Instruction/ maintenance manual of the product 320 Eagle Electronics
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Pub. 988-0143-661 www.eaglesonar.com FishMark 320 and SeaFinder 320DF Fish-finding & Depth Sounding Sonars Installation and Operation Instructions .
Copyright © 2002 Eagle Electronics All rights reserved. Eagle ® is a registered trademark of Eagle Electronics Marine-Tex is a trademark of Illinois Tool Works Inc. Eagle Electronics may find it necessary to change or end our policies, regulations, and special offers at an y time.
i Table of Contents Section 1: Read Me First! ......................................................... 1 Capabilities and Sp ecifications: ..................................................... 2 How To Use This Manual: Ty pographical Co nventions....
ii Depth Range - Automati c ........................................................... 51 Depth Range - Manual................................................................ 51 FasTrack ...........................................................
1 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.
2 After you've gained some experience with your sonar, you'll want to check out Section 4, which discusses more advanced Sonar Options and Other Features .
3 Languages: ...................... 10; menu languages selectable by user. Sonar Frequency: ...................... 50/200 kHz for SeaFinder 320DF; 200 kHz for FishMark 320. Transducers: .................. A dual-fr equency Skimmer transducer with built-in temperature sensor is packed with the SeaFinder 320DF.
4 NOTICE! The storage temperature range for your unit is from -4 degrees to +167 degrees Fahrenheit (-20 degrees to +75 degrees Celsius). Extended stor- age in temperatures higher or lower than specified will damage the liq- uid crystal display in your unit.
5 lowing paragraphs explain how to interpret the text formatting for those commands and other instructions: Arrow Keys The arrow keys control a horizontal line depth cursor on the sonar screen. The arrow keys also help you move around the menus so you can execute different commands.
6 the Sonar Features menu command. Then press the Enter key." Step 2 would mean: "Press the right arrow key (for dual-frequency units) or press the right arrow key followed by the down arrow key (for single-frequency units) to select (highlight) the Fish ID symbols com- mand.
7 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.
8 These are all "kick-up" mounting brac kets. They help prevent damage if the transducer strikes an object while the boat is moving. If the trans- ducer does "kick-up," the bracket ca n easily be pushed back into place without tools.
9 then the chosen location must be in the water at all times. If the transducer is not placed in a smooth flow of water, interference caused by bubbles and turbulence will show on the sonar's display in the form of random lines or dots whenever the boat is moving.
10 How low should you go? For most situations, you should in stall your Skimmer transducer so that its centerline is level with th e bottom of the boat hull. This will usually give you the best combinat ion of smooth water flow and protec- tion from bangs and bumps.
11 However, the shoot-thru-hull installation does have its drawbacks. First, some loss of sensitivity does occur, even on the best hulls. This varies from hull to hull, even from different installations on the same hull. This is caused by differenc es in hull lay-up and construction.
12 B. Two-piece bracket: Locate the four plastic ratchets in the trans- ducer's hardware package. Press two ra tchets into the sides of the plas- tic bracket and two on either side of the transducer as shown in the f o l- lowing illustrations. Notice there ar e letters molded into each ratchet.
13 2. Aligning the transducer on the transom. A. One-piece bracket: Slide the transducer between the two ratch- ets. Temporarily slide the bolt though the transducer assembly and hold it against the transom. Lookin g at the transducer from the side, check to see if it will adjust so that its face is parallel to the ground.
14 bracket holes with the letter "B" aligned with the bracket alignment mark. Place them on the transducer aligned with the 12 o'clock posi- tion on the transducer stem. Reassemble the transducer and bracket and place them against the transom.
15 B. Two-piece bracket: Once you determine the correct position for the ratchets, assemble the transducer as shown in the figure in step 2B. Don't tighten the lock nut at this time. 4. Drilling mounting holes. Hold the transducer and bracket assembly against the transom.
16 Both bracket types: Attach the transducer to the transom. Slide the transducer up or down until it's aligned properly with the bottom of the hull as shown in the preceding and following figures. Tighten the bracket's mounting screws, sealing them with the caulking compound.
17 Caution: If you drill a hole in the transom fo r the cable, make sure it is lo- cated above the waterline. After installation, be sure to seal the hole with the same marine grade above- or below-waterline seal- ant used for the mounting screws. 7. Make a test run to determine the results.
