Humminbird 937C COMBO manual

93x_Man_531370-1_A - vs4.qxd 2/18/2005 11:11 AM Page 1[...]

i THANK Y OU! Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation by designing and manufacturing top- quality , thoroughly reliable marine equipment. Y our Humminbird® is designed for trouble-free use in even the harshest marine environmen t. In the unlikely event that your Humminbird®[...]

ii T ABLE OF CONTENTS 900 Series™ Introduction 1 How the 900 Series™ W orks .................................................................................................................... 1 Single Beam Sonar .....................................................................................................................................[...]

iii T ABLE OF CONTENTS The Menu System 44 Start-Up Options Menu 4 5 Normal Operation ............................................................................................................... ....................... 46 Simulator ....................................................................................................................[...]

T ABLE OF CONTENTS iv Alarms Menu T ab 66 Depth Alarm .................................................................................................................... ............................ 6 7 Fish ID Alarm ....................................................................................................................................[...]

1 900 SERI ES™ INTRODUCTION Y our 900 Series™ Ultra Wide Screen Fishing System comes in several dif ferent configurations. See the following list of pr oducts, all of which are co vered by this manual, to find your 900 Series™ configuration: NOTE : Only 93 7c DF Combo and 93 7c Combo models c ome with GPS and built -in cartography . • Hummi[...]

GPS AN D CART OGRAPHY (with 937c DF C ombo and 937c Combo models only) The 937c DF Combo and 93 7c Combo models use GPS and sonar to det ermine your position, display it on a grid, and provide detailed underwater information. The Global Positioning Syst em (GPS) is a satellite navigation system designed and maintained by the U.S . Depar tment of De[...]

3 AC CESSORY BUS Use the Accessory Bus to expand the functionality of your 900 Series™. Accessories plug directly into the 900 Series™, enabling Advanced features suc h as W eatherSense® and the SmartCast® Wireless Sonar Link. Additional tabs and menu choices will be added to the menu system aut omatically when an accessory is plugged into th[...]

Inside the boat there is often a c hannel or conduit used for other wiring, this can be used to rout e cables. Be sure to route the cable as far as practical from the an tenna cable of VHF radios or tachometer cables to reduce the possibility of in terference. The transducer and GPS receiver cables should not be cut, and care should be used not to [...]

5 1. Place the control head in to the gimbal brack et. Make sure that the straight side of the gimbal arm is against the back side of the c ontrol head. 2. Place a 1" (25 mm) diameter black washer on the gimbal knob and then thr ead the knob and washer into the housing. Tighten the gimbal knob t o secure the 900 Series™ contr ol head to the [...]

5. Set the gimbal brack et aside and drill the four mounting screw holes using a 5 /32" (4.0 mm) drill bit. 6a. If the cables must pass through a hole directly beneath the mounting brac ket, mark and drill an additional 1" (25 mm) hole centered between the f our mounting holes. Route the cables through the gr ommet, then press the grom- m[...]

7 9 . While holding cables in place in the cable collector insert, thread the cables through the slot in the bot tom of the cable collector cover , line up the cable collector insert and cover , then slide the cover into place on the insert. NOTE: The tab on the Cable C ollector insert goes into the slot on the c over . 10 . A ttac h the cable coll[...]

IN-DASH MOUNTI NG THE CONTROL HEAD If you are in- dash mounting the control head, start by placing the components on the surfaces where you intend to install them befor e installation. Make sure that the surfaces you have chosen provide adequate pr otection from wave shock, and that all cables can reach the c ontrol head. NOTE : If a cable is t oo [...]

9 7 . While holding cables in place in the cable collector insert, thread the cables through the slot in the bot tom of the cable collector c over , line up the cable collector insert and cover , then slide the c over into place on the insert. NOTE: The tab on the cable c ollector insert goes into the slot on the cover . 8. At tach the cable collec[...]

CONNECTING TH E CONTROL HEAD POW ER CABLE TO THE BOA T A 6' (2 m) long power cable is included to supply power to the c ontrol head. Y ou may shorten or lengthen the cable using 18 gauge multi- stranded copper wire. CAUTION: Some boats have 24 or 36 V olt electric systems, but the con trol head MUST be connected to a 12 VDC power supply . The [...]

