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Lowrance electronic X-75 - page 1
INST ALLA TION AND OPERA TION INSTR UCTIONS X-75 X-75 X-75 X-75 X-75 and and and and and X-85 X-85 X-85 X-85 X-85 ...
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Lowrance electronic X-75 - page 2
TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS INTRODUCTION ................................................................................................................... .......... 1 INSTALLATION - BRACKET ............................................................................................... ...
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Lowrance electronic X-75 - page 3
INTR ODUCTION The X-75 and X-85 are the latest members of the Lowrance family that combines a high performance sonar with a wide, high definition screen. Using menu features and “soft-key” operation, these units are also easy to use. The wide screen shows the underwater world with high resolution and detail. The display and keyboard are also li ...
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Lowrance electronic X-75 - page 4
POWER CONNECTIONS The unit works from a twelve-volt battery system. For the best results, attach the power cable directly to the battery. You can attach the power cable to an accessory or power buss, however you may have problems with electrical interference. Therefore, it’s safer to go ahead and attach the power cable directly to the battery. If ...
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Lowrance electronic X-75 - page 5
RED WIRE 3 amp FUSE BLACK WIRE 12 VOLT BATTERY TO SPEED/TEMP OR TEMP SENSORS (Not included) POWER CONNECTIONS To Sonar Unit SPEED/TEMPERATURE SENSORS This unit accepts up to three temperature sensors which can monitor surface water, live well, air, and virtually any other temperature. You do need to be careful when purchasing the temperature sensor ...
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Lowrance electronic X-75 - page 6
Sensor Chart (Note: Do not use these sensors in any other combination.) ST-TBK = 1 speed sensor and 1 temperature display ST-TBK + TS-2BK = 2 temp sensors and one speed sensor ST-TBK + TS-2BK + TS-3BK = 3 temp sensors and one speed sensor TS-1BK = 1 temperature sensor TS-12BK = 2 temperature sensors or TS-1BK + TS-2BK = 2 temperature sensors TS-12B ...
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Lowrance electronic X-75 - page 7
Three Temperature Sensors (Water, T-2, and T-3) Three Temperature Sensors plus Speed (Water, T-2, T-3, and Speed) TS-12 BK TS-3 BK ST-TBK TS-2 BK TS-3 BK POWER CABLE POWER CABLE ...
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Lowrance electronic X-75 - page 8
LOWRANCE 192 kHz TRANSDUCER POWER TO SAM-50HPD (NOT INCLUDED) CONNECTORS The diagram above shows the three connectors on the back of the sonar unit. Looking at the back of the unit, the 192 kHz transducer connector is at the far left. Plug the 192 kHz transducer in here. The center connector is for the power cable. The connector at the far right is ...
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Lowrance electronic X-75 - page 9
Transducer Installation Some of the models covered by this manual have a transom-mount transducer included. There two different transducers that could be packed with your unit. One is a 20° cone angle "Skimmer" transducer that can be mounted on the transom or epoxied inside certain boats to "shoot-thru" the hull. The other tran ...
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Lowrance electronic X-75 - page 10
Shoot-thru-hull v.s. Transom Mounting (20° Transducer Only) Typically, shoot-thru-hull installations give excellent high speed opera- tion and good to excellent depth capability. There is no possibility of damage from floating objects. It can't be knocked off when docking or loading on the trailer. However, the shoot-thru-hull installation do ...
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Lowrance electronic X-75 - page 11
2. Slide the tr ansducer between the two ratchets . T emporally slide the bolt though the transducer assemb ly and hold it against the transom. Looking at the transducer from the side , check to see if it will adjust so that its f ace is parallel to the ground. If it does , then the “A” position is correct f or your hull. If the transducer’ s ...
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Lowrance electronic X-75 - page 12
CAUTION! CAUTION! CAUTION! CAUTION! CAUTION! CLAMP THE TRANSDUCER CABLE TO CLAMP THE TRANSDUCER CABLE TO CLAMP THE TRANSDUCER CABLE TO CLAMP THE TRANSDUCER CABLE TO CLAMP THE TRANSDUCER CABLE TO TRANSOM NEAR THE TRANSDUCER. THIS TRANSOM NEAR THE TRANSDUCER. THIS TRANSOM NEAR THE TRANSDUCER. THIS TRANSOM NEAR THE TRANSDUCER. THIS TRANSOM NEAR THE TR ...
