Lowrance-electronic LMS-334c iGPS Bedienungsanleitung

Pub. 988-0152-111 www.lowrance.comLMS-334c iGPS &LMS-339cDF iGPSFish-finding Sonar & Mapping GPSInstallation and Operatio

2After you've gained some experience with your sonar, you'll want tocheck out Section 4, which discusses more advanced Sonar Options andOthe

923. 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

93To 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

94Notes

95Section 6: Basic GPS OperationsThis section addresses the unit's most basic GPS operations. The tuto-rials presented in Sec. 6 follow a chronol

964. ARROW KEYS – The arrow keys are used to navigate through themenus, make menu selections, move the map cursor and sonar chartcursor and enter data

97Main Menu.The Main Menu commands and their functions are:Screen: changes the contrast or brightness of the display screen.Sounds: enables or disable

98Pages Menu showing Map display options.Sonar PageThe Sonar Page displays the sonar chart, a view of the water columnfrom the surface to the bottom.

99Satellite Status Page.This screen shows a graphical view of the satellites that are in view. Eachsatellite is shown on the circular chart relative t

100Navigation PageThis screen has a compass rose that not only shows your direction oftravel, but also the direction to a recalled waypoint. The page

101The Navigation with Sonar page.When navigating to a waypoint, your ground speed, track, distance,bearing to the waypoint and course are all display

3tains. It's important to us (and our power users), but, if you don't carehow many watts of power the unit has, or how many waypoints the yo

102Navigation Page going to a waypoint.The cross track error range is shown on the compass rose as a wide,white, corridor enclosing the course line. T

103various options. (Options and setup are discussed in Sec. 8). To accessthe Navigation Page Menu, from the Navigation Page, press MENU.Map PageThe M

104more map content (except for a few major city streets.) Load your ownhigh-detail custom map made with MapCreate (or a pre-made Free-domMap from LEI

105NOTE:Available through LEI Extras (look inside back cover for accessoryordering information), FreedomMaps are pre-made maps that con-tain all of th

106 Digital Data map page (left). Two Position Formats page (right).In pages that have two major windows (such as two maps) you can tog-gle back and

107You can switch between maps by pressing PAGES|PAGES. The mapthat is active will have an Active Map indicator listed in a blue bar atthe top of the

108Basic 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

109Find Your Current PositionFinding your current position is as simple as turning the unit on. With-out obstruction from dense foilage, terrain or st

110The selected airport is 4.2 miles to the northwest.Selecting Map Item With the Cursor1. Use the zoom keys and the arrow keys to move around the map

111After the unit has acquired a position:1. Press WPT|↓ to POI-RESTAURANTS.2. You could search the entire restaurant category, but in this examplewe

4LMS-339cDF. A single-frequency Skimmertransducer with built-in temperature sensor ispacked with the LMS-334c. Transducers offerup to 60° of fish dete

1126. The unit's map appears, with the cross-hair cursor highlighting therestaurant' s POI symbol. A pop-up data box shows the POI's na

113 Sequence for setting waypoint. Figure 1: press WPT twice to call upFind Waypoint screen (Figure 2) and set a waypoint. Figure 3: confir-matio

114Create Waypoint by Entering a Position1. Press WPT, select MY WAYPOINTS|→ to SUBCATEGORY |↓ to NEW|ENT.2. Press ↓ to ENTERED POSITION|ENT|→ to CREA

115Navigation Page, navigating toward waypoint 004.Set Man Overboard (MOB) WaypointOne of boating's most terrifying events is having a friend or

116 Navigating to Man Overboard: Man Overboard Activated message (left).Navigation Page (center). Map Page (right). The victim is to the star-board

117Other features, such as a river or a street intersection will not appearhighlighted, but the cursor will take you to those locations just thesame.3

118On the screen, trails are represented by a solid line extending from theback of the current position arrow.The unit is set at the factory to automa

119New trail named Trail 2 is created when Trail 1 is set to inactive. Newtravel will be recorded in this trail, which is active and visible. Trailsdo

120Navigating TrailsThere are three methods for following a trail: visual trailing, navigatinga trail (forward) and backtracking a trail (backward). T

1215. Begin moving and let your unit guide you.6. When you reach your destination, cancel navigation: pressMENU|MENU|↓ to CANCEL NAVIGATION|ENT. A con

5Custom mapping: ... MapCreate 6 software optional; optionalplug and play LEI FreedomMaps offer thesame high-detail without the computer work