18 Transducer mounted on trolling motor, side view. 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 th e ground when the boat is at rest in the water or at slow trolling speeds.
19 If the arch slopes up – but not back down – then the front of the trans- ducer is too high and needs to be lo wered. If only the back half of the arch is printed, then the nose of the transducer is angled too far down and needs to be raised. NOTE: Periodically wash the transducer's face with soap and water to re- move any oil film.
20 WARNING: Do not remove any material from your inner hull unless you know the hull's composition. Careless grinding or cutting on your hull can result in damage that could sink your boat. Contact your boat dealer or manufacturer to confirm your hull specifications.
21 100 grit sandpaper. The surface of the hull must be flat so the entire transducer face is in contact with the hull prior to bonding. Epoxy transducer to hull. 2. Follow the instructions on th e epoxy package and mix it thoroughly. Do not mix it too fast, because it will cause bubbles to form in the ep- oxy.
22 If a second temp sensor is used, it must be the model TS-2U. This model has a fixed electronic "address" which designates it as the second of two temp sensors. Dual temperatures are only displayed on the Full Chart page. The Large Digital page will only display the primary tem- perature sensor.
23 Optional Speed Sensor Installation All the units in this series can disp lay speed and distance traveled, but only the SeaFinder 320DF comes pack ed with a speed sensor. If you wish to purchase an optional additi onal sensor for your unit, refer to the accessory ordering information in side the back cover of this man- ual.
24 If the base of the transom has a ra dius, fill the gap between the tran- som and the sensor with the caulki ng compound. This will help ensure a smooth water flow. Speed sensor mounting configuration: side view (left) and rear view (right.) Route the sensor's cable through or over the transom to the sonar unit.
25 the unit is not in use. When the unit is turned off but still connected to a power supply, electrolysis can occur in the power cable plug. This may result in corrosion of the plug body along with the electri- cal contacts in the cable and the unit's power socket.
26 CAUTION: Do not use this product without a 3-amp fuse wired into the power cable! Failure to use a 3-amp fuse will void your warranty. This unit has reverse polarity protection. No damage will occur if the power wires are reversed. However, the unit will not work until the wires are attached correctly.
27 also make sure there is enough r oom behind the unit to attach the power and transducer cables. (A dr awing on the next page shows the dimensions of a gimbal-mounted sonar unit.) Holes in the bracket's base allow w ood screw or through-bolt mounting.
28 the unit. If you choose to fill in the ho le, be sure to position the cables against the rear edge of the hole as you apply the fill material. Front view (left) and side view (right) showing dimensions of the sonar unit when mounted on gimbal bracket.
29 In-dash mounting template for the sonar unit, showing dimensions. NOTE: The figure above is not printed to scale. A scaled template (FM-5 In-Dash Adapter Kit instructions) is available for free download from our web site, www.
30 Install batteries in power pack battery adapter. Face Cover Your unit comes with a white protecti ve cover that snaps on and off the front of the unit.
31 Section 3: Basic Sonar Operation This section addresses the unit's most basic sonar operations. The in- structions presented here in Sec. 3 follow a chronological order. Sec. 4, Sonar Options & Other Features , will discuss options and other more advanced functions and utilities.
32 1. PWR/LIGHT (Power & Light) – The PWR key turns the unit on and off and activates the backlight. 2. PAGES – Pressing this and the ↑ ↓ arrow keys switches the unit between the four different page opti ons. (Full Sonar Chart, Split Zoom Sonar Chart, Split Frequency Sonar Chart and Digital Data.
33 Menus Your sonar unit will work fine right ou t of the box with the factory de- fault settings. You only need to learn a few basic functions to enhance your viewing. We'll discuss them brie fly here, then talk about them and all the other commands in more detail in the next section, which begins on page 45.
34 Main Menu Commands There are four "basic" Main Menu commands that you'll really want to read more about. They are: • Screen command: changes the contrast or brightness of the display screen. Use this command to adjust how the screen looks under various lighting conditions.
35 • Reset Options command: returns all options and auto functions to their original factory settings. It's a great safety net while you're learning and experimenting with various settings. • Set Language command: your unit has menus in 10 different lan- guages.
