Summary of the content on the page No. 8
The transmitter emits an electrical impulse, which the transducer con- verts into a sound wave and sends into the water. (The sound frequency can't be heard by humans or fish.) The sound wave strikes an object (fish, structure, bottom) and bounces back to the transducer, which converts the sound back into an electrical signal. The receiver amplifies this return signal, or echo, and sends it to the display, where an image of the object appears on the scrolling sonar chart. The sonar's microproces
Summary of the content on the page No. 9
For example, instructions for turning on the Fish ID feature would look like this: 1. From the Sonar Page, press MENU|↓ to SONAR FEATURES|ENT. 2. Press → to FISH SYMBOLS|ENT|EXIT|EXIT. Translated into complete English, step 1 above would mean: "Start on the Sonar Page. Press the Menu key then repeatedly press (or press and hold) the down arrow key to scroll down the menu and select (highlight) the Sonar Features menu command. Then press the Enter key." Step 2 would mean: "Press the right arrow
Summary of the content on the page No. 10
Notes 6
Summary of the content on the page No. 11
Section 2: Installation & Accessories Preparations You can install the sonar system in some other order if you prefer, but we recommend this installation sequence: Caution: You should read over this entire installation section before drill- ing any holes in your vessel! 1. Determine the approximate location for the sonar unit, so you can plan how and where to route the cables for the transducer and power. This will help you make sure you have enough cable length for the de- sired configuration.
Summary of the content on the page No. 12
NOTE: The following installation types also call for these recommended tools and required supplies that you must provide (supplies listed here are not included): Single-frequency transom installations Tools include: two adjustable wrenches, drill, #29 (0.136") drill bit, flat- head screwdriver. Supplies: high quality, marine grade above- or below- waterline sealant/adhesive compound. Dual-frequency transom installations Tools: two adjustable wrenches, drill, #20 (0.161") drill bit, flat-head scr
Summary of the content on the page No. 13
boat hulls have a flat keel pad that offers a good mounting surface. On vee hulls, try to place the transducer where the deadrise is 10° or less. Deadrise less than 10° Strakes Pad Left, vee pad hull; right, vee hull. A pod style transducer is shown here, but the principle is the same for Skimmers inside a hull. 4. If the transducer is mounted on the transom, make sure it doesn't interfere with the trailer or hauling of the boat. Also, don't mount it closer than approximately one foot from t
Summary of the content on the page No. 1
Pub. 988-0156-061
www.lowrance.com
X102C & X107CDF
Fish-finding & Depth Sounding Sonars
Operation Instructions
Summary of the content on the page No. 14
Transom Transducer centerline Hull bottom Align transducer centerline with hull bottom. However, there are times when you may need to adjust the transducer slightly higher or lower. (The slots in the mounting brackets allow you to loosen the screws and slide the transducer up or down.) If you fre- quently lose bottom signal lock while running at high speed, the trans- ducer may be coming out of the water as you cross waves or wakes. Move the transducer a little lower to help prevent this. If you
Summary of the content on the page No. 15
on your sonar display. (This is not an issue for flasher-style sonars.) Lack of angle adjustment can be particularly troublesome on hulls that sit with the bow high when at rest or at slow trolling speeds. Third, a transducer CAN NOT shoot through wood and metal hulls. Those hulls require either a transom mount or a thru-hull installation. Fourth, if your Skimmer transducer has a built in temp sensor, it will only show the temperature of the bilge, not the water surface temp. Follow the testing
Summary of the content on the page No. 16
Place the ratchets into the bracket with the letter "A" aligned with the alignment mark molded into the bracket. Place the ratchets onto the transducer with the letter "A" aligned with the 12 o'clock position on the transducer stem. These positions set the transducer's coarse angle adjustment for a 14° transom. Most outboard and stern-drive tran- soms have a 14° angle. Alignment letters Alignment positions Transducer Transducer bracket Insert and align ratchets. Transducer Transducer bracket Rat
Summary of the content on the page No. 17
If the transducer's face isn't parallel with the ground, remove the transducer and ratchets from the bracket. Place the ratchets into the holes in the bracket with the letter "B" aligned with the dot stamped in the bracket. Reassemble the transducer and bracket and place them against the transom. Again, check to see if you can move the transducer so it's parallel with the ground. If you can, then go to step 3A. If it doesn't, repeat step 2A, but use a different alignment letter until you can pla