11 TRANSOM TRANSDUCER I NS T ALLA TION If you will be installing a transom mounted transducer , use the pr ocedures in this section. Y ou will have one of two different types of transducer , based on whether you have a Single (931c or 937c C ombo) or a Dual (931c DF or 937c DF C ombo) frequency 900 Series™ contr ol head. There are two pieces to t[...]

T o mount the transducer brack et to the boat (Single frequency unit): 1. Remove the transducer mounting templat e from this manual. See Appendix A for the Single Frequency Mounting T emplate. NOTE : Please mak e sure that you use the correct drill holes for the hull composition of your boat. 2. Hold the template on the transom of the boat in the l[...]

13 T o mount the transducer pivot as sembly to the brack et (Single frequency units ): 1. Insert the pivot/transducer assembly into the mounting brac ket. 2. Do not snap the assembly closed. 3. Apply marine- grade silicone sealant to the moun ting holes drilled into the transom. 4. Align the transducer assembly with the drilled holes in the transom[...]

T o mount the transducer brack et to the boat (Dual frequency unit): 1. Remove the transducer moun ting template from this manual. See Appendix B for the Dual Frequency T ransducer Mounting T emplate. 2. Hold the template on the transom of the boat in the location where the transducer will be installed. Align the template vertically , matching the [...]

15 T o mount the transducer pivot as sembly to the brack et (Dual frequency units ): 1. Slide the assembled transducer into the metal brac ket from the bot tom, aligning the large hole at the top of the brac ket with the hole in the pivot. 2. Insert the headed pin through the pivot holes in the brack et and pivot. The headed pin can be inserted fro[...]

5. If access to the top moun ting hole is not possible due to the selected height of the transducer , fully tighten the two lower screws , then simply remove the headed pivot pin and the transducer assembly , and tight en the top screw , then reassemble. 6. C onfirm that the pivot angle has not changed and that all mounting screws are fully tighten[...]

17 INSI DE THE HU LL TRANSDUCER INST ALLA TION If you choose to moun t your transduc er inside the hull of your boat, perform the procedures in this section. The inside the hull mounting procedur e is identical regardless of what type of transducer you have (Single or Dual frequency). In-hull mounting generally produces good results in single thic [...]

4. Fill the hull with enough water to submerge the transducer body . Use a sand-filled bag or other heavy object to hold the transducer in position. The transducer cannot transmit through air , and the water purges any air from between the transducer and the hull, and fills any voids in the coarse fiberglass surface. 5. View the sonar signal on the[...]

19 TROLLING MOTOR TRANSDUCER INS T ALLA TION If you want to install the transducer on a trolling mot or , use this procedure. Several styles of the transducer are compatible with trolling mot or mounting. If you have a trolling motor brac ket, refer t o the separate installation instructions that are included with the brack et. NOTE: After tr ollin[...]

NOTE: It may not always be possible t o get symmetrical fish arches and high speed depth readings at the same time. Due to the wide variety of boat hulls , however , it is not always possible to obtain high speed depth readings. NOTE: It is of ten necessary to make several incremental transducer adjustments bef ore optimum high speed performance is[...]

21 2. Screw on the receiver base to the st em first, making sure that the stem pipe does not protrude from the receiver base. This adds protection to the cable when pulling it thr ough the pipe stem. In addition to this , de- burr the pipe edges to reduce cable abrasion. 3. Use electrical tape to secure the NME A pigtail to the cable as shown. NOTE[...]

NO AC CESS UN DER MOUNTI NG LOCA TION Follow these steps to dec k mount the GPS receiver in a situation where you must rout e the cable to the side because there is no space for a cable underneath the mounting location. 1. Determine the best location, then test r oute the cable from the mounting location to the con trol head. NOTE : AS-E C10 10&apo[...]

23 SPEED ACCESSOR Y INST ALLA TION NOTE : Y ou will only need to perform this procedure if you have a Speed-Only Sensor . The Speed accessory incorporates a paddlewheel-type speed sensor in a high-impact plastic housing. The module is intended for installation on the transom, and will work well on almost any boat. In addition to the parts supplied,[...]

