Lowrance electronic LST-3800 User's Manual
Contents
1. Caution You should read over the entire installation section before drilling any holes in your vessel You can install this gauge in some other order if you prefer but we rec ommend the installation sequence summarized below 1 Determine the location for the gauge so you can plan how and where to route the cables This will help you make sure you have enough cable length for the desired configuration 2 Determine the location of your battery or other power connections along with the power cable route 3 Determine the location for the alarm buzzer and its wire route 4 If you want to turn on the gauge backlights whenever you turn on your dashboard lights locate your boat s dash light switch and determine how to route the dash light wires to it 6 Install transducer connect power wires to the battery and route the power transducer cable to the gauge location 7 Install the gauge and connect the power transducer cable 8 Connect the buzzer wires and install the buzzer If desired connect the dash light wires to the boat s dash light switch Recommended Tools and Supplies Supplies are not included unless otherwise indicated If the dash does not have a standard 2 1 8 54 mm hole you will need a drill or saw to make the hole Carefully measure the dash thickness and the hole area before cutting or drilling The buzzer installation requires two cable ties If you need to extend any of the wires use a minimum of 24 g2. NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL CONSEQUENTIAL INCIDENTAL OR OTHER INDIRECT DAMAGE OF ANY KIND Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty does NOT apply in the following circumstances 1 when the product has been serviced or repaired by anyone other than us 2 when the product has been con nected installed combined altered adjusted or handled in a manner other than according to the instructions furnished with the product 8 when any serial number has been ef faced altered or removed or 4 when any defect problem loss or damage has resulted from any accident misuse negligence or carelessness or from any failure to provide rea sonable and necessary maintenance in accordance with the instructions of the owner s manual for the product We reserve the right to make changes or improvements in our products from time to time without incurring the obligation to install such improvements or changes on equipment or items previously manufactured This warranty gives you specific legal rights and you may also have other rights which may vary from state to state REMINDER You must retain the sales slip or sales receipt proving the date of your origi nal purchase in case warranty service is ever required LOWRANCE ELECTRONICS 12000 E SKELLY DRIVE TULSA OK 74128 800 32
3. 1614 not toll free 8 a m to 5 p m Eastern Standard Time M F LE ACCESSORIES For Lowrance and Eagle Products Pub 988 0064 351 Copyright 2005 All Rights Reserved Printed in USA 092805 Lowrance Electronics Inc 12
4. 4 1356 11 How to Obtain Service in the USA Contact the Factory Customer Service Department Call toll free 800 324 1356 8 a m to 5 p m Central Standard Time M F Lowrance Electronics may find it necessary to change or end our shipping policies regu lations and special offers at any time We reserve the right to do so without notice in Canada Contact the Factory Customer Service Department Call toll free 800 661 3983 905 629 1614 not toll free 8 a m to 5 p m Eastern Standard Time M F outside Canada and the USA Contact the dealer in the country where you purchased your unit To locate a dealer near you see the instructions in paragraph number 1 below Accessory Ordering Information LEI Extras is the accessory source for sonar and GPS products manufactured by Lowrance Electronics To order Lowrance accessories please contact 1 Your local marine dealer or consumer electronics store To locate a Lowrance dealer visit the web site www lowrance com and look for the Dealer Locator Or consult your telephone directory for listings 2 U S customers LEI Extras Inc PO Box 129 Catoosa OK 74015 0129 Call toll free in the U S 800 324 0045 8 a m to 5 p m Central Standard Time M F or visit our web site www lei extras com 3 Canadian customers Lowrance Eagle Canada 919 Matheson Blvd E Missis sauga Ontario L4W2R7 or fax 905 629 3118 Call toll free in Canada 800 661 3983 or dial 905 629
5. auge wire and wire connectors of your choice Wire nuts or electrical tape are re quired to cap any unused bare wires When you determine the location for the LST 3800 drill a 2 1 8 64 mm hole in the dash or use an existing gauge hole Slide the cables through the hole from the front side of the dash then push the LST 3800 housing through the hole until it is flush with the dash surface Make sure the gauge is aligned correctly Next slide the rubber gasket and plastic mounting collar over the cables and onto the back side of the gauge Insert gauge through the hole in the front side of the dash left Slide the rubber gasket over the cables followed by the plastic collar right Slide the gasket forward so it is flush with the back of the dash then screw on the mounting collar turning it until it fits snugly against the gasket and the back of the dash Find a buzzer location that is protected from the elements but still will allow you to hear the buzzer We recommend connecting the buzzer wires then using two cable ties to attach the buzzer to one or both of the cables at the back of the gauge Finish the installation by connecting the cables as described in the fol lowing wiring diagrams and photos Wiring The LST 3800 operates from 10 to 15 volts DC 12 volt system It must be wired to a 1l amp fuse Failure to use a fuse with this product WILL VOID the warranty and could result in damage to the uni
