Humminbird 998c SI User Manual

90Sonar X-Press™ MenuLower RangeSettings: AUTO, 10 to 1500 ft, 3 to 500 m[International Models only]; Default = AUTOLower Range sets the deepest depth

91Sonar X-Press™ MenuBottom Lock(Sonar Zoom View only)Settings: Off, On; Default = OffBottom Lock changes the mode of the zoomed view in the Sonar Zoo

92Side Imaging® X-Press™ MenuSide Imaging® X-Press™ Menu(Side Imaging® Views only [898c SI, 998c SI])The Side Imaging® X-Press™ Menu providesa shortcu

93Side Imaging® X-Press™ MenuSI SideSettings: Left, Both, Right, Default = BothSI Side sets which transducer beam from the Side Imaging® beams will be

94Side Imaging® X-Press™ MenuSI RangeSettings: 6 to 360 feet, or 2 to 120 meters[International Models only], Default = 150 feet,50 metersSI Range sets

95Down Imaging™ X-Press™ MenuDown Imaging™ X-Press™ Menu(Down Imaging™ Views only [898c SI, 998c SI])The Down Imaging™ X-Press™ Menuprovides a shortcu

96Down Imaging™ X-Press™ MenuDown SensitivitySettings: Auto, 1 to 20, where Low = 1,High = 20, Default = 10Down Sensitivity controls how much detail i

97Down Imaging™ X-Press™ MenuLower RangeSettings: AUTO, 10 to 1500 ft, 3 to 500 m[International Models only]; Default = AUTOLower Range sets the deepe

98Navigation X-Press™ MenuNavigation X-Press™ MenuThe Navigation X-Press™ Menu provides ashortcut to your most frequently-usedsettings. Press the MENU

99Navigation X-Press™ MenuWaypoint [Name](Only with an active cursor on a waypoint)Settings: Edit, Delete, Target, GridWaypoint [Name] allows you to v

Introduction1IntroductionYour Humminbird® Fishing System is configured as follows:• Humminbird® 858c Combo: Wide Screen Fishing System withDualBeam PL

100Navigation X-Press™ MenuSave Current Route(only when Navigating)Settings: Press the RIGHT Cursor key and followscreen instructions.Save Current Rou

101Navigation X-Press™ MenuWaypoint [Name](Most recently-created waypoint)Settings: Edit, Delete, Go To, Target, GridWaypoint [Name] allows you to vie

102Snapshot and Recording X-Press™ MenuSnapshot and RecordingX-Press™ Menu(Snapshot and Recording View only)The Snapshot and Recording X-Press™Menu pr

103Snapshot and Recording X-Press™ MenuDelete All Images(optional-purchase MMC/SD Card, Snapshot andRecording View only)Settings: Press the RIGHT Curs

104Snapshot and Recording X-Press™ MenuNOTE: You can also change playback speed in the Snapshot and Recording Viewusing the LEFT and RIGHT Cursor keys

105Alarms Menu TabAlarms Menu TabFrom any view, press the MENU key twice toaccess the Main Menu. The Alarms tab willbe the default selection.NOTE: Whe

106Alarms Menu TabLow Battery AlarmSettings: Off, 8.5V - 13.5V; Default = OffLow Battery Alarm sounds when the input battery voltage is equal to or le

107Alarms Menu TabArrival AlarmSettings: Off, 25 to 3000 ft, 10 to 1000 m[International Models only]; Default = 150 ft, 50 mArrival Alarm sounds when

108Sonar Menu TabSonar Menu TabPress the MENU key twice to access the MainMenu and then press the RIGHT Cursor keyuntil the Sonar tab is selected.NOTE

109Sonar Menu TabSide View Frequency(Side Imaging® and Down Imaging™ Views only[898c SI, 998c SI]Settings: 800 kHz or 455 kHz; Default = 455 kHzSide V

2IntroductionThe sound pulses are transmitted at variousfrequencies depending on the application.Very high frequencies (455 kHz) are used forgreatest