Routing the speed cable to the c ontrol head: 1. Y ou may route the cable over the top of the transom, or drill a 5 /8” (16 mm) diameter hole in the transom directly above the module and above the waterline to r oute cable through. Use the cable clamps provided t o secure the cable to the transom of the boat. If you use a through-hole, then also [...]

25 TES TING TH E S YS TEM INS T ALLA TION Aft er you have completed the installation of the contr ol head, transducer , and any other accessories such as the GPS receiver , and have made all the cabling connections required, you must test the installation befor e using the system. Thorough testing should be performed with the boat in the water; how[...]

GETTING ST ARTED - USI NG Y OU R 900 SERI ES™ Y our 900 Series™ Fishing System user interface is easy to use. A c ombination of keys, differ ent views, and situation-specific, customizable menus allows you to contr ol what you see on the color display . Refer to the following illustration, and see K ey Functions , Views , and The Menu System ) [...]

27 WHA T ’S ON TH E SONAR DISPLA Y The 900 Series™ can display a variety of useful information about the area under and adjacent t o your boat, including the following items: Sonar Color Bar - color spectrum indicating low to high sonar intensity returns, where red indicates high intensity and white indicates low intensity . Depth - water depth[...]

UN DERS T ANDING SONAR H IS T ORY It is important to understand the significance of the 900 Series™ display . The display does NO T show a literal 3- dimensional representation of what is under the water . Each vertical band of data received by the control head and plot ted on the display represents something that was detected by a sonar r eturn [...]

29 WhiteLine® highlights the strongest sonar r eturns in white, resulting in a distinctive outline. This has the benefit of clearly defining the bot tom on the display . KEY FUNCTIONS Y our 900 Series™ user interface consists of a set of easy-to-use keys that work with various on-screen views and menus to give you flexibility and con trol over y[...]

T o adjust the backlight or t o adjust the display background c olor , press the POWER/LIGHT k ey to access the Light and Backgr ound menu. Use the 4-W A Y Cursor key to select Light or Bac kground and then use the LEFT or RIGHT Cursor key t o change the set tings. Press EXIT to e xit the Light and Background menu. Press and hold the POWER/LIGHT k [...]

31 VIEW PRESET KEYS The VIEW PRESET keys are used to pr ogram your three favorite views for quick r etrieval. Instead of using the VIEW key to cycle through every view to find the one you want, you can program the VIEW PRESET keys t o display a specific view immediately . T o program eac h VIEW PRESET key , use the VIEW key to cycle t o the view yo[...]

VIEWS The views available on your 900 Series™ are: Sonar views: • Sonar View • Sonar Zoom View • Split Sonar View (937c DF Combo/ 931c DF models only) • Self T est View • Accessor y T est View Navigation views: • Bird’ s Eye View (93 7c Combo/ 937c DF models only) • Char t/Bird’ s Ey e Combo View (93 7c DF Combo and 93 7c Combo [...]

33 SONAR VIEW Sonar View presents a historical log of sonar r eturns. The most recent sonar returns are charted on the right side of the window; as new information is r eceived, the older information is moved across the display t o the left. A scale with Upper and Lower Depth Range readouts appears along the right edge of the Sonar View . The scale[...]

Freeze Frame - Pressing any arr ow on the 4-W A Y Cursor Control k ey will freeze the screen in the Sonar Zoom View and a cursor and cursor dialog bo x will be displayed on the screen. The cursor can be positioned on the display using the 4-W A Y Cursor Contr ol key to determine the depth of any sonar return. The R TS® Window continues to update i[...]

35 BIRD’S EYE VI EW (937c DF C ombo and 937c Combo models only) Bird's Eye View shows a 3D perspective view of the track and the c hart land contour from a point above and behind the boat (the eye poin t). As the boat turns, the eye point moves to f ollow the boat. Big Digits on this view provide digital data in a large, easy-to-see format. [...]

CHART /BIRD’S EYE COMBO VIEW (937c DF C ombo and 937c Combo models only) Chart/Bird’ s Eye Combo View shows both the Chart and Bird’ s Ey e views in a combination split screen. Y ou can perform any of the functions for either of these views, but only when the view you want t o control is selected as the active side (see Sonar X -Press™ Menu[...]