36 ity and Auto Sensitivity are importan t basic functions that are discussed both here and in Sec. 4. The other Sonar Menu commands include: • Grayline command: separates fish and structure near the bottom from the actual bottom, and defines bottom composition/hardness.
37 Pages Menu showing some Sonar display options (at lef t, dual-frequency menu; at right, single-frequency menu). The Full Sonar Chart is the main display option.
38 Sonar chart display options (from left) split zoom (all models) and split frequency (SeaFinder 320DF only). Digital data sonar chart display option.
39 Basic Sonar Quick Reference 1. Mount the transducer and unit. Connect the unit to electric power and the transducer. 2. Launch your boat. 3. To turn on the unit, press and release PWR key. 4. Head for your fishing grounds. Yo ur unit automatically displays digi- tal depth and surface water temperat ure in the corner of the screen.
40 9. If you are drifting at a very lo w speed or anchored, you are not mov- ing fast enough for a fish to return the tell-tale fish arch signal. As you drift over a fish, or as a fish sw ims through the transducer's signal cone, the fish echo will appear as a straight line suspended between the surface and the bottom.
41 Adjusting sensitivity in Manual Sensit ivity Mode is similar to driving a car without cruise control — you have complete manual control of the car's speed. In the sonar unit, manual mode allows you to set sensitiv- ity at 100 percent (maximum) or ze ro percent (minimum.
42 To adjust sensitivity: 1. Press MENU | ENT . 2. The Sensitivity Control Bar appears. Press ↓ to decrease sensitivity; press ↑ to increase sensitivity. When it's set at the desired level, press EXIT . (When you reach the maximum or minimum limit, a tone sounds.
43 Fish Symbols vs. Full Sonar Chart You may have noticed in the quick re ference that we used fish arches in full sonar chart mode for our example, and not the popular Fish I.D. fish symbol feature. Here's why. Fish I.D. is an easier way for a sonar novice to recognize a fishy signal return when he sees it.
44 For the ultimate training aid, be sure to download the free emulator software for your unit. Aside from being just plain fun, this program can help you learn both basic and advanced operations without burning boat fuel! Eagle is one of the first sonar manufacturers to provide this type of training tool for customers.
45 Section 4: Sonar Options & Other Features Material in this section is a rranged in alphabetical order. ASP (Advanced Signal Processing) The ASP feature is a noise rejection sy stem built into the sonar unit that constantly evaluates the effects of boat speed, water conditions and interference.
46 To change the ASP level: 1. From the Sonar Page, press MENU | ↓ to S ONAR F EATURES | ENT . 2. Press → ↓ or ↓ to N OISE R EJECTION | ENT . 3. Press ↓ or ↑ to select a setting, then press ENT . 4. To return to the previous page, press EXIT | EXIT .
47 To adjust and turn on the shallow alarm: 1. Press A LARM . 2. Press → to S HALLOW A LARM D EPTH | ENT . 3. Press ↑ or ↓ to change the first number, then press → to move the cursor to the next number and repe at until the depth is correct, then press ENT .
48 Adjust Zone Alarm selection box, with Upper selected. 3. To set the upper boundary for the Zone Alarm, use ← or → to select U PPER , then press ↑ or ↓ to move the top of the bar to the desired depth.
49 Calibrate Speed The speed sensor can be calibrated to compensate for inaccuracies. Be- fore you change the setting, first calculate the percentage that the speed is off.
50 If you do experiment with chart sp eed, remember to reset it to maxi- mum when you resume trolling or mo ving across the water at higher speed. To change chart speed: 1. From the Sonar Page, press MENU | ↓ to C HART S PEED | ENT . 2. The Chart Speed Control Bar appears.
51 1. From the Sonar Page, press MENU | ↓ to D EPTH C URSOR | ENT . 2. The depth cursor appears. Press ↓ to lower the cursor line; press ↑ to raise the cursor line. 3. To clear the depth cursor, press EXIT . Depth Range - Automatic When turned on for the first time , the bottom signal is automatically placed in the lower half of the scr een.
52 To turn Auto Depth Range on again: 1. From the Sonar Page, press MENU | ↓ to A UTO D EPTH R ANGE | ENT | EXIT . NOTE: The sonar's depth capability depend s on the transducer installa- tion, water and bottom conditions, and other factors.