110Sonar Menu TabFish ID+™Settings: Off, On; Default = OffFish ID+™ uses advanced signal processing to interpret sonar returns andwill display a Fish

111Sonar Menu TabReal Time Sonar (RTS™) WindowSettings: Wide, Narrow, Off; Default = NarrowRTS Window™ sets the RTS Window™ to Wide or Narrow, or turn

112Sonar Menu TabZoom Width(Sonar Zoom View only)Settings: Narrow, Medium, Wide; Default = WideZoom Width adjusts the width of the zoomed view on the

113Sonar Menu TabDepth Lines(Advanced)Settings: Off, On; Default = OnDepth Lines divide the display into four equal sections which are separatedby thr

114Sonar Menu TabMax Depth(Advanced)Settings: AUTO, 10 to 1500 feet; 3 to 500 meters[International models only], Default = AUTOMax Depth controls the

115Sonar Menu TabColor BarSettings: Off, On, Default = OnColor Bar allows you to display or suppress the display of the color barshown in the full scr

116Navigation Menu TabNavigation Menu TabPress the MENU key twice to access theMain Menu, then press the RIGHT Cursorkey until the Navigation tab is s

117Navigation Menu TabSaved TracksSettings: Edit, Delete, DefaultSaved Tracks allows you view the Saved Tracks submenu. See Introductionto Navigation:

118Navigation Menu TabRoutesSettings: Create, Edit, Delete, Travel, InfoRoutes allows you to view the Routes submenu. See Introduction toNavigation: S

119Navigation Menu TabTrolling Grid RotationSettings: 0° to 89°, Default = 0°Trolling Grid Rotation allows you to set the orientation of the trolling

Introduction3DualBeam PLUS™ Sonar(858c, 898c SI, 958c, 998c SI)The Fishing System uses a 200/83 kHzDualBeam PLUS™ sonar system with a wide(60°) area o

120Navigation Menu TabMap Datum(Advanced)Settings: Various, Default = WGS 84Map Datum allows you to change the map coordinate system used by theFishfi

121Chart Menu TabChart Menu TabPress the MENU key twice to access theMain Menu and then press the RIGHT Cursorkey until the Chart tab is selected.NOTE

122Chart Menu TabSet Simulation Position(Advanced)Settings: Press the RIGHT Cursor key and followscreen instructions to activate.Set Simulation Positi

123Chart Menu TabChart Detail Level(optional-purchase Navionics® charts only)Settings: Basic, Navigation, Underwater, All;Default = AllChart Detail Le

124Chart Menu TabNVB Chart PreferenceDefault = AutoNVB Chart Preference allows you to select a built-in chart if you have anNVB unit. If you select Au

125Chart Menu TabShallow Water Highlight(optional-purchase LakeMaster® charts only)Settings: 0 - 30 ft, 0 - 5 fathoms, 0 - 10 m(International Models o

126Setup Menu TabSetup Menu TabFrom any view, press the MENU key twice toaccess the tabbed Main Menu, then pressthe RIGHT Cursor key until the Setup t

127Setup Menu TabUnits - Speed(with Speed input only)Settings: Domestic Models: mph, kts; InternationalModels: kph; Default = mph/kphUnits - Speed sel

128Setup Menu TabSelect Readouts(Advanced)Settings: Various, Default = OffSelect Readouts sets the information to display in each of the 5 fixed-posit

129Setup Menu TabDepth Offset(Advanced)Settings:-10.0 to +10.0 feet or -3 to 3 meters[International models only], Default = 0.0, or OffDepth Offset wi

Introduction4Universal Sonar 2Your Fishing System supports Universal Sonar 2, a state-of-the-art,integrated and protected transducer that is built int

130Setup Menu TabPosition Format(Advanced)Settings: dd.ddddd°, dd°mm.mmm', ordd°mm'ss"; Default = dd°mm.mmm'Position Format select

131Setup Menu TabWhen navigating, the following NMEA sentences are also output:APB - Autopilot Sentence BBWR - Bearing and Distance to WaypointRMB - R

132Views Menu TabFrom any view, press the MENU key twice toaccess the tabbed Main Menu, then press theRIGHT Cursor key until the Views tab isselected.