37 CHART /SONAR C OMBO VIEW (937c DF C ombo and 937c Combo models only) Chart/Sonar Combo View shows both the Chart and Sonar views in a combination split screen. Y ou can per form any of the functions for either of these views , but only when the view you want to c ontrol is selected as the active side (see Sonar X -Press™ Menu: Active Side or N[...]

CHART ORIE NT A TION All the chart views allow you to choose the orientation of the c hart. When Nor th-Up orientation is selected, T rue Nor th is shown at the top of the display . In other words, objects located to the north of the boat are drawn above the boat. When Course-Up orientation is selected, the direction of motion of the boat is shown [...]

39 Zooming: Use the Plus (+) key to Z oom In and the Minus (-) key t o Zoom Out showing the cartography at differen t scales. The scale is indicated on the left side of the display . If you zoom in beyond the available c har t data, the display will go int o Overzoom mode whereby the last available chart data is amplified to reflect the scale selec[...]

W A YPOINTS, ROUTES AND TRACKS (937c DF C ombo and 937c Combo models only) W aypoints are stor ed positions that allow you to mark areas of interest or navigation points. Y our 900 Series™ can store up to 3000 waypoints. Routes link two or more waypoints t ogether to create a path for navigation, and ar e used in trip planning. Y ou can link indi[...]

41 Display the W aypoints Submenu: From any view , press the MENU key twice to display the Main Menu System, then use the RIGHT Cursor k ey to select the Navigation tab. Select Waypoin ts and press the RIGHT Cursor key to display the W aypoints submenu. Program a specific position as a wa ypoint: T o create a waypoint that is NO T your current posi[...]

ADD A W A YPOI NT T ARGET OR TROLLI NG GRID (937c DF C ombo and 937c Combo models only) Add or Remove a W aypoint T arget: From the W aypoints submenu ( accessed from the Navigation main menu), select T arget and press the RIGHT Cursor key to display a list of waypoints. Select the waypoint you want to tar get. A target consisting of concentric cir[...]

43 SA VE, E DIT OR DELETE A ROUTE (937c DF C ombo and 937c Combo models only) Save the current route: While you are navigating , the current rout e can be saved. From the Navigation X -Press™ Menu, select Save Current Route and press the RIGHT Cursor key . Navigation will continue. Display the Routes submenu: Fr om any view , press the MENU key t[...]

THE MEN U S YS TEM The menu system is divided int o easy-to-use menu modules. The main componen ts of the menu system are: Start-Up Options Menu: Press the MENU key during the power up sequence t o view the Start -Up Options menu. See Star t -Up Options Menu . X -Press™ Menu: The X-Pr ess™ Menu allows you to access the set tings that are change[...]

45 User Mode (Normal or Advanced): An Advanced Mode is pr ovided for users who desire the highest level of contr ol over the 900 Series™ and Normal Mode for users who desire greater simplicity and f ewer menu choices. Additional Advanced menu choices will be displayed throughout the menu s ystem when you navigate to specific menus while in Advanc[...]

NORMAL OPERA TION Use Normal operation for on-the- water operation with a transducer connected. In addition, your 900 Series™ uses advanced transducer detection methods to determine if a transducer is connected. If a functioning transducer is connected, Normal operation will be selected automatically at power up and your 900 Series™ can be used[...]

47 S YS TEM S T A TUS Use System Status t o view system connections and to c onduct a unit self-test. E xit System Status by powering your 900 Series™ of f . The following screens are displayed in turn when you press the VIEW but ton when using System Status: • Self T est • Accessor y T est • GPS Diagnostic View (937c DF Combo and 93 7c Com[...]

This view also reports the current position, local time and date, and other numeric information. The current GPS Fix T ype is reported as No Fix, 2D Fix, 3D Fix , or Enhanced. An Enhanced fix has been augmented using information fr om W AAS, EGNOS , or MSAS. A 3D or Enhanced Fix is required for navigation. HDOP (the Horizontal Dilution of Precision[...]