122 Navigate trail, map views: Driver is northbound heading straight to-ward trail point 6 (left). Northbound driver has reached point 6 a

1236. When you reach your destination, be sure to cancel your navigation:press MENU|MENU|↓ to CANCEL NAVIGATION|ENT. A confirmation messagewill appear

124To transfer data from the unit to the MMC: press ENT.To transfer data from the MMC to the unit: press → to LOAD|ENT.3. Saving to MMC: To accept th

125 These figures show the menu sequence for loading a GPS Data Filefrom an MMC into the unit's memory.Cancel NavigationYou can turn off a

126Notes

127Section 7: Advanced GPS OperationsFind Distance from CurrentPosition to Another Location1. While on the Map Page press: MENU|↓ to FIND DISTANCE|ENT

128called later for navigation purposes. These are sometimes referred to asevent marker icons. This unit has 42 different symbols you can pickfrom whe

129 Delete icons menu.The Delete All Icons command will ask if you are sure. Press ← toYES|ENT. All icons will be deleted from the map.The Delete by

130waypoint. Once programmed into the GPS unit, a route provides theoption of navigating forward through the route waypoints or in reverseorder (you c

131 Edit Route menu (left). Edit Route Waypoints menu (right)with Add From Map command selected.3. Use the Zoom keys and arrow keys to move the map

6(Lowrance developed the world's first transistorized sportfishing sonarin 1957.) A sonar consists of a transmitter, transducer, receiver anddisp

132 Route creation sequence, continued: Fig. 4. Point (3) set at on-rampturn. Fig. 5. Waypoint (4) set at highway exit to frontage road leadingto ri

1333. Press ↑ ↓ to change the first character, then press → to move thecursor to the next character and repeat until the name is correct andpress ENT

134 Route Planning on Main Menu (left). Routes menu (center). Edit Routemenu (right). Navigate command is selected in the Action box.2. Press ↓ to s

135 Navigating along a route: Fig. 1 shows the Navigation Page at the startof a route, heading straight for the first waypoint (Wpt 1). In Fig. 2

136to the next character and repeat until the name is correct. Press ENT.Press EXIT repeatedly to return to the main page display.Tip:You can quickly

137 Edit Trail Menu with Pattern option selected (left). Edited trail withdotted line pattern (right).UtilitiesUtilities are useful tools for travel

138To delete a waypoint from the map:1. Use the arrow keys to select the waypoint with the cursor.2. Press WPT|↓ to DELETE WAYPOINT|ENT|← to YES|ENT.

139Set a Waypoint by Average PositionThis feature sets a waypoint at the current position after taking severalposition readings and averaging them. Th

140Notes

141Section 8: System & GPS OptionsAlarmsThis unit has several GPS alarms. By default, all the alarms are turnedon with the exception of the anchor

7as many satellites as it can "see" above the horizon, eliminates theweakest signals, then computes its location in relation to those satel-

142IMPORTANT ALARM NOTESAnchor Alarm - The anchor alarm may be triggered even whenyou're sitting still. This can happen when using a small (less

143and press ENT. Use the ↑ ↓ keys to select the first number, then press→ to move to the next number. When the desired percentage has beenentered, pr

144MMC File Browser.Check MMC Files and Storage SpaceTo check MMC Files:Press MENU|MENU|↓ to BROWSE FILES|ENT.Communications Port ConfigurationThe uni

145For assistance in configuring the unit to communicate with anotherdevice, consult the factory. Customer service phone numbers are in theback of thi

146British, Irish, Finnish, German, New Zealand, Swedish, Swiss, Taiwan,and Greek grid systems are the national coordinate system used only intheir re

147Map FixMap Fix is used with charts or maps. This system asks for a referenceposition in latitude/longitude, which you take from a marked locationon

148Configure a map fix so the unit can find a position on a printed map.Press → to SELECT ORIGIN|ENT|ENT|ENT to bring up the waypoint list.Select th

149Customize Menu with GPS Data and Navigation categories opened.Selecting the category name and pressing ENT will show the category'scontents, s

150The GPS Simulator menu.Adjust the settings to your preferences, then turn on the simulator byhighlighting the GPS SIMULATOR ON box and pressing ENT

151Tip:You can pick any spot on the map to begin your simulation by usingthe Initialize GPS command. See its entry following the entry forHide GPS Fea

