Eagle Tree eLogger V3 User Manual

Intended uses, Packing list, Steps to follow

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Copyright © 2003-2007 Eagle Tree Systems, LLC

Instruction Manual for the eLogger V3

Patent Pending

Document Version 1.9, Model # MPRV3-CONN-100, MPRV3-LEADS-100, and MPRV3-LEADS-150

Thank you for your purchase! This instruction manual will guide you through the installation and operation of your eLogger.

Please read the entire manual carefully before proceeding.
If, after you read the manual (including the Troubleshooting
sections!) you have further questions or problems, please visit our web support page for additional support options, at


. Note that the latest version of this manual is available in PDF form

from the Support page of our website.

Please also fill out the registration form at the end of this manual if you did not purchase your eLogger directly from Eagle
Tree Systems, so we can send you important update information.

Key Features

Here are a few of the features of the eLogger:

Logs pack current to +/- 100 amps (150 amps with MPRV3-LEADS-150) and voltage from about 5 volts to 70

Current is measured with a true Hall Effects Sensor - NOT a resistance shunt like other units on the market!

Great for bench monitoring of battery charging also!

Supports the PowerPanel LCD Display

Accepts optional inexpensive sensors for three Temperatures, RPM (brushless, magnetic or optical), Airspeed,
Altitude, GPS, Servo Current, Throttle Movement, and more

Adjustable logging rate (1-10 samples/second) and lossless data compression for long log times

4 times the logging space of the eLogger V2, and all data is logged to permanent memory, which retains the data
even when the power is removed

Software computes Wattage, mAH, etc. for complete e-flight data.

Fully Compatible with Windows 7 (32 and 64 bit), Vista, 98SE, ME, Win2K and XP™

Weighs about 0.7 oz (20 grams). Versions with Wire Leads weighs slightly more.

Comes with our state of the art Windows virtual playback display and graphing

Powerful Graphing software has advanced charting features, such as amps vs volts

Internet Updatable firmware - as we add new features or (heaven forbid) have a firmware bug, the update is just a
download away! No need to ship hardware back and forth.

Full support for English and Metric units

Intended Uses

The eLogger was designed for use in Unmanned Radio Controlled models. It is intended to be used exclusively in model planes,
boats and cars. Using the eLogger for other purposes is not supported. Further, using the eLogger in situations where its use or
failure could result in loss of life, bodily injury or property damage is expressly prohibited.

Packing List

Your package should include the following: eLogger (either with integrated connectors or with wire leads), Custom USB Cable, and

Steps to Follow

Installation and use of the eLogger will be quite easy and enjoyable if you follow these few steps:


Read through the manual to understand the important warnings, determine what parameters you want to log, etc.


Install the eLogger in your model, as described in the eLogger Installation section below. Pay special attention to the
polarity and plug-in location of the sensors, since some of the plugs will fit in more than one location!