49 ACTIVE SIDE Active Side allows you to select which side of a Combo View will be active; key pr esses will only affect the active side of the screen. When a menu is displayed, the non-active side of the screen will be grayed out; at any other time, a green arrow will point t o the active side. Combo Views usually display sonar on the left, with c[...]

UPPER RANGE (Advanced: Sonar , Split Sonar and Active Sonar Side Views only) Upper Range sets the shallowest depth range that will be displayed on the Sonar , Split Sonar and Active Sonar Side Views. The Upper Range menu choice is available when User Mode is set to Advanced (see Setup Menu T ab: User Mode ) and can only be accessed from the Sonar ,[...]

51 CHART SPEED Chart Speed determines the speed at which the sonar information moves across the display , and consequently the amount of detail shown. A faster speed shows more information in the Sonar Views and is pref erred by most anglers; however , the sonar information moves acr oss the display quickly . A slower speed keeps the information on[...]

NA VIGA TION X -PRESS™ MEN U (937c DF C ombo and 937c Combo models only) The Navigation X -Press™ Menu provides access to the set tings most frequently used. Press the MENU key once while in the Bird's Eye View , the Chart or the Char t/Sonar C ombo or Chart/Bird’ s Eye C ombo View to access the Navigation X -Press™ Menu. NOTE: Menu c [...]

53 SA VE CU RRENT TRACK Save Current T rac k allows you to save the current track being displayed. A fter the current trac k is saved, a new current track is started. T o Sa v e C urr en t T r ack: 1. Highlight Save Current T rack on the Navigation X -Press™ Menu. 2. Use the RIGHT 4-W A Y Cursor Contr ol key to initiate saving the curr ent track.[...]

CANCEL NA VIGA TION (Only when navigating) Cancel Navigation discards the current r oute and exits Navigation Mode. This menu choice will only appear when you are curren tly navigating a route. This will not delete a previously-saved route. T o C anc el Na vig a tion: 1. Highlight Cancel Navigation on the Navigation X -Press™ Menu. 2. Use the RIG[...]

55 SONAR MENU T AB Press the MENU key twice to access the Main Menu System and then press the RIGHT Cursor key t o select the Sonar tab. NOTE: Menu choices will vary depending on system set tings such as whether the unit is set for Advanced User mode or what transducer is currently selected. BEAM SELECT (937c DF C ombo and 931c DF models only) Beam[...]

FISH ID+™ Fish ID+™ uses advanced signal processing to interpret sonar returns , and will display a Fish Symbol when very selective requirements are met. When a fish is det ected, a fish icon and its depth are displayed above the return that has been classified as being a fish. Three dif ferent fish size icons represent the int ensity of the so[...]

57 REAL TIME SONAR (RTS®) WINDOW RTS® Window sets the RTS® Window t o either Wide or Narrow , or turns it off in the Sonar View . The RTS® Window always updates at the fastest rate possible and only displays returns that are within the transducer beam. (See Get ting Started - Using Y our 900 Series™: Real Time Sonar [RTS®] Window for mor e i[...]

50 KHZ SENSITIVITY (Advanced, 93 7c DF Combo and 931c DF models only) 5 0 kHz Sensitivity changes the sensitivity of the 50 kHz beam. Incr easing the 50 kHz Sensitivity will display additional weak returns and decreasing the 50 kHz Sensitivity will display fewer weak returns. The 50 kHz Sensitivity menu c hoice is only available when User Mode is s[...]

59 MAX DEPTH (Advanced) Max Depth adjusts the maximum depth of operation. The performance of your 900 Series™ can be tuned to the maximum depth you will be fishing in by set ting the Max Depth. When a maximum depth is set, your 900 Series™ will not at tempt to acquire sonar data below that depth, thus increasing overall performance. When Max De[...]

COL OR BAR Color Bar allows you to display or suppr ess the display of the color bar shown in the full screen Sonar View . T o c hang e the display of the C olor Bar: 1. Highlight C olor Bar on the Sonar Main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the display of the color bar . (O ff , On, Default = On) TEMPERA TU RE [...]

61 TRACKS Tr a c k s allows you to view the T racks submenu. T o view the T r ac k s Submenu: 1. Highlight T racks on the Navigation main menu. 2. Use the RIGHT 4-W A Y Cursor Contr ol keys to view the T rac ks submenu. The T r ac k s Submenu c on tains the following menu c hoices: Edit allows you to select a previously-saved track and edit its nam[...]