8ate software. These MapCreate custom maps contain much greater de-tail than the basic background map. These Custom Map Files (fileformat *.lcm) not o

152You can also turn on or off Map Overlays, which display range ringsand latitude and longitude grid lines. This menu also lets you activateNavionics

153ring diameters are based on the current zoom range. For example: at the100 mile zoom, the screen will show two rings with your current positionin t

154The Map Datum Menu.Map Detail Category SelectionThis menu determines which of the mapping features are shown on thescreen. This includes, waypoints

155 Map orientation (left) is shown in north up and track up (right).This is fine if you're always traveling due north. What you see to yourlef

156NOTEIn North Up and Course Up, the present position arrow appears inthe center of the map page. In Track Up, the position arrow appearscentered in

157 Entrance to Aransas Pass on a NauticPath chart with 8-nautical milezoom (left). Remaining images (left to right): same position at 4-nautic

158Port Services information.Tidal Current InformationNauticPath charts contain Tidal Current information,represented at large zoom ranges by a box ic

159 NauticPath chart showing Tidal Current Station icon selected by cur-sor (left). Tidal Current animated icon at .8-nautical mile range.Current I

160To select another date:1. Use ← → to highlight month, day or year, then press ENT.2. Use ↑ ↓ to select the desired month, day or year and press EN

161Tide Information screen.The Tide Information screen displays daily tidal data for this station onthis date at the present time. The graph at the to

9Three of these satellites are spares, unused until needed. The rest vir-tually guarantee that at least four satellites are in view nearly any-where o

162To display a Navionics chart:1. Install the Navionics MMC in the memory card compartment andturn on the unit. (For full card install instructions,

163 Overlay Data shown screen (left). Data Viewer menu with Navigation andSonar Data categories opened.To overlay information on your screen:1. Pres

164 From Overlay Data Shown (left) press ENT to see Data Viewer (center).Select a category and press ENT. Next, select information to show onscreen

165 Overlay Data Shown, with Water Temp selected (left). Press ENT to ac-cess REMOVE option (center). Press ENT again to remove item and returnto Ov

166To change displayed data font size:1. From the Map or Sonar page, press MENU|↓ to OVERLAY DATA|ENT.2. Press ↓ ↑ to select the desired Data, then us

167 The Reset Options highlighted on System Setup menu (left). Reset Op-tions confirmation message (right).Screen Contrast and BrightnessTo access t

168To select a different language:1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT.2. Press ↓ to SET LANGUAGE|ENT.3. Use ↓ ↑ to select the desired language an

169If you want, you have the option of turning off the WAAS Acquired/Lostalarm without affecting how the unit uses WAAS.1. Press MENU|MENU|↓ to GPS SE

170To set Alarm Style: Press ↓ to ALARM STYLE|ENT. Press ↑ ↓ to selectthe desired alarm style and press ENT. Press EXIT|EXIT to return to thepage disp

171 The Trails Menu (left). Trail Options menu with Distance set as theupdate criteria (right).Update Trail CriteriaThe options are automatic, time

10this by broadcasting correction signals on GPS frequencies. Your unitautomatically receives both GPS and WAAS signals.However, there are some fringe

172Edit Trail menu.Trail Visible/Invisible and Other Trail OptionsThe name, maximum number of points, active and visible settings areall changed on th

173To adjust Transparency:Press MENU|MENU|↓ to TRANSPARENCY|ENT. The TRANSPARENCY slider barappears. Use ↑ ↓ to adjust the transparency level. Press E

174Notes

175Section 9: SearchingNOTE:The background map loaded in your unit lets you to search for U.S.Interstate Highway exits and exit services, as well as s

176There are two options: A. You can spell out the name in the top selec-tion box. Press ↑ ↓ to change the first letter, then press → to move thecurso

177 A POI selected by the cursor (left). POI information screen (right).Find Interstate Highway Exits1. From the Map Page, press MENU|↓ to HIGHWAY E

178 Go To Exit option (left). Find On Map option (right).Tip:You can look up additional information on the Exit Services locatednear an exit. Press

179 Find Waypoint menu with Lodging POI category selected (left) andwith the RV Parks subcategory selected (right).2. To search by the nearest POI,

180 Find by Name option (left). Find by Name menu (right).4. When the POI's Waypoint Information screen is displayed, you canchoose to go to th

181 The Find Streets menu (left). Find Street By Name menu (right).3. The Find Streets menu appears with the street you're searching forin the

