Lowrance electronic X-28 User Manual

X-28X-28X-28X-28X-28INSTALLATION AND OPERATIONINSTRUCTIONS

8This is the zoom size menu. Zoom size is thedistance between the upper limit and thelower limit. The upper limit shows at the topleft corner of the s

9press a menu key until the “MOVE ZOOM”menu appears as shown at right. This menulets you move the zoom window up or downin one foot increments by pres

10PWR/CLEAR key to clear the display. If you wait a few seconds, it willautomatically clear.GRAYLINE ®Grayline lets you distinguish between strong and

11The microcomputer is sophisticated, but it can be fooled. It can't distinguishbetween fish and other suspended objects such as turtles, submerg

12adjustable by pressing a menu key until thechart speed menu appears. Chart speed isset to maximum when the X-28 is first turnedon. To decrease it, p

13DigitalThis is the digital only screen. It shows thedigital depth display at the top of the screen invery large numbers. The shallow and deepalarm s

14sounds. At the same time the alarm sounds,a message box appears on the screen asshown at right.Press the up arrow key to silence the alarm.This will

15switch to metric, the up arrow to switch to feet. Displays show in feet whenthe unit is first turned on. The menu will clear automatically after a f

16SIMULATORThe X-28 has a simulator built into it that canshow a simulated bottom signal with fish. Allfeatures of the X-28 work normally when thesimu

17AAAAABOAT'S DIRECTION OF TRAVELBOAT'S DIRECTION OF TRAVELBOAT'S DIRECTION OF TRAVELBOAT'S DIRECTION OF TRAVELBOAT'S DIRECTI

TABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSINTRODUCTION ...

18fish will arch, but turn the sensitivity up in deeper water to see the arch.Because of water conditions, such as heavy surface clutter, ther-mocline

19SURFACE LAYERABSORBS HEATFROM THE SUNEPILIMNIONTHERMOCLINEMOST PRODUCTIVEZONE FOR FISHINGHYPOLIMNIONUnit won’t turn on:1. Check the power cable’s co

20Unit freezes, locks up, or operates erratically:1. Electrical noise from the boat’s motor, trolling motor, or an accessorymay be interfering with th

21rejection feature. This can cause the unit to eliminate weaker signals suchas fish or even structure from the display. Try using resistor spark plug

22unit’s power cable and transducer cable away from the wiring that iscausing the interference. VHF radio antenna cables radiate noise whentransmittin

23LOWRANCE ELECTRONICSFULL ONE-YEAR WARRANTY“We”, “our”, or “us” refers to LOWRANCE ELECTRONICS, INC., the manufacturer of thisproduct. “You” or “your

24NOTE!Lowrance will pay UPS surface shipping charges both to and from thefactory for this unit in the event it needs repair. Your unit is insured aga

25This UPS shipping offer is good only in the continental United States (excludes Alaska and Hawaii).KEEP THIS LABEL!YOU WILL NEED IT IF YOU EVER NEED

Notes

26How to Obtain Service(Canadian Customers Only)We back your investment in quality products with quick, expert service and genuineLowrance replacement

1INTRODUCTIONThank you for purchasing a Lowrance sonar. Your X-28 is a high qualitysonar designed for both professional and novice fishermen. These un

LITHO IN U.S.A. 988-0105-64How to Obtain ServiceWe back your investment in quality products with quick, expert service andgenuine Lowrance® replacemen

2INSTALLATION - BracketYou can install the X-28 on the top of a dash or from an overhead with thesupplied bracket. It can also be installed in the das

3POWER CONNECTIONSThe X-28 works from a 12 volt DC system only. For the best results, runthe power cable directly to the boat’s battery. Keep the powe

4KEYBOARD BASICSThe unit sounds a tone when youpress any key. This tells you theunit has accepted a command.PWR/CLEARUse this key to turn the unit on

5NOTE: Turning the X-28 off erases all user settings and it returns to thesystem defaults. For example, if you turn the lights on, then turn the unit

6RANGEYou can’t adjust the range when the X-28 is inthe automatic mode. It is adjustable when theunit is in the manual mode, however. To doso, first p

721 FOOT UPPER LIMITseconds and the menu will scroll off the screen’s left side. Pressing thePWR/CLEAR key also clears it.To change the lower limit, a