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Lowrance electronic X-75 - page 13
5. Remo ve the transducer from the br ack et and re-assemble it with the cable passing through the br ack et ov er the bolt as shown abo ve . At- tach the transducer to the transom. Slide the transducer up or do wn until it’ s aligned proper ly on the transom as sho wn abov e. Tighten the brac ket’ s mounting screw s. Adjust the transducer so t ...
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Lowrance electronic X-75 - page 14
SHOOT-THRU-HULL (20° Transducer Only) The transducer installation inside a fiberglass hull must be in an area that does not have air bubbles in the resin or separated fiberglass layers. The sonar signal must pass through solid fiberglass. A success- ful transducer installation can be made on hulls with flotation materials (such as plywood, balsa w ...
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Lowrance electronic X-75 - page 15
TRANSDUCER LOCATION (HIGH SPEED) TRANSDUCER LOCATION (TROLLING SPEED) 2. Follow the instructions on the epoxy package and mix it thoroughly. Do not mix it too fast, as it will cause bubbles to form in the epoxy. Apply a small amount on the face of the transducer as shown above, then spread a small amount onto the sanded area on the hull. Place the ...
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Lowrance electronic X-75 - page 16
TRANSDUCER INSTALLATION - 8° Transducer Only The 8° transducer is designed for transom mount only. It can be installed on any outboard or stern-drive powered boat. Do not use this transduc- ers on an inboard powered boat. Please read these instructions carefully before installing your trans- ducer. The transducer mounting location is the most cri ...
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Lowrance electronic X-75 - page 17
RATCHET TRANSDUCER BRACKET - o + o ANGLE OF ATTACK 14 DEGREES This is the way the transducer should look when it's mounted on the transom. TRANSDUCER RATCHET See the chart at the top of the next page for example transducer angles for letter "A" at 12, 14, and 16 degree transom angles. ...
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Lowrance electronic X-75 - page 18
12 DEGREE TRANSOM ANGLE INDEX MARKS A-A A-B A-C A-D A-E ANGLE OF ATTACK PER RATCHET CLICK For example, with a 14 degree transom, placing the ratchet on the transducer bracket on "A" and the ratchet on the transducer on "C" will result in a +42.0 to -3.0 degree coarse angle adjustment range. +42.0 o -3.0 o +37.0 +31.0 +40.0 +35.0 ...
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Lowrance electronic X-75 - page 19
2. Once you've determined the proper ratchet placement, assemble the transducer and bracket as shown above. Don't tighten the nut at this time. INSTALLATION - Location 1. The transducer must be placed in a location that has a smooth flow of water at all times. Air bubbles created by the movement of the boat hull against the water interfer ...
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Lowrance electronic X-75 - page 20
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 closest to the engine. 4. Once you determine the best location for the transducer, hold the bracket against the transom. The transducer should be roughly paral- lel to the ground. The bottom of ...
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Lowrance electronic X-75 - page 21
FLAT-BOTTOM HULL DEEP-"VEE" HULL 6. Route the transducer cable to the sonar unit. Keep the transducer cable away from other wiring on the boat, if possible. Electrical noise from engine wiring or bilge pumps can be picked up on the trans- ducer cable. This can show up as unwanted interference on the sonar display. NOTE: Some aluminum boat ...
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Lowrance electronic X-75 - page 22
KEYBOARD The keyboard has keys arranged in two vertical columns beneath the arrow keys. The menu key near the bottom left corner of the keyboard activates the first menu page. The other keys are used to activate the alarm menu, make menu selections, and change modes. MODE - Pressing this key switches the unit between different modes. MENU - Press t ...
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Lowrance electronic X-75 - page 23
MENUS The sonar unit uses menus extensively to guide you through the functions and features of the unit. To use the menus, simply press the MENU key. The options on the menus let you to customize the unit to your particular needs and water conditions. Use the up and down arrow keys to move to different menus. The left and right arrow keys select an ...
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Lowrance electronic X-75 - page 24
However, you can adjust some fea- tures separately when you're using both 50 and 192 kHz. For example, the sensitivity menu shown at right lets you select either the 192 or 50 kHz chart by pressing the appropriate ar- row key. To adjust the 192 kHz sensi- tivity, press the left arrow key. The screen shown below appears. This is the 192 kHz sen ...
