to MAP CATEGORIES DRAWN|ENT.2. Press ↑ ↓ to select a category or press ← → to sel
144the right side of the map, and so on. However, if you travel any otherdirection, the map doesn't line up with your view of the world.To correc
145 NauticPath chart showing Chart Note icon selected by cursor (left).Note information screen (right).To view Chart Note information:1. Use the a
146To view Port Services information:1. Use the arrow keys to move the cursor over a Port Services icon.When it is selected, a pop-up name box appears
147zoomed in to a 6-mile range. The icon stands for a Tidal Current Sta-tion location. An example is displayed on the right.When you zoom in to a suff
148Current Information screen.To select another date:1. Use ← → to highlight month, day or year, then press ENT.2. Use ↑ ↓ to select the desired mont
149 NauticPath chart showing Tide Station icon selected by cursor (left).Icon animates automatically without selection at the 0.8-mile zoomrange (ri
150The height scale on the top right side of the graph changes, based uponthe maximum range of the tide for that day. The MLLW line also ad-justs its
151WARNING:You should never format the MMC containing yourNavionics chart. Formatting the MMC will permanentlyerase the chart from the card.Pop-up Hel
8so you can mount your unit and plug in the power. Or you might wantto see how our text formatting makes the manual tutorials easy toskim. If that&apo
152System Menu with Reset Options command selected.Require WAASYou can force the unit to require WAAS for reporting a valid position.The default setti
153 Screen Command (left) and Screen Menu with Contrast selected (right).To adjust the display's brightness:Press ↓ to BRIGHTNESS. Press ← → to
154Set Local TimeUsing the correct local time setting is handy when estimating local ar-rival time while navigating. Also, the time and date are saved
155Software Version InformationFrom time to time, Eagle updates the operating system software insome of its products. These software upgrades are usua
156 Sounds command (left). The Sounds menu (right).To set Key Press Sounds: With the option highlighted, press ENT toturn it on (check) and turn it
157Track Smoothing option turned on.Trail OptionsThere are several options you can use with trails. Some affect all trails,other options can be applie
158WARNING:If you uncheck the Update Trail option, automatic trailcreation and recording will be turned off. You must turnit back on to record trails.
159Specific Trail OptionsDelete TrailTo delete a specific trail:From the Trails Menu, press ↓ to Trail Name|ENT. The Edit Trailmenu appears. Press ↓ t
160To change the units:Press MENU|MENU|↓ to SYSTEM SETUP|ENT|ENT. System Setup submenu (left). Units of Measure Menu (right).To set Unit of Measure:
161Section 9: SearchingNOTE:The background map loaded in your unit lets you search for U.S.Interstate Highway exits and exit services, as well as some
9Remember, the unit must have a clear view of the satellites in order toreceive their signals. Unlike radio or television signals, GPS works atvery hi
162In search results, the distance and bearing to the selected item will becalculated from the current position. In the case of a cursor search, these
163If you select yes, there are two options: A. You can spell out the cityname in the top selection box. Press ↑ ↓ to change the first letter, thenpre
1648. To navigate to the address, press MENU|ENT|EXIT and the unit willbegin showing navigation information to the address pointed out by thecursor. I
165NOTE:Since the Go To waypoint command is highlighted, you can navi-gate to the selected POI by pressing ENT|EXIT.Find Interstate Highway Exits1. Fr
1663. Once you have selected a highway name you can then select an exit.Press ↓ to switch to the Exit List, then press ↓ ↑ until you highlight theexit
167Find Map Places or Points of Interest1. Press WPT|↓ ↑ to select a map place or POI category and press ENT.(Before pressing ENT, you can narrow the
1683. Search by name of POI. Press ENT. There are two options: A. Youcan spell out the POI in the top selection box. Press ↑ ↓ to change thefirst lett
169 Find Streets command (left). Find Streets menu (right).2. You must first fill in a street name in the First Street dialog box.Press ENT to displ
170 The Find Streets menu with Find FirstStreet highlighted (left). Streets Found list (right).4. The Map Page appears, with the cursor pointing to
171the name is correct, then press ENT|ENT. B. Or you can jump down tothe lower box and pick a street from the selection list. Press ENT, thenuse ↓ ↑
10and your destination, for example. It’s up to you to safely navigatearound obstacles, no matter how you’re using this product.Free Training Aids Ava
172Map Page showing results of an intersection search.If you want to navigate to the found intersection, just pressMENU|ENT|EXIT.Find Waypoints1. Pres
173 Calculating message (left) and list of the nearest waypoints (right).4. To see location information on the closest (highlighted) waypoint,press