133Screen Snapshot(optional-purchase MMC/SD Cards only)Settings: Off, On; Default = OffScreen Snapshot activates the screen snapshot function. When Sc

134As target information is received, the information is displayed in the ChartViews. In Bird’s Eye View, only the target position is displayed.• Vess

135To Change Settings in the AIS Submenu:Highlight AIS is in the Accessories MENU Tab, and press the RIGHT Cursorkey to access the AIS Submenu.Trackin

136TroubleshootingBefore contacting the Humminbird® Customer Resource Center, please readthe following section. Taking the time to review these troubl

137Display ProblemsThere are several main conditions or sources of possible interference that may cause problems with the quality of the information d

138Finding the Cause of NoiseElectrical noise usually affects the display with many black dots at high speeds, and high sensitivity readings. One or m

1391-Year Limited WarrantyWe warrant the original retail purchaser that products made byHumminbird® have been manufactured free from defects in materi

Installation Introduction5Fishing System ConfigurationThe Fishing System has a wide variety of configurations that will influence theinstallation. The

140Any repairs made after the original warranty will be warranted for an additional90 days after service has been performed by our factory technicians

141Fishing System AccessoriesAccessories customize the 800 Series™ and 900 Series™ to your needs andenable you to stay on the edge of new technology.

142With the new InterLink™ Network Connection, you can now share GPSposition, waypoints, routes and your current track between twoHumminbird® Fishing

143ENVIRONMENTAL COMPLIANCE STATEMENT: It is the intention of Humminbird® tobe a responsible corporate citizen, operating in compliance with known and

144Beam (Sonar Beam) The wide, cone-shaped projection of sound waves formed assound travels underwater. See Cone Angle.Bottom Contour The profile of t

145Power Output The amount of sound energy emitted into the water by thetransducer’s transmitter. Power output is measured using either RMS (Root Mean

146Glossary Sonar Terms GPS & Navigation Termsprovide a very good 2 1/2 inches of target separation in shallower than 100 feet ofdepth. Target sep

Glossary GPS & Navigation Terms147advent of WAAS has largely negated the need for the added expense of a DBR in theUnited States.Distance To Go Th

Glossary GPS & Navigation Terms148Selective Availability (SA) A GPS system “feature” that can be implemented bythe U.S. Department of Defense (DoD

149Appendix ASide Imaging® Transducer Mounting Template (XHS 9 HDSI 180 T)Appendix A

Installation Introduction6Video-Out and RS 232 ConnectorsYour unit has a built-in Video Out connector and a dual RS 232 connector,which can be used wi

Contact Humminbird®Contact the Humminbird® Customer Resource Centerin any of the following ways:By Telephone(Monday - Friday 8:00 a.m. to 4:30 p.m. Ce

Installation - Gimbal Mount7Gimbal Mounting the Control HeadIf you are gimbal mounting the Humminbird®, you can pre-assemble the unitin order to plan

Installation - Gimbal Mount8NOTE: Alternate hole patterns are available on the gimbal mounting bracket, andmay match existing holes on the boat. You m

Installation - Gimbal Mount9Remove the hole cover, drill the two mounting holes using a 9/64"bit. Do not install the hole cover at this time.6b.

iThank You!Thank you for choosing Humminbird®, America's #1 name in fishfinders.Humminbird® has built its reputation by designing and manufacturi

Installation - Gimbal Mount109. Insert cable connectors into the proper recesses on the cablecollector insert. The cable connectors are keyed to preve

11Installation - Power10. While holding cables in placein the cable collector insert,thread the cables throughthe slot in the bottom of thecable colle

12Installation - PowerNOTE: In order to minimize the potential for interference with other marineelectronics, a separate power source (such as a secon

13Transom Mount - DualBeam PLUS™858c & 958c Transom Mount Transducer InstallationDualBeam PLUS™ Transducer, XNT 9 20 T (858c and 958c only)The Dua