CHART ORIE NT A TION Chart Orientation allows you to select whether the views containing c harts should be drawn Nor th-Up or Course-Up. T o c hang e the Char t Orien ta tion set ting: 1. Highlight Chart Orientation on the Navigation main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Contr ol keys to c hange the Chart Orientation set ting. (Nor th-[...]

63 MAP DA TUM (Advanced) Map Datum allows you to change the map c oordinate system used by the 900 Series™ to match those of a paper map. T o c hang e the Map Da tum set ting: 1. Make sure you are in Adv anced User Mode, then highlight Map Datum on the Navigation main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Contr ol keys to c hange the Map [...]

CHART MENU T AB (With 937c DF C ombo and 937c Combo models only) Press the MENU key twice to access the Main Menu System and then press the RIGHT Cursor key t o select the Char t tab. NOTE: Menu c hoices will vary depending on system set tings such as whether the unit is set for Advanced User mode. NOTE: This menu tab only appears on 93 7c DF Combo[...]

65 LA T /LON GRID Lat/Lon Grid allows you to display or hide a grid showing latitude and longitude lines. T o c hang e the La t/L on Grid set ting: 1. Highlight Lat/Lon Grid on the Navigation main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Contr ol keys to c hange the Lat/Lon Grid set ting. (Hidden, Visible, Default = Hidden) SPOT SOUNDI NGS Spo[...]

SET MAP OFFSET (Advanced) Set Map Offset allows you to change the map of fset used by the 900 Series™. NOTE: The Map Offset will be applied to all maps and not just the map that requires the correction. The Map Offset should be cleared if a differen t map is to be used. T o c hang e the Map O f fset setting: 1. Activate the cursor and move it loc[...]

67 DEPTH ALARM Depth Alarm sounds when the depth becomes equal to or less than the menu set ting. T o c hang e the Depth Alarm set ting: 1. Highlight Depth Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Contr ol keys to c hange the Depth Alarm set ting. (OFF , 1 to 100 f eet, or 0.5 t o 30 meters [International models only] [...]

OFF COURSE ALARM (With 937c DF C ombo and 937c Combo models only) Off Course Alarm sounds when the boat has moved too far of f course based on the menu set ting when navigating. O ff Course Alarm allows you t o set how far the boat is allowed to move of f course before the Off C ourse Alarm will sound. T o c hang e the O f f Course Alarm set ting: [...]

69 ALARM TONE Alarm T one selects the pitch of the alarm sound. A brief tone will be produced as you adjust the Alarm T one so that you can select the tone that you can hear best. T o c hang e the Alarm T one set ting: 1. Highlight Alarm T one on the Alarms main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Contr ol keys to c hange the Alarm T one [...]

SETUP MEN U T AB From any view , press the MEN U key twice t o access the tabbed Main Menu System, then press the RIGHT cursor key until the Setup tab is selected. NOTE: Menu c hoices will vary depending on system set tings such as whether the unit is set for Advanced User mode and what accessories are at tached to the control head. UN ITS - DEPTH [...]

71 UN ITS - DIS T ANCE (With Speed input only) Units - Distance selects the units of measure for all distance-related readouts. T o c hang e the Units - Distance set ting: 1. Highlight Units - Distance on the Setup menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the Units - Distance set ting. (Domestic Models: Statute Miles, N[...]

TRIPLOG RESET (With Speed Input Only) T riplog Reset resets the T riplog to zero. The T riplog provides the following information: timer for elapsed time, distance traveled since last reset, and average speed. T o Reset T riplog: 1. Highlight Reset T riplog on the Setup menu. 2. Use the RIGHT 4-W A Y Cursor Contr ol key to initiate T riplog Reset. [...]

73 are not navigating, there are four fixed info bo xes that show Depth, Heading, Position (Lat/Lon) and Speed. When you are navigating in the Bird's Ey e View , there are two columns of four bo xes. The first column shows Depth, Time T o Go (TTG), Position (Lat/Lon), and Speed. The second c olumn shows Cross T rac k Error (XTE), Heading, Bear[...]