53 instances, remaining targets are fis h. The Fish I.D. feature displays fish symbols on the screen in pl ace of the actual fish echoes. There are several fish symbol sizes. These are used to designate the relative size between targets. In othe r words, Fish I.
54 At left, figures 1A and 2A show Sonar Page in normal chart mode. At right, figures 1B and 2B show the same underwater scene with Fish I.D. turned on. Note how arches are replaced with symbols. To turn the Fish I.D. feature on: 1. From the Sonar Page, press MENU | ↓ to S ONAR F EATURES | ENT .
55 FishTrack The FishTrack feature shows the dept h of a fish symbol when it ap- pears on the display. This lets yo u accurately gauge the depth of tar- gets. This feature is available only wh en the Fish I.D. feature is on. The default setting for FishTrack is off.
56 The normal mode of operation (wit h FishReveal turned off) shows the weakest echoes as black and the stro ngest echoes in light gray. Since all weak echoes are black, fish arch es show boldly against the white background. The drawback is that all weak echoes – such as thermo- clines – are also emphasized.
57 Sonar chart in regular grayscale mode, left, and in FishReveal mode, right. Notice how shallow fish formerly hidden in the surface clutter become visible in FishReveal mode.
58 There is a common exception to th ese rules of thumb. Some fishermen on freshwater lakes (or the ocean) using downriggers like to see them on the sonar. In many of those cases, you'll see a 50 kHz transducer frequency in use because the wider cone angle lets them watch the bait.
59 Grayline is adjustable. Experiment with your unit to find the Grayline setting that's best for you. To adjust the Grayline level: 1. From the Sonar Page, press MENU | ↓ to G RAYLINE | ENT . 2. The Grayline Control Bar appears. Press ↓ to decrease Grayline; press ↑ to increase Grayline.
60 This series of figures shows how different Grayline settings can reveal more information. The "A" figures to the left show locations with Gray- line set at the factory level of 64 percent. At right, the "B" figures show the same locations with Grayline incr eased to 84 percent.
61 At left, we scrolled down the data list to highlight "Water Speed." At right, data list showing "Water Speed" selected to display on Sonar Page. 3. To return to the previous page, press EXIT | EXIT . To turn off displayed data: 1.
62 1. Press MENU | ↓ to O VERLAY D ATA | ENT . 2. Press ↓ or ↑ to select Data Type |press → or ← to select Data Size | ENT . The data will be shown in the new fo nt size. To return to the previ- ous page, press EXIT | EXIT . NOTE: Some data types can be displayed in only one font size.
63 These faster ping rates allow you to maintain a high-detail picture on the screen, and the screen refresh rate and chart scroll speed can keep pace with the boat as it moves quickly over the bottom terrain. When using HyperScroll, you may also need to manually decrease the sensitivity for optimum performance.
64 Pop-up Help Help is available for virtually all of the menu labels on this unit. By highlighting a menu item and leaving it highlighted for a few seconds, a "pop-up" message appears that descri bes the function of the menu item. This feature is on by default.
65 Reset Water Distance The sonar chart's Digital Data display option includes a window that shows distance traveled, called Wa ter Distance ("W Distance"). This information is calculated from an optional water speed sensor. The Wa- ter Distance window can be reset to zero using the Reset Water Dis- tance command.
66 best sensitivity level shows a good solid bottom signal with Grayline and some surface clutter. Automatic Sensitivity The default sensitivity mode is auto matic.
67 To adjust sensitivity in manual mode: 1. First, turn off Auto Sensitiv ity: from the Sonar Page, press MENU | ↓ to A UTO S ENSITIVITY | ENT . 2. Press ↑ to S ENSITIVITY | ENT and the Sensitivity Control Bar appears. Press ↓ or ↑ to pick a different sensitivity setting.
68 eliminates the need for the naviga tor to mentally calculate how much water is under his keel. Keel Offset lets you calibrate the di gital depth: chart depth scale, chart cursor depth and fish symbol depth di splayed on the screen.
69 4. Press → to the second number, them press ↑ to change the num- ber to 5, then press EXIT . The depth indicators now accurately show the water depth from surface to bottom. Set Language This unit's menus are available in 10 languages: English, French, Ger- man, Spanish, Italian, Danish, Sw edish, Russian, Dutch and Finnish.