6. en it s not in use Caution The bare ends on any unused wires could cause an electrical short if left exposed To prevent this you should cover the individual wire ends either by capping them with wire nuts or wrapping them with electrical tape You should cut off the bare wire before taping off the ends After connecting the power wires to the battery or switch connect the power transducer cable to the gauge s power cable above The unit won t be harmed if the power wires are connected backwards but it won t work until they are connected correctly NOTE The LST 3800 comes with a 200 kHz transducer For installation in structions download Installation Instructions for Skimmer Transduc ers from the Lowrance web site www lowrance com part number 988 0147 582 at www lowrance com Operation The displays and settings in this digital gauge are controlled by a three button keypad The buttons are MENU UP and DOWN The MENU key takes you to the gauge s main menu allows you to access other internal menus and is used to modify menu options The UP and DOWN buttons allow you to scroll through all menus LST 3800 keypad 5 Timeout There is no exit key in the LST 3800 The menus time out instead That means they automatically close after a preset amount of time When you install the gauge the default timeout duration is 5 seconds You can modify the Timeout setting by pressing MENU and using the up and dow
7. gp Pub 988 0064 351 L LST 3800 In Dash Digital Sonar Gauge Installation amp Operation Instructions The LST 3800 is a depth and temperature gauge that comes with a 200 kHz transducer features deep and shallow alarms and has three main page displays It can show depth in Meters or Feet temperature in Fahr enheit or Celsius and its display may be set to rotate between Tempera ture Depth or Dual display pages The unit fits in a standard 2 1 8 54 mm hole used by most marine equipment manufacturers The 3800 is designed to display water depth and surface water tempera ture but you MUST have a transducer with built in temp sensor to re ceive temperature information LST 3800 temperature gauge Mounting Preparations When installed the gauge s bezel will cover a circular area at least 2 1 2 64 mm wide on the front of the dash To mount the unit make sure there is at least 4 1 8 105 mm from the front of the dash to any ob struction behind the dash The maximum usable dash thickness is 1 1 8 28 5 mm Also make certain there is room to route the unit s cables The following figure shows gauge dimensions 105 mm Dash as 4 1 8 w F Gasket 2 1 2 64 mm f Cables Threaded mounting collar Dash installation cross section view
8. ily or household use We warrant this product against defects or malfunctions in materials and workmanship and against failure to conform to this product s written specifications all for one 1 year from the date of original purchase by you WE MAKE NO OTHER EXPRESS WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PROD UCT Your remedies under this warranty will be available so long as you can show in a reasonable manner that any defect or malfunction in materials or workmanship or any non conformity with the product s written specifications occurred within one year from the date of your original purchase which must be substantiated by a dated sales receipt or sales slip Any such defect malfunction or non conformity which occurs within one year from your original purchase date will either be repaired without charge or be replaced with a new product identical or reasonably equivalent to this product at our option within a reasonable time after our receipt of the product If such defect malfunction or non conformity remains after a reasonable number of attempts to repair by us you may elect to obtain without charge a replacement of the product or a refund for the product THIS RE PAIR OR REPLACEMENT OR REFUND AS JUST DESCRIBED IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT MALFUNCTION OR NON CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER WE WILL
9. n keys to scroll through the main menu When TimEouT appears in the cen ter square like the illustration below press MENU That will open the Timeout Menu which has four settings 3 5 7 and 10 seconds Use the UP and DOWN keys to choose a setting then press MENU E i Center Set units J secs faecal square ie O5 secs A menu Timeout OF secs O10 secs all Timeout in the center square on the main menu left will take you to the Timeout menu All items on the main menu will function in the same way The Timeout menu right Pages When you first start using the gauge it will display the Depth page by default There are two other pages the Temperature page and the Dual Display page You can cycle through the pages manually or have them displayed at various intervals with the AuToscROLL menu discussed on page 7 To cycle through the pages manually press the up and down keys 55 2 Temperature Page To modify what pages will be displayed press MENU and use the UP and DOWN keys to scroll through the menu options until Paces appears in the center square Press MENU and use the UP and DOWN keys to move through the three page options Press MENU to check or uncheck the box next to the page category you want to display After making your selec tion the menu will time out taking you back to the main screen 6 Depth Page The Depth Page displays water depth readings take