14Transom Mount - DualBeam PLUS™1. Locating the transducer mounting locationNOTE: If transom mounting is not possible because of a stepped hull orcavi

15Transom Mount - DualBeam PLUS™• If the transom is behind the propeller(s), it may be impossible to findan area clear from turbulence, and a differen

16Transom Mount - DualBeam PLUS™3. Continue to hold the bracket on the transom of the boat, and use apencil or marker to mark where to drill the two m

17Transom Mount - DualBeam PLUS™NOTE: It is important to take your measurement inthe figure showing Measuring the TransomAngle, from exactly 12 inches

18Transom Mount - DualBeam PLUS™3. Put the pivot bolt through the assembly to hold it in position andloosely install the nut, but do NOT tighten the n

19Transom Mount - DualBeam PLUS™7. Adjust the transducer assembly vertically, until the seam on theleading edge of the transducer (the edge closest to

Table of ContentsiiIntroduction 1How Sonar Works ...

20Transom Mount - DualBeam PLUS™4. Routing the CableThe transducer cable has a low profile connector, which must be routed tothe point where the contr

21Transom Mount - DualBeam PLUS™NOTE: If there is excess cable that needs tobe gathered at one location (as shown inthe illustration), dress the cable

22Transom Mount - DualBeam PLUS™NOTE: The deeper the transducer is in the water, the more likely that a roostertail of spray will be generated at high

23Transom Mount - DualBeam PLUS™Locking Down the Transducer (Optional)NOTE: You have the option to lock down the Two Piece Kick Up bracket if you dono

24858c & 958c Inside the Hull Transducer InstallationDualBeam PLUS™ Transducer, XNT 9 20 T (858c and 958c only)NOTE: Do NOT install the Side Imagi

25Inside the Hull Mount - DualBeam PLUS™2. Trial installationYou will not be able to adjust the mounting after an inside the hulltransducer is install

26Inside the Hull Mount - DualBeam PLUS™6. Run the boat at various speeds and water depths while observingthe screen on the control head. If depth per

27898c SI & 998c SITransom Mount Transducer InstallationSide Imaging®Transducer, XHS 9 HDSI 180T (898c SI or 998c SI only)In addition to the hardw

28Transom Mount - Side Imaging®OverviewIf you will be installing a Side Imaging® transom mounted transducer, usethe procedures in this section. There

29Transom Mount - Side Imaging®• The hydrodynamic shape of your transducer allows it to point straightdown without deadrise adjustment.• On boats with

Table of ContentsiiiTesting the System Installation 38Power On the Control Head 39What’s on the Control Head 39Key Functions 40POWER/LIGHT Key...

30Transom Mount - Side Imaging®5. Align the metal mounting bracket with the mounting holes. The centerslot should be above the two outer slots. (This

31Transom Mount - Side Imaging®Adjusting the running position of the transducerThe transducer mounting bracket allows height and tilt adjustment, whil

32Transom Mount - Side Imaging®Routing the cableThe transducer cable has a low profile connector that must be routed to thepoint where the control hea

33Test & Finish Transducer InstallationTrolling Motor Transducer InstallationSeveral styles of the transducer are compatible with trolling motor m

344. If the unit is working properly, gradually increase the boat speed totest high-speed performance. If the unit functions well at lowspeeds but beg

35GPS- Stem MountStem Mounting with an Existing 1" - 14 Thread StemFollow these steps to stem mount the GPS receiver:NOTE: If you have an existin

Access Under Mounting LocationFollow these steps to deck mount the GPS receiver when routing the cabledown through the mounting location:1. Determine

3. The GPS receiver has two wire routing notches. Use the cable notchclosest to the intended cable route.4. With the cable routed, position the GPS re

38Test System InstallationTesting the System InstallationAfter you have completed the installation of the control head, transducer,and any other acces

39What’s on the Control HeadPower On the Control HeadPress the POWER/LIGHT key to power on your Humminbird® controlhead. When the Title screen is disp

Table of ContentsivChart/Down Imaging™ Combo View(898c SI and 998c SI only)...72Down Imaging™/Sonar Combo View(89