70 Sonar Color Mode The default color scheme for the sonar chart is grayscale, but we offer other variations to suit your view ing preferences. You can select the chart to be displayed in reverse grayscale, bottom black or FishReveal mode. (For more information on Fish Reveal, see the entry on that topic elsewhere in this section.
71 targets. The line at the top of the screen represents the surface. The bottom depth and surface temperature (if equipped with a temperature sensor or a transducer with a temp sensor built in) show at the top left corner of the screen. The FasTrack™ display shows just to the right of the scale.
72 Split Frequency Sonar Chart (SeaFinder 320DF only) This page shows sonar data from th e 50 kHz transducer element on the left side of the screen and data from the 200 kHz transducer on the right side. All other functions and features are the same as the Full Chart page.
73 Digital Data/Chart This mode shows the chart on the right side of the screen. The left side has six large digital boxes or windows containing: Water Depth; Water Speed (from an optional speed sensor); Water Distance (distance traveled or log, it also requires a speed sensor); Surf ace Water Temperature; Temperature #2 and Voltage used.
74 Tip: You can customize other digital da ta windows before returning to the Sonar Page. After changing th e first window by selecting the Data Type and pressing Enter, use the ↓ key to select another win- dow to change. When the selected window title bar flashes, press ENT | ↑ or ↓ to select data type | ENT .
75 Surface Clarity The markings extending downward fr om the zero line on the chart are called "surface clutter." These mark ings are caused by wave action, boat wakes, temperature inversion and more. The surface clarity control reduces or eliminates surface clutter signals from the display.
76 In the illustration at left, Surface Clarity is turned off. The right view shows Surface Clarity set at High. Units of Measure This menu sets the speed and distance (statute or nautical miles, me- ters), depth (feet, fathoms, or meters) and temperature (degrees Fahrenheit or Celsius).
77 on the far right side of the screen shows which echoes will be displayed on the screen when the ZIN key is pressed. For example, pressing the ZIN key once will enable a 2X zoom which will show all echoes that are be tween the top and bottom of the 2X zoom bar.
78 Notes.
79 Section 5: Troubleshooting If your unit is not working, or if yo u need technical help, please use the following troubleshooting section befo re contacting the factory customer service department. It may save you the trouble of returning your unit for repair.
80 Weak bottom echo, digital readings erratic, or no fish signals: 1. Make certain the transducer is pointing straight down. Clean the face of the transducer.
81 spark plugs or routing the sonar unit's power and transducer cables away from other electrical wiring on the boat. No fish arches when the Fish I.D. feature is off: 1. Make certain the transducer is pointing straight down. This is the most common problem if a partial arch is displayed.
82 present, turn the pump off, then turn on the VHF radio and transmit. Keep doing this until all electrical equipment has been turned on, their effect on the sonar displa y noted, then turned off. If you find noise interference from an electrical instrument, trolling mo- tor, pump, or radio, try to isolate th e problem.
83 Notes.
84 Notes.
85 Section 6: Supplemental Material EAGLE ELECTRONICS FULL ONE-YEAR WARRANTY "We," "our," or "us" refers to EAGLE ELECTRONI CS, a division of LEI, the manufacturer of this product.
86 How to Obtain Service… …in the USA: We back your investment in quality pr oducts with quick, expert service and genuine Eagle replacement parts. If you're in the United States and you have technical, return or repair questions, please contact the Factory Customer Service Department.
Accessory Ordering Information for all countries To order Eagle accessories such as power cables or transducers, please contact: 1) Your local marine dealer or consumer electronics store. Most quality dealers that handle marine electr onic equipment or other consumer electronics should be able to assist you with these items.
Visit our web site: www.eaglesonar.com Eagle Pub. 988-0143-661 © Copyright 2002 All Rights Reserved Printed in USA 101702 Eagle Electronics .
An important point after buying a device Eagle Electronics 320 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Eagle Electronics 320 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Eagle Electronics 320 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Eagle Electronics 320 you will learn all the available features of the product, as well as information on its operation. The information that you get Eagle Electronics 320 will certainly help you make a decision on the purchase.
If you already are a holder of Eagle Electronics 320, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Eagle Electronics 320.
However, one of the most important roles played by the user manual is to help in solving problems with Eagle Electronics 320. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Eagle Electronics 320 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
