Lowrance electronic LST-3800 manual

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Table of contents for the manual

  • Page 1

    1 Pub. 988-0064-351 LST-3800 In-Dash Digital Sonar Gauge Installation & 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 s[...]

  • Page 2

    2 Dash installation, cross-section view. 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 t[...]

  • Page 3

    3 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 exten[...]

  • Page 4

    4 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 mill[...]

  • Page 5

    5 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 swit[...]

  • Page 6

    6 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 T IMEOUT setting by pressing MENU and using the up and down keys to scroll through the main menu. When T [...]

  • Page 7

    7 Depth Page The Depth Page displays water depth readings taken 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 int[...]

  • Page 8

    8 Backlight Once in the Backlight menu, use the UP and DOWN keys to select one of five brightness levels, O FF , 25% , 50% , 75% or M AX . 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 unche[...]

  • Page 9

    9 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 F EET and F AHRENHEIT (°F) to M ETERS and C ELSIUS (°C) . Timeout You can modify the amount of time a[...]

  • Page 10

    10 Notes[...]

  • Page 11

    11 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, family or household use. We warrant this product against [...]

  • Page 12

    12 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 Can[...]