11Sonar ViewerYou can also download a free copy of our Sonar Viewer software. ThisPC-based software application plays back any sonar chart log recorde

182letter, then press → to move the cursor to the next letter and repeat untilthe name is correct, then press ENT|ENT. B. Or you can jump down tothe

183Map Page showing results of an intersection search.If you want to navigate to the found intersection, pressMENU|ENT|EXIT.Find Waypoints1. Press WPT

184 Waypoint Information screens with the Go To Waypoint command se-lected (left) and the Find on Map command selected (right).To return to the prev

185Section 10: Supplemental MaterialDatums Used by This UnitWGS 1984DefaultAdindanMean for Ethiopia,SudanAdindanBurkina FasoAdindanCameroonAdindanEthi

186Chua AstroParaguayCorrego AlegreBrazilDabolaGuineaDjakarta (Batavia)Indonesia (Sumatra)DOS 1968New Georgia Islands(Gizo Island)Easter Island 1967Ea

187Naparima BWITrinidad & TobagoNorth American 1927Mean for Antigua,Barbados, Barbuda,Caicos Islands,Cuba, DominicanRepublic, GrandCayman, Jamaica

188Point 58SwedenSanto (DOS)1965 Espirito SantoIslandSao BrazAzores (Sao Miguel,Santa Maria Islands)Sapper Hill 1943East Falkland IslandSchwarzeckNamb

189Notes

190FCC ComplianceThis device complies with Part 15 of the U.S. Federal Communi-cations Commission (FCC) Rules. Operation is subject to the fol-lowing

191LOWRANCE DATABASES LICENSE AGREEMENTTHIS IS A LEGAL AGREEMENT BETWEEN THE END-USER WHO FIRSTPURCHASES THIS PRODUCT AS A CONSUMER ITEM FOR PERSONAL,

Copyright © 2006 Lowrance Electronics, Inc.All rights reserved.No part of this manual may be copied, reproduced, republished, transmitted ordistribut

12Arrow KeysThe arrow keys control the movement of dotted cross-hair lines on yourmapping screen called the cursor. The arrow keys also control a hori

192DATABASES LIMITED WARRANTY"We", "our", or "us" refers to Lowrance Electronics, Inc., the manufacturer ofthis product.

193LOWRANCE ELECTRONICSFULL ONE-YEAR WARRANTY"We," "our," or "us" refers to LOWRANCE ELECTRONICS, INC., the manufacturer

194How to Obtain Service……in the USA:We back your investment in quality products with quick, expert serviceand genuine Lowrance parts. If you're

Accessory Ordering Informationfor all countriesTo order Lowrance accessories such as power cables or transducers,please contact:1) Your local marine d

Visit our web site:Lowrance Pub. 988-0152-111 © Copyright 2006 All Rights ReservedPrinted in USA 011206 Lowrance Electro

13Section 2: InstallationPreparationsYou can install the unit in some other order if you prefer, but we rec-ommend this installation sequence:Caution:

14ducer does "kick-up," the bracket can easily be pushed back into placewithout tools.Read these instructions carefully before attempting th

15water, interference caused by bubbles and turbulence will show on thesonar's display in the form of random lines or dots whenever the boat ismo

16 Align transducer centerline with hull bottom. A dual frequency transducer (left) and a single frequency transducer (right).How low should you go

17knocked off when docking or loading on a trailer.The shoot-thru-hull installation does have its drawbacks. First, someloss of sensitivity does occur

18Align plastic ratchets in bracket.B. Two-piece bracket: Locate the four plastic ratchets in the trans-ducer's hardware package. Press two ratch

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 so-nar unit. Make sure to leave some slack in the cable at the transducer. Ifpossib

233. Route the transducer cable alongside the trolling motor shaft. Useplastic ties (not included) to attach the transducer cable to the troll-ing mot

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

263. Now move the transducer around to find the best location with thestrongest possible bottom signal. If you find a spot with an acceptablebottom si

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

28Speed/Temperature SensorsOptional Speed Sensor InstallationAll the units in this series can display speed and distance traveled, butonly the LMS-339

29 Speed sensor mounting configuration:side view (left) and rear view (right.)If the base of the transom has a radius, fill the gap between the tran

30The Power/Data cable for this unit.CautionAll of the wires in the power/data cable have bare ends for eas-ier installation. The bare ends on any unu

31Powering the Unit(Power Supply cable – red and black wires)The unit works from a 12-volt battery system. For the best results, at-tach the unit powe

iiNavigation Page... 45Map Page...

