Lowrance electronic X-55A manuel d'utilisation

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TABLE OF CONTENTS INTRODUCTION 1 INSTALLATION MOUNTING .2 POWER CONNECTIONS .2 TRANSDUCER 4 KEYBOARD BASICS 11 DISPLAY 12 MENUS HELP 13 OPERATION 13 AUTOMATIC 13 SENSITIVITY 14 RANGE 15 Upper and Lower Limits 15 ZOOM 16 Automatic Operation 16 Manual Operation 17 ALARMS FISH ALARM ZONE ALARM 18 DEPTHALARMS ALARM MUTE 20 MENU - PAGE I 21 CHARTSPEED 2[...]

NOTES: INTRODUCTION The X-55A is a high quality, wide screen sonar with performance that is second to none in its class. Using menu features and "soft-key" operation, the X-55A is also one of the easiest-to-use sonars that Lowrance has ever built. Thewide screen showsthe undetwaterworld with high resolution and detail. The display and key[...]

MOUNTING Install the X-55A in any convenient location, provided there is clearance behind the unit when it is tilted for the best viewing angle. Holes in the bracket base allow wood screw or through-bolt mounting. You may need to place a piece of plywood on the back of thin fiberglass panels to secure the mounting hardware. Make certain there is en[...]

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TRANSDUCER Some X-55A's are sold with a HS-WSBK transom mount transducer. It can be installed on any outboard or stern-drive (inboarcfoutboard) pow- ered boat. It can also be permanently installed inside the boat to "shoot- through1' the hull on some fiberglass boats. The "kick-up" mounting bracket helps prevent damage if [...]

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2. Slip the transducer's mounting pad between the bracket's mounting "ears". Sandwich two internal lock washers between the transducer and one side of the mounting bracket as shown below. Place one washer on the other side of the transducer. 11111 INSTALLATION - Transom Mount 1. The transducer must be placed in a location that h[...]

3. Don't mount the transducer directly behind strakes or ribs on the bottom of the hull. Typically, a good location on aluminum boats is between the ribs clpsest to the engine. (See above.) The port (left) side of the transom is preferred for mounting the transducer, however if this is not possible, the starboard (right) side can be used with [...]

5. Adjust the transducer and bracket so that the front of the transducer is slightly lower than the back. See the section on fish arches in this manual for proper transducer angles. Tighten all screws. (CAUTION: Don't overtighten the bolt that holds the transducer to the bracket. Overtightening the bolt may result in a distorted bracket which [...]

If you find noise interference from an electrical instrument, trolling motor, pump, or radio, tryto isolatethe problem. You can usually reroutethe sonar unit's power cable and transducer cable away from the wiring that is causing the interference. VHF radio antenna cables radiate noise when transmitting, so be certain to keep the sonar's [...]

TRANSDUCER LOCATION TRANSDUCER LOCATION 2. Electrical noise from the boat's motor can interfere with the sonar. This Shoot-thru-hull Installation 1. Make certain the area is clean. dry. and free of oil or grease, then sand both the inside surface of the hull and the face of the transducer with 100 grit sandpaper. The surface of the hull must b[...]

terminals or wiring on the terminals are corroded, or the battery needs transducer into the epoxy, twisting and turning it to force any air bubbles charging. Unit freezes, locks up, or operates erratically: 1. Electrical noise from the boat's motor, trolling motor, or an accessory may be interfering with the sonar unit. Rerouting the powerand [...]

DISPLAY - General The most efficient way to become acquainted with a body of water is to The lights are turned on for approximately ten seconds when the X-55A is firstturned on. Menus appearatthe sametime. To keep the lights on, press the key adjacent to the Light label. It controls the backlighting used on the display and keyboard. If you don&apos[...]

SURVEYING A LAKE The most successful anglers on any body of waterare thosewhofish it day after day and year after year. Eventually, they learn the hot spots that produce fish consistently. They discover through experience where, and atwhat depth, theycan expectto find the fish theywant at any season. And they realize that these productive areas cha[...]

