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Lowrance EP-25 Installation Instructions Manual
Lowrance EP-25 Installation Instructions Manual

Lowrance EP-25 Installation Instructions Manual

Speed electronic sensor

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This instruction sheet tells how to install your EP-25 Speed sensor and
connect it to a NMEA 2000
components. You must refer to your digital gauge, sonar or GPS unit's
manual for sensor operation instructions.
Caution:
Installing LowranceNET NMEA 2000 devices is significantly
different from installing earlier Lowrance components without
NMEA 2000 features. You should read all of the installation
instructions before proceeding. You should decide where to
install all components before drilling any holes in your vessel.
Some sonar or GPS units may require a software upgrade to display
NMEA 2000 data correctly and a manual addendum describing how to
operate the sensor. You can download these free and get additional
information on the NMEA 2000
our web site, www.lowrance.com.
All Lowrance NMEA 2000 capable devices are either NMEA 2000
certified or certification is pending. See our web site for the latest
product status information.
Smart module
The EP-25 consists of the paddle wheel module, a blue female locking
cable connector and the smart module. The cable length from the
EP-25 Speed
Electronic Sensor

Installation Instructions

The EP-25 Speed sensor.
network using LowranceNET network
compatible LowranceNET system at
Paddle wheel module
1
Pub. 988-0154-451
Blue female NMEA
2000 connector

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Summary of Contents for Lowrance EP-25

  • Page 1: Installation Instructions

    Electronic Sensor Installation Instructions This instruction sheet tells how to install your EP-25 Speed sensor and connect it to a NMEA 2000 components. You must refer to your digital gauge, sonar or GPS unit's manual for sensor operation instructions. Caution:...
  • Page 2 "Setup and Installation of NEMA 2000 Networks, General Information" document (part number 988- 0154-172) included with your EP-25 sensor. If that document is missing it can be downloaded free from the Lowrance web site.
  • Page 3 Installation To install the speed sensor, first find a location on the boat's transom where the water flow is smoothest. Don't mount the paddle wheel module behind strakes or ribs. These will disturb the water flow to the paddle wheel. Make sure the paddle wheel will remain in the water when the boat is on plane.
  • Page 4 Route the sensor's cable connector to the T on the network backbone where you intend to attach it, and plug it in. The sensor is now ready to use. Connecting to a NMEA 2000 Network A network bus is an installed and operational network cable (backbone) running the length of your boat, already connected to a power supply and properly terminated.
  • Page 5 T connector. Existing network node Add a new device to a NMEA 2000 bus by attaching a T connector between two T connectors, between a T connector and the end terminator, or between two backbone extension cables.
  • Page 6 The "soft" T connector, shown above with a "hard" T connector, is another option for connecting devices in a NMEA 2000 network. The soft T works the same as a hard T. The soft T is used to install a network node in areas were a hard T will not fit.
  • Page 7 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.
  • Page 8: Accessory Ordering Information

    For Eagle: 8 a.m. to 5 p.m. Central Standard Time, M-F Lowrance Electronics and Eagle Electronics may find it necessary to change or end their shipping policies, regulations and special offers at any time. They reserve the right to do so without notice.