DEPTH OFFSET (Advanced) Depth Offset will adjust the digital depth readout to indicate depth fr om the waterline or boats keel. Ent er a positive ver tical measurement fr om the transducer to the waterline to read the depth fr om the waterline. Enter a negative vertical measurement from the transducer to k eel to read the depth from the k eel. This[...]

75 DA YLIGHT SA VING TIME (Advanced, with 93 7c DF Combo and 937c Combo models only) Daylight Saving Time adjusts the time display to acc ount for local Daylight Saving Time. Selecting On adds one hour to the time display adjusted for your local time zone. Selecting Off leaves the time display as adjusted for your local time zone. This menu choice [...]

NMEA OUTPUT (Advanced) NMEA Output turns the NMEA output on or off . This menu choice is available only when in Advanced User Mode (see Setup Menu T ab: User Mode. ) The f ollowing N ME A sen t enc es ar e output: DPT - Depth M TW - Wat er T emperature GLL - Lat/Lon Position GGA - GPS Fix Data RMC - Recommended Minimum Specific GNSS Data VT G - Cou[...]

77 VIEWS MEN U T AB From any view , press the MEN U key twice t o access the tabbed Main Menu System, then press the RIGHT 4- W A Y Cursor Contr ol key until the Views tab is selected. This menu tab allows you to set the available views t o either hidden or visible in the view rotation. The view will be removed from the view r otation if it is set [...]

TROUBLESHOOTING Before con tacting the Humminbird® Customer Resource Center , please read the following section. T aking the time to review these troubleshooting guidelines may allow you to solve a performance problem yourself , and theref ore avoid sending your unit back for r epair . 900 Series™ Doesn’t Power Up If your 900 Series™ doesn?[...]

79 DISPLA Y PROBLEMS There are several main conditions or sources of possible in terference that may cause problems with the quality of the information displayed on the con trol head. Look in the following table for some sympt oms of display problems and possible solutions: Problem Possible Cause The control head loses power at high speeds. When th[...]

FIN DING THE CAUSE OF NOISE Electrical noise usually affects the display with many black dots at high speeds , and high sensitivity readings. One or more of the f ollowing sources can cause noise or interference: Possible Source of Noise Isolation Other electronic devices The boat’ s engine Cavitation from the boat’ s propeller T urn of f any n[...]

81 1- YEAR LIMITED W ARRANTY W e warrant the original retail purchaser that products made by Humminbird® have been manufactured free from defects in materials and workmanship. This warran ty is effective for one year fr om the date of original retail purchase. Humminbird® pr oducts found to be def ective and covered by this warranty will be repla[...]

RETURN ING Y OUR UN IT FOR SERVICE Before sending your unit in for repair , please contact the factory , either by phone or by email, to obtain a Repair Authorization Number f or your unit. Please have your product model name and serial number available before calling the factory . If you contact the factory by e-mail, please include your product m[...]

83 SPECIFICA TIONS Depth Capability 9 3 7c DF C ombo/ 9 31c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 ft (780 m) 9 3 7c C ombo/ 9 31c . . . . . . . . . . . . . [...]

APPEN DIX A T ransducer Mounting T emplate, Single frequency: XHS-9-20-T Place on bottom of hull Align with transom. DO NOT LET DEADRISE INTERSECT THIS LINE PLACE EITHER CORNER ON DEADRISE ANGLE TO P Use 5/32" drill bi t Drill Drill PLACE EITHER CORNER ON DEADRISE ANGLE TOP Use 5/32" drill bi t Drill Drill Level 15", 380mm from prop([...]

85 APPEN DIX B T ransducer Mounting T emplate, Dual frequency: XHS-9-DB- 74-T 93x_Man_531370-1_A - vs4.qxd 2/18/2005 11:12 AM Page 90[...]

Contact Humminbird® Contact the Humminbird® Cust omer Resource Center in any of the following ways: By T elephone (Monday - Friday 8:00 a.m. to 4:30 p.m. C entral Standard Time): 1-800- 633- 1468 By e-mail (typically we respond to your e-mail within three business days ): custserv@johnsonoutdoors.com For direct shipping, our address is: Humminbir[...]