Summary of the content on the page No. 18
Lock washer Bolt Nut Flat washer Flat washer Assemble transducer and bracket. 3. Assembling the transducer. A. One-piece bracket: Once you determine the correct position for the ratchets, assemble the transducer as shown in the following fig- ure. Don't tighten the lock nut at this time. Metal washer Nut Rubber washers Metal washer Bolt Assemble transducer and bracket. B. Two-piece bracket: Once you determine the correct position for the ratchets, assemble the transducer as shown in the figure i
Summary of the content on the page No. 19
Transom Transom Position transducer mount on transom and mark mounting holes. Side view shown, left, and seen from above at right. 5. Attaching transducer to transom. A. One-piece bracket: Remove the transducer from the bracket and re-assemble it with the cable passing through the bracket over the bolt as shown in the following figures. For single-frequency Skimmer, route cable over bolt and through bracket. Side view shown, left, and seen from above at right. Both bracket types: Attac
Summary of the content on the page No. 20
Bottom of hull Flat-bottom hull Deep-"vee" hull Align transducer centerline with hull bottom and attach transducer to transom. Rear view of dual-frequency Skimmer shown. 6. Route the transducer cable through or over the transom to the sonar unit. Make sure to leave some slack in the cable at the transducer. If possible, route the transducer cable away from other wiring on the boat. Electrical noise from the engine's wiring, bilge pumps, VHF radio wires and cables, and aerators can be picked u
Summary of the content on the page No. 2
Copyright © 2004 Lowrance Electronics, Inc. All rights reserved. ® Lowrance is a registered trademark of Lowrance Electronics, Inc. No part of this manual may be copied, reproduced, republished, transmitted or distributed for any purpose, without prior written consent of Lowrance. Any unauthorized commercial distribution of this manual is strictly prohibited. Lowrance Electronics may find it necessary to change or end our policies, regulations, and special offers at any time. We reserve the rig
Summary of the content on the page No. 3
Table of Contents Section 1: Read Me First!......................................................... 1 Capabilities and Specifications: X102C and X107CDF............... 2 How Sonar Works ......................................................................... 3 How to use this manual: typographical conventions .................. 4 Section 2: Installation & Accessories.................................... 7 Preparations..............................................................................
Summary of the content on the page No. 4
Depth Range - Upper and Lower Limits ................................... 53 FasTrack .................................................................................. 54 Fish I.D. (Fish Symbols & Depths)......................................... 55 FishTrack ................................................................................. 56 Frequency (Change Transducer Frequency) (X107CDF only).. 57 HyperScroll .............................................................................. 5
Summary of the content on the page No. 5
Section 1: Read Me First! How this manual can get you out on the water, fast! Welcome to the exciting world of digital sonar! We know you're anxious to begin finding fish, but we have a favor to ask. Before you grab your unit and begin installing it, please give us a moment or two to explain how our manual can help you get the best performance from your com- pact, wide-screen, fish finder. First, we want to thank you for buying a Lowrance sonar. Whether you're a first time user or a professional
Summary of the content on the page No. 6
If you're having difficulty with your sonar, you can find an answer to the most common problems in Section 5, Sonar Troubleshooting. Finally, in Section 6, we offer Supplemental Material, including a list of warranty and customer service information. Now, if you're into the fine details, glance over the next segment on specifications to see just how much sonar power your unit contains. It's important to us (and our power users), but, if you don't care how many watts of power the unit has, skip a
Summary of the content on the page No. 7
4,000 watts peak-to-peak/500 watts RMS. X102C: 2,400 watts peak-to-peak/300 watts RMS. Sonar sounding depth capability: ........... X107CDF: 2,500 feet (762 meters). X102C: 800 feet (244 meters). Actual capability depends on transducer con- figuration and installation, bottom composi- tion and water conditions. All sonar units typically read deeper in fresh water than in salt water. Depth display:................ Continuous display . Audible alarms: ............. Deep/shallow/fish/zone. Automati