40Key FunctionsKey FunctionsYour Fishing System has a set of easy to use keys that give you flexibility andcontrol over your fishing experience.POWER/

41Key Functions4-WAY Cursor Control Key(RIGHT, LEFT, UP, or DOWN Cursor Keys)The 4-WAY Cursor Control key has multiple functions,which depend on the v

42Key FunctionsINFO KeyPress the INFO key while in Bird's Eye, Chart, or Combo Viewto display information about objects that are near an activecu

43Multi-Media Card SlotsMulti-Media Card(MMC)/SD SlotsThe two multi-media card (MMC)/SD slotson your control head can be used withMMC/SD cards (option

44Multi-Media Card SlotsUpdate SoftwareSoftware updates can be added to your Fishing System. Go to theHumminbird® web site for information and compute

45What’s on the Sonar DisplayWhat’s on the Sonar DisplayThe Fishing System can display a variety of useful information about the area under and adjace

46What’s on the Sonar DisplayUnderstanding the Sonar DisplayIt is important to understand the significance ofthe display. The display does NOT show a

47What’s on the Sonar DisplayFreeze Frame and Active CursorFreeze Frame & Active Cursor - Press any arrow on the 4-WAY CursorControl key, and the

48What’s on the Side Imaging® DisplayWhat’s on the Side Imaging® Display(898c SI and 998c SI only)Side Imaging® displays a number of easily recognizab

49What’s on the Side Imaging® DisplayUnderstanding the Side Imaging® DisplayIt is important to understand how Side Imaging® technology produces thedis

Table of ContentsvDown Imaging™ X-Press™ Menu(Down Imaging™ Views only [898c SI, 998c SI])95Active Side(Combo Views only)...

50What’s on the Side Imaging® DisplaySide Imaging® Frequencies and CoverageSide Imaging® sonar uses two very precise sonar beams that are directed toe

51What’s on the Side Imaging® DisplayFor Best PerformanceUse the following tips and examples to help you interpret the Side Imaging®display.Boat speed

52What’s on the Side Imaging® DisplaySubmerged Bridge, Alternative PerspectiveSubmerged Bridge11Submerged Standing and Fallen Timber, and Bait Fish1Ba

Views53ViewsThe sonar and navigation information from your FishingSystem are displayed on the screen in a variety of easy-to-read views. Many of these

Views54To customize your view rotation:You can choose which views are hidden or visible in your view rotation.1. Press the MENU key twice to access th

Views55Side Imaging® View(898c SI and 998c SI only)Side Imaging® View shows a shadowed right- and left-looking view from theboat as the boat passes ov

Views56Down Imaging™ View(898c SI and 998c SI only)Down Imaging™ View displays the down beam portion of the data from theSide Imaging® beams. The Down

Views57Sonar ViewSonar View presents a historical log of sonar returns. The most recent sonarreturns are charted on the right side of the display. As

Views58Sonar Zoom ViewSonar Zoom View provides a magnified view of the bottom and structure.The Sonar Zoom View makes it easier to see separate sonar

Views59Split Sonar ViewSplit Sonar View displays sonar returns from the 83 kHz wide beam on theleft side of the screen and sonar returns from the 200

Table of ContentsviSonar Menu Tab 108Beam Select ...

60ViewsSnapshot and Recording View(optional-purchase MMC/SD card required)Snapshot and Recording View displays the screen snapshots andrecordings that

61ViewsScreen SnapshotsScreen Snapshots are saved pictures of the view on the screen. The screensnapshot will include the menus, dialog boxes, warning

62ViewsView a saved Screen Snapshotfrom Chart View:1. In Chart View, use the 4-WAYCursor Control key to movethe active cursor onto aScreen Snapshot Ic

63ViewsNotes about Recording:• While recording, press the EXIT key to exit the Snapshot and RecordingX-Press™ Menu and scroll to a different view. Rec

64ViewsNotes about Playback:• “Playback” will flash periodically on the screen to indicate that thecontrol head is playing a saved recording and not a