32Power connections for LMS-334c iGPS and LMS-339cDF iGPS units.NOTE:If you are powering a NMEA 2000 buss, you will attach both theNMEA 2000 Power cab

33years, however, NMEA 2000 will become much more common. To helpyou get the most out of this technology, your Lowrance unit is designedto work with a

34Com-1 wiring to receive NMEA position informationfrom some other GPS receiver.Com-1 wiring to transmit NMEA position informationto another NMEA-comp

35LMS-334c iGPS and LMS-339cDF iGPS cable connections.Mounting the Unit: Bracket or PortableYou can install the sonar unit on the top of a dash with

36Optional R-A-M mounting system.Bracket InstallationMount the unit in a convenient location, provided there is clearancebehind the unit when it'

37Drill a 1-inch (25.4 mm) hole in the dash for the power and transducercables. The best location for this hole is immediately under the gimbalbracket

38Portable InstallationLike many Lowrance products, this unit is capable of portable operationby using an optional portable power pack (PPP). The powe

39The MMC slot is located in a compartment on the front of the case. Thecompartment door is located at the lower right corner. The followingfigure sho

40MapCreate™ 6 CD-ROM (left). MMC card reader for USB ports (right).Face CoverA white protective cover that snaps on and off the front of the unit isa

41Section 3: Basic Sonar OperationThis section addresses the unit's basic sonar operations. The instruc-tions in Sec. 3 are in chronological orde

iiiMap With Sonar Split Screen... 84Sonar Simulator...

424. ARROW KEYS – The arrow keys are used to navigate throughmenus, make menu selections, enter data and move around the map.5. ENT/ICONS – The Enter

43Main Menu.The Main Menu commands and their functions are:Screen: changes the contrast or brightness of the display screen.Sounds: enables or disable

44Pages Menu showing Sonar display options.Satellite Status PageThe Satellite Status Page provides detailed information on the status ofthe unit'

45Navigation PageThis screen has a compass rose that not only shows your direction oftravel, but also the direction to a recalled waypoint. To get to

46Map Page is also the default screen that appears when you turn on theunit. To get to the Map Page from another page, press PAGES|← → toMAP|EXIT.You

47 Sonar display options (from left) Split Zoom and Split Frequency. Sonar chart display options (from left) Digital Data and Flasher.Sonar Page M

48Sonar Page in full sonar chart mode.You can customize how the Sonar Page displays its pictures and otherdata in many ways.We'll discuss all of

49Basic Sonar Quick Reference1. Mount the transducer, antenna and unit. Connect the unit to electricpower and the transducer. (If GPS operation is des

50Sonar 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

51You can change the sensitivity level whether you are in Auto Sensitivitymode or Manual Sensitivity mode. The adjustment method works thesame in both

ivCreate Icon at Current Position ... 128Delete an Icon ...

52NOTE:If you want to change the sensitivity in Manual Mode, turn off AutoSensitivity. From the Sonar Page, press MENU|↓ to AUTO SENSI-TIVITY|ENT|↑ t

53Other Free Training AidsThe sonar options section discusses Fish I.D., fish alarms and otherfeatures in greater detail. If you or a friend has Inter

54Notes

55Section 4: Sonar Options & FeaturesASP (Advanced Signal Processing)The ASP feature is a noise rejection system built into the sonar unitthat c

56AlarmsThis unit has three different types alarms, Sonar, GPS and NMEA2000. There are three Sonar alarms: Fish Alarm, Zone Alarm andDepth Alarm.The

574. Press ← to SHALLOW ALARM ENABLED|ENT. Press EXIT repeatedly to getback to the main page display.To adjust and turn on the deep alarm:1. Press MEN

58Fish AlarmUse fish alarm to receive an audible alarm when fish or other objectsare detected by the Fish I.D. feature (Fish I.D. must be turned on f

593. To enable the Empty Alarm, highlight the EMPTY ALARM Enabled boxand press ENT to turn on (check) the alarm. Press → to the Percent boxand press E

60through the sonar signal cone, the image appears on the screen as along line instead of a fish arch. Reducing the chart speed may result ina shorter

61 Sonar Page menu with ColorLine command selected (left).The ColorLine control bar (right).To adjust the ColorLine level:1. From the Sonar Page, pr

vPop-up Map Information ... 152Map Boundaries ...