10. n by the 200 kHz transducer packed with the LST 3800 For transducer installation instructions see Installation Instructions for Skimmer Transducers part number 988 0147 582 Temperature Page The Temperature Page monitors surface water temperature via a tem perature sensor built into your 200 kHz transducer Dual Display Page The dual display shows depth and temperature readings simultaneously Autoscroll If you would like page displays to rotate automatically check out Auto Scroll the first category on the main menu Autoscroll allows you to not only turn on or off automatic page rotation but gives you control over the amount of time that will pass before the gauge switches to the next page To access the Autoscroll menu press MENU MENU and use the up and down keys to select the desired duration The settings are Orr 3 5 and 10 seconds The default setting for Autoscroll is off When you have made the desired changes let the menu time out LST 3800 Menus The unit has 10 menus To access a menu press MENU and use the UP and DOWN keys to scroll the desired menu into the center square then press MENU Autoscroll Backlight Contrast Options Pages Shallow Alarm Deep Alarm Set Units Timeout System Setting LST 3800 Options Display options for the 3800 may be manipulated through the BACKLIGHT ConTRAST and OPTION menus You can set alarms and change units of measure in the SHALLOW ALARM DEEP ALARM and SET UNITS men
11. t or your boat LST black wire to Buzzer red wire buzzer black wire to boat power Buzzer LST 3800 housing SA X a yf f Red wire 5 and fuse w Red to dash light switch Black wire 12 volt battery Power transducer cable eet Transducer LST 3800 cable connections In the configuration above the unit is always on It will draw 11 milli amps of current with the backlight off and 40 milliamps with the back light on full brightness Typically the maximum recommended current load on a boat in storage is about 50 milliamps A battery will self dis charge at a rate of about 9 milliamps A battery s normal discharge plus the gauge current lights off amounts to approximately 20 milliamps well below the recommended load limit in storage To automatically have the gauge backlights turn on when you turn on the other dashboard lights connect the red dash light wire to the switch con trolling the dash lights If you want to turn off the gauge when your not using it connect the red wire from the power transducer cable to your boat s accessory switch or install an optional switch between the unit and the power source See the following figure Power transducer Pp Black wire g 12 volt Red wire Accessory battery and fuse switch This wire configuration lets you turn off the gauge wh
12. u Backlight Once in the Backlight menu use the UP and DOWN keys to select one of five brightness levels OFF 25 50 75 or Max If the unit s dash light wires are connected the backlight will come on when with the rest of the dash lights are turned on See wiring options on pages 4 To control the backlight manually check or uncheck the MANUAL box by pressing MENU in the Backlight internal menu Use the UP key to in crease the brightness level The brightness level may be lowered or turned off by pressing the DOWN key The Off setting will only appear when Manua is checked NOTE The OrF setting is also supported in the automatic Backlight configu ration but you will only see it when the dash lights are off Contrast After opening the Contrast internal menu a contrast scroll bar will ap pear Use the UP and DOWN keys to change the contrast setting Let the menu time out to return to the main display Options The Options menu allows you to return the unit to its FACTORY SETTINGS turn on or off KEY BEEP sounds the keys will beep when pressed when this feature is turned on or change the look of the display via the REVERSE VIDEO setting Using Reverse video will alter the screen from the default dark numbers with gray background to gray numbers with a dark background NOTE Factory SETTINGS will restore the unit to the default settings used when the gauge was powered up for the first time Pages The Pages menu allows
13. you to select the pages you want to see on the main display See the detailed entry on page 6 Shallow Alarm The shallow alarm can be set to notify you of water depth ranging from 1 to 640 feet 195 meters The default alarm setting is off To set the shal low alarm press MENU then use the UP and DOWN keys to scroll the shallow alarm menu into the center square Press MENU to access the alarm menu then use the UP and DOWN keys to set the alarm to the de sired depth Deep Alarm The deep alarm can be set to notify you of water depth ranging from 1 to 640 feet 195 meters The default alarm setting is off To set the deep alarm press MENU then use the UP and DOWN keys to scroll the deep 8 alarm menu into the center square Press MENU to access the alarm menu then use the UP and DOWN keys to set the alarm to the desired depth Set Units The Set Units menu allows you to switch the units of measure for tem perature and depth from FEET and FAHRENHEIT F to METERS and CELsius C Timeout You can modify the amount of time a menu will be displayed by accessing the Timeout menu See detailed entry on page 6 System The System menu displays the gauge s software information Notes LOWRANCE ELECTRONICS FULL ONE YEAR WARRANTY We our or us refers to LOWRANCE ELECTRONICS INC the manufacturer of this product You or your refers to the first person who purchases this product as a consumer item for personal fam
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