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Lowrance electronic X-75 - page 25
MODES This unit has five different modes: FASTRAK, digital/chart, split-chart, full chart, and win- dow groups. Each of these modes also has multiple options. To select a different mode, first press the MODE key. A screen similar to the one at right appears. Press the up or down arrow key to select the desired mode, then press the left or right arr ...
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Lowrance electronic X-75 - page 26
Split Chart The split chart normally shows the underwa- ter world from the surface to the bottom on the right side of the screen. The left side shows an enlarged version of the right side. The zoom range shows at the bottom of the screen. In the split 192 kHz example screen shown at right, the zoom range is 2X, or two times the right side's vi ...
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Lowrance electronic X-75 - page 27
the left or right arrow keys to sequence through the available groups. When the desired group appears, press the EXIT key to erase the modes menu. Reprogram Windows Groups You can customize the window groups to meet your own fishing or boating situations. This unit gives you eight different windows that can be rear- ranged into many combinations. T ...
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Lowrance electronic X-75 - page 28
AUTOMATIC When the sonar unit is first turned on, the Automatic feature is enabled. This is indicated by the word “AUTO” at the top of the screen. The Automatic fea- ture adjusts the sensitivity and range so the bottom signal is displayed in the lower half of the screen at all times. To turn Automatic off, first press the MENU key, then press t ...
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Lowrance electronic X-75 - page 29
SENSITIVITY The sensitivity 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 it can also clutter the screen with many undesired signals. Typi- cally, the best sensitivity level s ...
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Lowrance electronic X-75 - page 30
RANGE - Automatic When turned on for the first time, the unit automatically places the bottom signal in the lower half of the screen. This is called Auto Ranging and is part of the automatic function. Typically, the range cannot be changed manu- ally while the unit is in automatic, as shown at right. However, depending upon the bottom depth and the ...
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Lowrance electronic X-75 - page 31
Now press the left arrow key to change the upper limit or the right arrow key to change the lower limit. After pressing the key, a screen similar to the one at the top of the next page appears. UPPER AND LOWER LIMITS You can enter any range when the unit is in the manual mode. The unit lets you enter any upper and lower limit, provided there is at ...
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Lowrance electronic X-75 - page 32
In this example, we're setting the upper limit. Use the up and down arrow keys to select the number, the right and left arrow keys to move to the next number. When the limit shows the desired depth, press the ENT key. The screen shown below appears. As you can see, the upper limit has changed from 0 to 35 feet. With the lower limit remain- ing ...
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Lowrance electronic X-75 - page 33
ZOOM - MANUAL MODE The Z-IN (zoom-in) and Z-OUT (zoom-out) keys enlarge and reduce the size of the echoes on the screen when the unit is in the manual mode, the same as the automatic mode. However, you can manually adjust the zoom when the unit is in the manual mode. To do this, press the MENU key, then press the right or left arrow keys until the ...
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Lowrance electronic X-75 - page 34
down arrow keys until the GRAYLINE menu appears. A screen similar to the one at right appears. Press the left arrow key to decrease the gray level or the right arrow key to increase it. The percentage of GRAYLINE in use changes as the arrow keys are pressed. The bar chart also gives a graphical indication of the GRAYLINE level. You can see the chan ...
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Lowrance electronic X-75 - page 35
FISH ID The Fish ID feature identifies targets that meet certain conditions as fish. The microcomputer analyses all echoes and eliminates surface clutter, thermoclines, and other signals that are undesirable. In most instances, remaining targets are fish. The Fish ID feature displays symbols on the screen in place of the actual fish echoes. There a ...
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Lowrance electronic X-75 - page 36
When the unit is first turned on, FishTrack is off. To turn the FishTrack feature on, press the menu key, then press the up or down arrow keys until the FISH ID menu appears. Now press the right arrow key. Pressing it once switches the Fish ID feature on, but leaves FishTrack off. To turn FishTrack on, press the right arrow key again, which highlig ...
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Lowrance electronic X-75 - page 37
To turn the chart cursor off, repeat the above steps. The unit returns to the sonar screen without the chart cursor. DISPLAY ZOOM BAR When the unit is in the split-screen zoom mode, the zoom bar doesn’t normally show on the screen. The zoom bar shows the section of water on the right side of the screen that is being enlarged on the left side. To ...
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Lowrance electronic X-75 - page 38
The digital normally operates at 192 kHz, however, to penetrate deeper water, you can switch it to 50 kHz. The digital's frequency shows just to the right of the digital depth display. The digital sonar can be turned off, however this turns all automatic fea- tures off also, such as auto sensitivity, auto ranging, depth alarms , and the Fish I ...