SENSITIVITY Big rocks or stumps on a smooth bottom send back signals above the The sensitivity key on the X-55A controls the ability of the unit to pick up echoes. A low sensitivity level excludes much of the bottom information, fish signals, and other target information. High sensitivity levels enables you to see this detail, but itcan also clutte[...]

RANGE - Automatic When turned on for the first time, the X-55A automatically places the bottom signal in the lower half of the screen. This is called Auto Ranging and is part of the automatic function. The range cannot be changed manually while the unit is in automatic. RANGE - Manual The X-55A gives you control overthe range when it's in the [...]

Using the numbered keys, enter a numberforthe upper Iimitthat is at least _________ ZOOM Enlarging or"zooming"the picture is a common methpd usedto show small detail and fish signals. The X-55A gives you two different zoom sizes, plus a splitscreen zoom option. The zoom operation and adjustment is different in the automatic and manual mod[...]

the AUTO key again to switch it. Press the CLEAR keyto erase the AUTO! _________________ ________________ shown at twice the size as the MAN menu. All of the X-55A's features adjust the same with the Broadview on. Sensitivity, Range, Grayline®and all the others adjust eitherusing thefront panel buttons orthrough menu selections. The onlydiffe[...]

SONAR ALARMS then itshowsechoesfrom both. The X-55A has three different types of sonar alarms. The first is the Fish Alarm. It sounds when the Fish l.D. feature determines an echo or group of echoes is afish. Anotheralarm isthe ZoneAlarm which consists of a bar. Any echo that appears inside this bar triggers the alarm. The last alarm is called the [...]

RESETTING ALL GROUPS zone alarm bar set as desired, press the CLEAR key to erase the menus. To return all of the groups to their factory settings without turning the unit off and on again, pressthe WINDOWS key, then pressthe MENU key,then press the key adjacent to the "MAIN MENU" label. Now press the key adjacent to the "REPROGRAM A [...]

current shallow alarm setting. To change it, press the key next to the "CHANGE LIMIT" label atthe bottom of the screen as shown at right. Anewscreen __________ appears as shown at the top of the next page. Use the num- bered keypad on the right side of the unit to enter the shallow _________ alarm setting. We used 10 feet ________ in this[...]

ample, if you press the key ad- g MENU- PAGE 1 jacentto the window menu label on the sonar chart window, the screen will clear and you will have a new menu with selec- tions such as "ADJUST CHART SPEED" and "ADJUST GRAY- LINE" as shown below. Other window menus let you change the units of measure or adjust alarms. ______ ______ [...]

narrow or no gray line. A hard bottom returns a strong signal which causes a wide gray line. If you have two signals of equal size, one with gray and the other without, then the target with gray is the stronger signal. This helps distinguish weeds from trees on the bottom, or fish from structure. GRAYLINE is adjustable. Since GRAYLINE showsthe diff[...]

75% of the selected depth range. For example, on a 0-60 foot range with The microcomputer is sophisticated, but it can be fooled. It cannot maximum 5CC, surface clutter will be reduced down to 45 feet. There are three levels of 5CC available on the X-55A: low, medium, and high. When it's turned on forthe first time, the 8CC level is low. To ch[...]

DISPLAY CONTRAST The unit's display contrast is adjustable to suit different light- ing conditions. To adjust it, first press the menu key. The first menu page appears. Now press the key next to the "ADJUST DISPLAY CONTRAST" label. A screen similar to the at right appears. Now press the key adjacent to the left arrow to decrease the [...]

DIGITAL SONAR When the X-55A is turned on for the first time, the digital depth display is located at the top left corner of the screen. This display comes from a separate digital sonar built into the unit. It displays only the bottom depth. If it loses the bottom, the last known depth will flash on the display. When the digital finds the bottom, i[...]

Now press the key adjacent to the desired display. For ex- ample, to turn the temperature display on, press the key adja- cent to the "INCLUDE TEMP." label. Once you do this, the digital display in the corner of the screen will show the tem- perature in addition to the depth. The temperature menu label nowshows "REMOVETEMP." You[...]