174then press → to move the cursor to the next letter and repeat until thename is correct, then press ENT|ENT. B. Or you can jump down to thelower sel
175Section 10: Supplemental MaterialDatums Used by This UnitWGS 1984DefaultAdindanMean for Ethiopia,SudanAdindanBurkina FasoAdindanCameroonAdindanEthi
176Chua AstroParaguayCorrego AlegreBrazilDabolaGuineaDjakarta (Batavia)Indonesia (Sumatra)DOS 1968New Georgia Islands(Gizo Island)Easter Island 1967Ea
177Naparima BWITrinidad & TobagoNorth American 1927Mean for Antigua,Barbados, Barbuda,Caicos Islands,Cuba, DominicanRepublic, GrandCayman, Jamaica
178Point 58SwedenSanto (DOS)1965 Espirito SantoIslandSao BrazAzores (Sao Miguel,Santa Maria Islands)Sapper Hill 1943East Falkland IslandSchwarzeckNamb
179FCC ComplianceThis device complies with Part 15 of the U.S. Federal Communi-cations Commission (FCC) Rules. Operation is subject to the fol-lowing
180Notes
181Notes
11play back sonar logs, run GPS routes and trails, even create real way-points you can use in the field.And that is just some of the material availabl
182Notes
183EAGLE DATABASES LICENSE AGREEMENTTHIS IS A LEGAL AGREEMENT BETWEEN THE END-USER WHO FIRSTPURCHASES THIS PRODUCT AS A CONSUMER ITEM FOR PERSONAL,FAM
184DATABASES LIMITED WARRANTY"We", "our", or "us" refers to Eagle Electronics, Inc., the manufacturer of thisproduct. &q
185EAGLE ELECTRONICSFULL ONE-YEAR WARRANTY"We," "our," or "us" refers to EAGLE ELECTRONICS, INC., the manufacturer of th
186How to Obtain Service……in the USA:We back your investment in quality products with quick, expert serviceand genuine Eagle parts. If you're in
Accessory Ordering Informationfor all countriesTo order Eagle accessories such as power cables or transducers,please contact:1) Your local marine deal
Visit our web site:www.eaglesonar.comEagle Pub. 988-0152-131 © Copyright 2005 All Rights ReservedPrinted in USA 121505
Copyright © 2005 LEI-EagleAll rights reserved.No part of this manual may be copied, reproduced, republished,transmitted or distributed for any purpose
124. The wait message disappears and the unit begins showingnavigation information along the trail. Now, begin moving andfollow your unit's direc
13Section 2: Installation & AccessoriesPreparationsYou can install the unit in some other order if you prefer, but we rec-ommend this installation
14Read these instructions carefully before attempting the installation.Determine which of the installation methods is right for your boat.Remember, tr
15NOTE:Some aluminum boats with strakes or ribs on the outside of thehull create large amounts of turbulence at high speed. These boatstypically have
16 Align transducer centerline with hull bottom. A dual frequency transducer (left) and a single frequency transducer (right).How low should you go
17The shoot-thru-hull installation does have its drawbacks. First, someloss of sensitivity does occur, even on the best hulls. This varies fromhull to
18Align plastic ratchets in bracket.B. Two-piece bracket: Locate the four plastic ratchets in the trans-ducer's hardware package. Press two ratc
192. Aligning the transducer on the transom.A. One-piece bracket: Slide the transducer between the two ratch-ets. Temporarily slide the bolt though th
20If the transducer's face isn't parallel with the ground, remove anddisassemble the transducer and ratchets. Place the ratchets into thebra
21 Position transducer mount on transom and mark mounting holes.Side view shown (left) and seen from above (right).5. Attaching transducer to transo
iTable of ContentsSection 1: Read Me First!... 1Capabilities and Specifications: ...
226. Route the transducer cable through or over the transom to the sonarunit. Make sure to leave some slack in the cable at the transducer. Ifpossible
233. Route the transducer cable alongside the trolling motor shaft. Useplastic ties (not included) to attach the transducer cable to the trollingmotor
24NOTE:Periodically wash the transducer's face with soap and water to re-move any oil film. Oil and dirt on the face will reduce the sensitivityo
25Shoot-thru-hull transducer locations forhigh speed or trolling speed operation.To choose the proper location for shoot-thru-hull mounting, follow th
26The second bottom signal will probably disappear and the bottom signalintensity will likely decrease.3. Now move the transducer around to find the b
27Epoxy transducer to hull.WARNING:Use only the epoxy available from LEI. It has been for-mulated to work with these installation procedures.Other ep
28Leave the weight in place for a minimum of three hours. Allow the ep-oxy to cure for 24 hours before moving the boat.5. After the epoxy has cured, r
29Sonar unit with external temp sensor, external speed sensor or combospeed/temp sensor. The primary temperature sensor is builtinto the transducer.Op
30Make sure the location does not interfere with the boat's trailer. Usually,the sensor is mounted about one foot to the side of the transom&apos
31The sensor is now ready for use. Connect the sensor to the accessorysocket on the back of your unit. If you have any questions concerningthe install
iiPages ... 42Satellite Status Page ...