65ViewsSide Beam View(optional-purchase QuadraBeam PLUS™ transducer required)Side Beam View displays sonar data from the left and right 455 kHz beamsa

66ViewsClassic layout: The top portion of the display presents a historical log ofsonar returns from the 200 kHz down-looking sonar beam. New informat

67ViewsBird’s Eye ViewBird’s Eye View shows a 3D perspective view of the track and the chart’sland contour from a point above and behind the boat (the

68ViewsChart ViewChart View shows cartography from the built-in Contour XD™, built-inUniMap™, or an optional MMC/SD map for the area surrounding yourc

69Combo ViewsCombo ViewsCombo Views display two views on the screen at the same time. You canperform functions for either side of the view, access the

Table of ContentsviiMap Borders...

70Combo ViewsChart/Bird’s Eye Combo ViewChart/Chart Combo View shows the Chart and Bird’s Eye views in acombination split screen..Chart/Chart Combo Vi

71Combo ViewsChart/Sonar Combo ViewChart/Sonar Combo View shows both the Chart and Sonar views in acombination split screen.Chart/Side Imaging® Combo

72Combo ViewsDown Imaging™/Side Imaging® Combo View(898c SI and 998c SI only)Down/Side Imaging® Combo View shows Down Imaging™ and SideImaging® sonar

73Combo ViewsDown Imaging™/Sonar Combo View(898c SI and 998c SI only)Down Imaging™/Sonar Combo View shows traditional Sonar informationon the left and

74Viewing CartographyView OrientationBoth Chart and Combo Views allow you to choose the orientation of theview (see Navigation Menu Tab: Chart Orienta

75Viewing CartographyZooming: Press the Plus (+) key to Zoom In and the Minus (-) key to ZoomOut to see the cartography at different magnification lev

76Introduction to NavigationIntroduction to NavigationUse your Fishing System to mark waypoints at areas of interest and tonavigate to those waypoints

77Introduction to NavigationSave, Edit, or Delete a WaypointSave your current position as a waypoint: On any view, press the MARKkey to save the curre

78Introduction to NavigationNavigate to a Waypoint or PositionNavigate to the cursor position: From the Chart or Combo View, use the4-WAY Cursor Contr

79Introduction to NavigationNOTE: Only one waypoint can have either a target or a grid applied to it at onetime. If you apply a target or a grid to a

Table of Contentsviii1-Year Limited Warranty 139Humminbird® Service Policy 139Fishing System Accessories 141Specifications 142Glossary 144Appendix ASi

80Introduction to NavigationSave or Clear a Current TrackSave the current track: From the Navigation X-Press™ Menu, select SaveCurrent Track, and pres

81Introduction to Navigation - MOBMan Overboard (MOB) NavigationAs soon as you know that you have a man overboard (MOB), you shouldactivate MOB naviga

82The Menu SystemThe Menu SystemThe Menu System is divided into easy-to-use menu modules as follows:• Start-Up Options Menu: Press the MENU key during

83Start-Up Options MenuSimulatorUse Simulator to learn how to use your Fishfinder before taking your boaton the water. The Simulator is a very powerfu

84Start-Up Options MenuAccessory Test lists the accessories connected to the system.NOTE: The speed accessory will be detected only if the paddlewheel

85X-Press™ Menu, Main MenuX-Press™ MenuThe X-Press™ Menu provides a shortcut toyour most frequently-used settings. Theoptions provided on the X-Press™

86Menu Quick TipsQuick Tips for the Main Menu• From any menu option on a menu tab, press the EXIT key to jumpdirectly to the top of the tab.• From the

87Menu Quick TipsUser Mode (Normal or Advanced)Menu options can be simplified or expanded by setting your Fishfinder UserMode to Normal or Advanced.No

88Sonar X-Press™ MenuSonar X-Press™ MenuThe Sonar X-Press™ Menu provides ashortcut to your most frequently-usedsettings. Press the MENU key once while

89Sonar X-Press™ MenuSensitivitySettings: Low = 1, High = 20; Default = 10Sensitivity controls how much detail is shown on the display and will adjust