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Lowrance electronic X-75 - page 39
setting. Both depth alarms work only off the digital bottom depth signals. No other targets will trip these alarms. If you turn the digital off, the depth alarms will be inoperative. These alarms can be used at the same time or individually. CAUTION! The depth alarms are turned off when the FASTRAK mode is turned on! To adjust the shallow alarm, hi ...
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Lowrance electronic X-75 - page 40
ZONE ALARM The zone alarm is triggered when any echo passes inside the zone alarm bar, shown on the right side of the screen. To turn the zone alarm on, highlight the "Zone Alarm" label on the alarms menu, then press the right ar- row key. To adjust the zone alarm, highlight the "Zone Adjust" label, then press the right arrow ke ...
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Lowrance electronic X-75 - page 41
sensitivity of the receiver, decreasing it near the surface and gradually increasing it as the depth increases. The maximum depth that SCC will affect is 75% of the selected depth range. For example, on a 0-60 foot range with maximum SCC, surface clutter will be reduced down to 45 feet. There are three levels of SCC available: low, medium, and high ...
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Lowrance electronic X-75 - page 42
SYSTEM SETUP The following features are available through the "System Setup" menu. To access this menu, press the MENU key, then press the up or down arrow keys until the "System Setup" menu appears. Press the right arrow key. The screen shown at right appears. Audio/Display You can adjust the display's contrast, turn the s ...
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Lowrance electronic X-75 - page 43
Temperature Graph Some of the screens have a temperature graph, as shown at right. Normally, the temperature graph has a 2° range. On the screen shown at right, the temperature graph has a range from 71° to 73°. You can change this range to 4° or 10° using the "Temp Graph Scale" label on the Units of Measure menu. Highlight that labe ...
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Lowrance electronic X-75 - page 44
Press the right arrow key, then the up or down arrow keys until 1.0 appears in the "Adj Keel" box, as shown at right, then press the ENT key. This immediately changes the digital depth display at the top of the screen by one foot. Press the EXIT key to erase this menu. Note: Another way to use the keel offset feature is if you want to kno ...
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Lowrance electronic X-75 - page 45
WINDOWS SUMMARY GROUP "F" GROUP "H" GROUP "D" GROUP "A" GROUP "E" GROUP "G" GROUP "C" GROUP "B" ...
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Lowrance electronic X-75 - page 46
TROUBLESHOOTING If your unit is not working, or if you need technical help, please use the following troubleshooting section before contacting the factory customer service department. It may save you the trouble of returning your unit. Unit won’t turn on: 1. Check the power cable’s connection at the unit. Also check the wiring. 2. Make certain ...
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Lowrance electronic X-75 - page 47
3. The water may be deeper than the sonar’s ability to find the bottom. If the sonar can’t find the bottom signal while it’s in the automatic mode, the digital will flash continuously. It may change the range to limits far greater than the water you are in. If this happens, place the unit in the manual mode, then change the range to a realist ...
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Lowrance electronic X-75 - page 48
NOISE A major cause of sonar problems is electrical noise. This usually appears on the sonar’s display as random patterns of dots or lines. In severe cases, it can completely cover the screen with black dots, or cause the unit operate erratically, or not at all. To eliminate or minimize the effects of electrical noise, first try to determine the ...
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Lowrance electronic X-75 - page 49
LOWRANCE ELECTRONICS FULL ONE-YEAR WARRANTY “We", “our”, or “us” refers to LOWRANCE ELECTRONICS, the manufacturer of this product. “You” or “your” refers to the first person who purchases this product as a consumer item for personal, family, or household use. We warrant this product against defects or malfunctions in material ...
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Lowrance electronic X-75 - page 50
Ho w to Obtain Ser vice (Canadian Customers Only) We back your investment in quality products with quick, expert service and genuine Lowrance replacement parts. If you need service or repairs, contact the Lowrance Factory Customer Service Department at the toll-free number listed below. A technician may be able to solve the problem and save you the ...
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Lowrance electronic X-75 - page 51
LITHO IN U.S.A. 988-0133-46 How to Obtain Ser vice (U.S.A. Only) We back your investment in quality products with quick, expert service and genuine Lowrance ® replacement parts. If you're in the United States and you have questions, please contact the Factory Customer Service Depart- ment using our toll-free number listed below. You must send ...
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