32Power connections for the sonar unit.WARNING:This product must be independently fused with the en-closed 3-amp fuse (or equivalent), even if you con
33NMEA format GPS data. The com port can also transmit NMEA formatGPS data to another device. A data cable should contain three wires.Com-1 uses the y
34Bracket InstallationMount the unit in any convenient location, provided there is clearancebehind the unit when it's tilted for the best viewing
35Front view (left) and side view (right) showing dimensions of the unitwhen mounted on gimbal bracket.Pass the power cable's bare-wire end down
36Most LEI portable power packs can be used with eight "D" cell alkalinebatteries. Some use an optional sealed, rechargeable battery. For in
37Memory card compartment with a 16 MB MMC card installed.To remove an MMC1. Open the card compartment door by unscrewing the thumb screw.The screw sh
38MapCreate™ 6 CD-ROM (left). MMC card reader for USB ports (right).NOTE:When you first turn on the unit, the Map Page appears. If youwould rather sta
39Section 3: Basic Sonar OperationThis section addresses the unit's most basic sonar operations. The in-structions presented in Sec. 3 follow a
404. ARROW KEYS – These keys are used to navigate through menus,make menu selections, move the map and sonar chart cursors and enterdata.5. ENT/ICONS
41You can access the Main Menu from any of the four Page screens bypressing MENU|MENU. To clear the menu screen and return to the pagedisplay, press E
iiiStop Chart ... 78Surface Clarity...
42Timers: controls the up timer, down timer and alarm clock settings.Browse MMC Files: allows you to view the installed MMC card andthe files it conta
43Satellite Status Page showing satellite lock-on with a 3D positionacquired (latitude, longitude and altitude), including WAAS reception.Navigation P
44 Map Page showing position on Bull Shoals Lake, Arkansas. Full mapoption (left). Map with sonar option (right).Map Page is the default screen that
45 Split zoom display (left). Digital data display (right).To get to the Sonar Page, press PAGES, then use ← → to select SONAR.The Pages Menu offers
46Sonar Page showing full sonar chart mode.You can customize how the Sonar Page displays its pictures and otherdata in many ways. Your unit also inclu
47Basic Sonar Quick Reference1. Mount the transducer, antenna and unit. Connect the unit to electricpower and the transducer. (If GPS operation is des
48Sonar OperationsAs you can see from the quick reference on the previous page, basic operationis pretty easy, right out of the box. If you are a sona
49You can change the sensitivity level whether you are in Auto Sensitivitymode or Manual Sensitivity mode. The adjustment method works thesame in both
50NOTE:If you want to change sensitivity in Manual Mode, turn off AutoSensitivity. From the Sonar Page, press MENU|↓ to AUTO SENSI-TIVITY|ENT|↑ to SE
51Section 4: Sonar Options & FeaturesASP (Advanced Signal Processing)The ASP feature is a noise rejection system built into the sonar unitthat c
ivCreate and Save a Route ... 120PC-created Routes...
52AlarmsThis unit has three different types of sonar alarms. The first is the FishAlarm. It sounds when the Fish I.D. feature determines that an echo
533. Press ↑ ↓ to change the first number, then press → to move the cur-sor to the next number and repeat until the depth is correct, then pressENT.4.
54Fish AlarmUse the fish alarm for a distinctive audible alarm when fish or othersuspended objects are detected by the Fish I.D. feature. Fish I.D.mu
551. Press MENU|MENU|↓ to SONAR SETUP|ENT|↓ to CALIBRATE WATERSPEED|ENT.2. Enter the number you calculated earlier. Press ↑ ↓ to change thefirst ch
56ColorLineColorLine lets you distinguish between strong and weak echoes. Itpaints a brighter color on targets that are stronger than a preset value.
57 A small amount of ColorLine (left) is indicative of a soft bottom. Thewider ColorLine (right) indicates a harder, rocky bottom.Customize Page Dis
58 Digital Data box containing Water Temp is highlighted (left). DataViewer with GPS Data and Navigation categories expanded (right).Selecting the ca
59Depth CursorThe depth cursor consists of a horizontal line with a digital depth box onthe right side. The numbers inside the box show the depth of t
60To switch to Manual Depth Range:1. Turn off automatic depth range. From the Sonar Page, press MENU|↓to AUTO DEPTH RANGE|ENT.2. Press ↑ to DEPTH RANG
61The Fish I.D. feature displays fish symbols on the screen in place of theactual fish echoes.There are several fish symbol sizes. These are used to d
vMap Boundaries ... 141Fill Water With White ...