62 Sonar Page menu with Depth Cursor selected (left). Sonar chart withactive depth cursor (right). The cursor is set at 34.64 feet deep.The cursor

631. From the Sonar Page, press MENU|↓ to DEPTH RANGE|ENT.2. The Depth Range Control Scale appears. Press ↑ ↓ to select a differ-ent depth range. A bl

64 Sonar Page Menu with Upper and Lower Limits command selected(left). Sonar Chart Limits menu with Upper Limit selected (right).To change the upper

65FasTrackThis feature automatically converts all echoes to short horizontal lineson the display's far right side. The graph on the rest of the

66Does that mean Fish I.D. is broken? No — the feature is interpretingsonar returns in a specific way to help take some of the work out ofreading the

67 Figures 1A and 2A (left) show Sonar Page in normal chart mode. Figures1B and 2B (right) show the same underwater scene with Fish I.D.turned o

68 Sonar Features menu with Fish I.D. Depths selected (left). When thecheck box to the left is checked, the feature is on. Sonar Page with FishI.D.

69Sonar Features menu with a frequency of 200 kHz selected.To change the frequency setting to 50 kHz:1. From the Sonar Page, press MENU|↓ to SONAR FEA

70 Sonar Page menu with the Log Sonar Chart Data command selected(left). Sonar Chart Logging menu, with the Start Logging commandselected (right). T

71command. For example, if you left your watch at home, you could dis-play the local time on top of the map. Or, if you wanted to see detailsabout you

viWARNING!A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHODTO OBTAIN POSITION INFORMATION.CAUTIONWhen showing navigation data to a position (waypoin

72Every Page display has a maximum number of items you can show us-ing the Overlay Data command.5. After the desired changes are made, press EXIT|EXIT

73NOTEYou can also remove data directly from the Data Viewer menu by un-checking the data option you would like to remove. Overlay Data Shown, with

74 Depth selected in the overlay data shown menu (left). By pressing ← →the size of the Depth display will increase or decrease on the display.The s

75When using HyperScroll, you may also need to manually decrease thesensitivity for optimum performance. Depending on water depth andother conditions,

76Reset OptionsThis command is used to reset all features, options and settings to theirdefault settings. This is useful when you have changed several

77If the transducer is 1 foot below the surface, and the screen shows thewater depth as 30 feet, then the actual depth is 31 feet.On sailboats or othe

78Sensitivity & Auto SensitivityThe sensitivity controls the ability of the unit to pick up echoes. Sensi-tivity can be adjusted, because water co

79 Sensitivity selected (left). The Sensitivity Control Bar (right).To adjust sensitivity in manual mode:1. First, turn off Auto Sensitivity: from t

80Pages Menu showing sonar chart display options.Full Sonar ChartThis is the default mode used when the unit is turned on for the firsttime or when it

81Split Zoom Sonar ChartA split chart shows the underwater world from the surface to the bot-tom on the right side of the screen. The left side shows

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 knowyou're

823. The Sensitivity Control Bar appears. Press ↓ ↑ to adjust sensitivity.When it's set at the desired level, press EXIT.Digital Data/ChartThis m

83 Customize highlighted (left). GPS Data and Navigation categories ex-panded in Data Viewer menu (right).Selecting the category name and pressing

84line feature to show weaker targets as lighter colors. The bottom depthis also shown as a black bar across the outer circle.Map With Sonar Split Scr

85NOTE:With Simulate Position checked, the simulator will automatically runthe GPS simulator.2. To use the default sonar chart log stored in the unit,

861. Press MENU|MENU|↓ to BROWSE MMC FILES|ENT|ENT.2. Press ↓ ↑ to file name|ENT|↓ → to PLAY|ENT|EXIT.Select Browse MMC Files from the Main Menu.NOTE:

87Sonar Menu with Stop Chart command selected. The box is unchecked,indicating the chart is scrolling across the screen.Surface ClarityThe markings ex

88To adjust the Surface Clarity level:1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT.2. Press ↓ to SURFACE CLARITY|ENT.3. Press ↓ ↑ to sel

89To adjust Menu Transparency level:Press MENU|MENU|↓ to TRANSPARENCY|ENT. The TRANSPARENCY slider barappears. Press ↑ ↓ to adjust Transparency.Upper

90Notes

91Section 5: Sonar TroubleshootingIf your unit is not working, or if you need technical help, please use thefollowing troubleshooting section before c