Lowrance electronic PRO X51 User Manual

Pub. 988-0151-59A X51 Pro Fish-finding & Depth Sounding Sonar Installation and Operation Instructions

8 If the transducer's face isn't parallel with the ground, remove the transducer and ratchets from the bracket. Place the ratchets into the

9 Mark the center of each slot for the mounting screw pilot holes. You will drill one hole in the center of each slot. Drill the holes using the #29 b

10 Align transducer centerline with hull bottom and attach to transom. 6. Route the transducer cable through or over the transom to the sonar u

11 Attach motor mounting bracket to transducer. 2. Slide the adjustable strap supplied with the TMB-S through the slot in the transducer bracket and

12 Transducer Orientation and Fish Arches If you do not get good fish arches on your display, it could be because the transducer is not parallel with

13 hours, fill the remaining space with polyester resin. When the job is finished, the hull is watertight and structurally sound. Remember, the sonar

14 If you can't get an acceptable bottom signal, try turning up the sensitivity by three or five keystrokes and then move the transducer around o

15 100 grit sandpaper. The sanded hull area should be about 1-1/2 times the diameter of the transducer. The surface of the hull must be flat so the en

16 the transducer should be parallel with the hull, with a minimum amount of epoxy between the hull and transducer. 4. Apply a weight, such as a brick

17 Power and transducer connections for the X51 Pro sonar unit (direct battery connection shown). CAUTION: Do not use this product without a 3-amp f

Copyright © 2008 Navico, Inc. All rights reserved. Lowrance® is a registered trademark of Navico, Inc. Marine-Tex™ is a trademark of Illinois Tool

18 Bracket Installation Mount the unit in any convenient location, provided there is clearance when it’s tilted for the best viewing angle. You should

19 slack for tilting and turning the unit and attaching the connector. (The snug fit of the push-on waterproof connector requires some force to attach

20 Installing the Batteries Release the latch on the front of the case. Open the case and install eight AA batteries in the battery compartment. After

21 Section 2: Operation Keyboard Numbers in the following photo correspond to the following key explanations: X51 Pro 1. PWR/CLEAR This key appears

22 Menus The menu keys access these features, allowing you to customize the unit to your particular needs and water conditions. All you have to do to

23 Chart Scroll In normal operation, the sonar chart will scroll from right to left across the screen. You can stop the chart from scrolling across t

24 Depth Range Zoom When turned on, the unit automatically adjusts the depth range according to water conditions. When in auto range mode, it always k

25 When you Zoom while the unit is in manual depth Range Zoom mode, you can select one of 13 pre-set Zoom Sizes. This lets you enlarge some other part

26 To adjust Sensitivity, press MENU until the SENSITIVITY ADJUSTMENT menu appears. Press UP ARROW to increase the sensitivity, DOWN ARROW to decreas

27 Fish I.D.™ The Fish I.D. feature displays fish symbols in place of the actual fish echoes. There are three symbol sizes: small, medium and large.

1 Table of Contents Capabilities and Specifications: X51 Pro ... 2 Section1: Installation...

28 To turn it on, press MENU until the FISH ID menu appears. Press UP ARROW to select TRACK ON, then press PWR. To turn it off, repeat the above ste

29 To turn off the fish alarm without turning off fish symbols, press MENU DOWN until FISH ALARM appears. Press DOWN ARROW to select OFF, then press P

30 Backlight The display is backlit for night use. To turn the backlight on or off, press MENU repeatedly until the BACK LIGHT menu appears. Press UP

31 Simulator This unit has a built-in simulator that shows a simulated bottom signal with fish signals. This lets you practice with the unit as if you

32 Index A Accessories, 18 Alarms, 28 Fish Alarm, 28, 29 Antenna, 35 ASP (Advanced Signal Processing), 13, 28 B Backlights / Lighting, 2, 30 Batteries

33 Troubleshooting Unit won't turn on: 1. Check the power cable's connection at the unit. Also check the wiring. 2. Make certain the power c

34 Bottom echo disappears at high speeds or erratic digital reading or weak bottom echo while boat is moving 1. The transducer may be in turbulent wat

35NAVICO FULL ONE-YEAR WARRANTY "We," "our," or "us" re

36How to Obtain Service… …in the USA: We back your investment in quality products with

Accessory Ordering Information for all countries To order Lowrance accessories such as power cables or transducers, please contact: 1) Your local mari

2 Capabilities and Specifications: X51 Pro General Case size:... 5.8" H x 4.3" W x 2.5" D (14.7 cm H x 10.8 cm

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3 Section 1: Installation Thank you for buying a Lowrance® sonar! Your unit is a high quality sonar designed for both professional and novice fisherm

4 installation methods is right for your boat. Use extreme care if mounting the transducer inside the hull, because once it is epoxied into position,

5 NOTE: Some aluminum boats with strakes or ribs on the outside of the hull create large amounts of turbulence at high speed. These boats typically h

6 How low should you go? For most situations, you should install your Skimmer transducer so that its centerline is level with the bottom of the boat h

7 However, the shoot-thru-hull installation does have its drawbacks. First, some loss of sensitivity does occur, even on the best hulls. This varies f