62FishTrackFishTrack shows the depth of a fish symbol when it appears on the dis-play. This lets you accurately gauge the depth of targets. This feat
63There is a common exception to these rules. Some fishermen on fresh-water lakes (or the ocean) using downriggers like to see them on thesonar. In ma
64 The Sonar Page menu with the Log Sonar Chart Data selected (left).Sonar Chart Logging menu with the Start Logging selected (right).To record or l
65You can select items from any of these categories for display, in anycombination — the category divisions are there only to help you sortthrough the
66 From Overlay Data Shown (left) press ENT to see Data Viewer (center).Select a category and press ENT. Select a data option you want over-laid o
673. The data begins to flash on your screen. Use ← →, ↑ ↓ to move thedata to a new location on the screen.4. When satisfied, press EXIT|EXIT.NOTE:The
6850 percent. At normal boating speeds, this automatically providesenough return echoes to refresh the screen and scroll the chart atmaximum chart spe
69When you boost ping speed and switch into HyperScroll, the width ofthe FasTrack bar graph display doubles in width at the right side of thescreen. T
70Set Keel OffsetThis unit measures water depth from the face of the transducer. Sincethe transducer is installed below the water surface, the distanc
713. Press → to the first number, then press ↑ to change the number to 1.4. Press → to the second number, then press ↑ to change the num-ber to 5 and
viWARNING!A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHODTO OBTAIN POSITION INFORMATION.CAUTIONWhen showing navigation data to a position (waypoin
72 Sonar Menu with Sensitivity selected (left).The Sensitivity Control Bar (right).To adjust sensitivity in manual mode:1. From the Sonar Page, pres
73Sonar Page & Sonar Chart Display OptionsThe Pages Menu offers three chart display options. To access them, pressPAGES|→ to SONAR|↓ to Option Nam
74 Full Sonar Chart (left). Split Zoom Chart First (left) showing windowzoomed 2X. Press ZIN and the left window zooms to 4X (right).Split Zoom
75 Sonar Page Menu with Customize highlighted (left). Water Temp, thefirst customizable data box, begins flashing to show it is selected (right).1.
76Map With Sonar Split ScreenThere is a page mode that splits the screen in half, with sonar on oneside and mapping on the other. It can be found on t
77 Main Menu with Sonar Setup selected (left). Sonar Simulator selected(center). Sonar Simulator menu with simulator turned off (right).NOTE:With
78While you are in the Sonar Simulator menu, don't forget to checkSimulate Position if you want to run the sonar and GPS simulatorssimultaneously
79wakes, temperature inversion and more. The surface clarity controlreduces or eliminates surface clutter signals from the display. It doesthis by cha
80 Sonar page zoomed to 2X (left). Sonar page zoomed to 4X (right).Zoom PanYour unit has the handy ability to zoom in on any portion of the watercol
81Section 5: Sonar TroubleshootingIf your unit is not working, or if you need technical help, please use thefollowing troubleshooting section before c
1Section 1: Read Me First!How this manual can get you out on the road, fast!Welcome to the exciting world of digital sonar and GPS! We know youare anx
823. The water may be deeper than the sonar's ability to find the bottom.If the sonar can't find the bottom signal while it's in the au
83To eliminate or minimize the effects of electrical noise, first try to de-termine the cause. With the boat at rest in the water, the first thingyou
84Notes
85Section 6: Basic GPS OperationsThis section addresses the unit's most basic GPS operations. The in-structions presented in Sec. 6 follow a chr
864. ARROW KEYS – These keys are used to navigate through themenus, make menu selections, move the map cursor and sonar chartcursor and enter data.5.
87Main Menu.The Main Menu commands and their functions are:Screen: changes the contrast or brightness of the display screen.Sounds: enables or disable
88Pages Menu showing some Map display options.Sonar PageThe Sonar Page displays the sonar chart, a view of the water columnfrom the surface to the bot
89 Satellite Status Page. The first figure (left) shows the unit has notlocked on to any satellites and does not have a fix on its position. In thes
90The Satellite Status Page has its own menu, which is used for settingvarious options. To access the Satellite Status Page Menu, from theStatus Page,
91locity made good, is your speed toward a waypoint. For instructions, seethe Customize Page Displays entry in Sec. 8.Track is the heading, or the cur
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