J.P. Instruments EDM-740

For Your Safe Flight Page 1
Pilot’s Guide
Engine Data Management
EDM-730
EDM-830
EDM-740
EXPERIMENTAL
Copyright  2000-2010 J.P. Instruments, Inc.
All Rights Reserved
J.P. INSTRUMENTS INC.
Information: P. O. Box 7033
Huntington Beach, CA 92646
Factory: 3185 B Airway
Costa Mesa, CA 92626
PH: (714) 557-5434
PH: (800) 345-4574
FX: (714) 557-9840
www.jpinstruments.com
www.jpitech.com
Support@jpitech.com
Printed in the United States of America Rev C June 1 2010
Last printed 3/11/2011 8:44:00 AM

J.P. Instruments EDM-740 Specifications

General

Brand	J.P. Instruments
Model	EDM-740
Category	Controller
Language	English

Summary

EDM-730830 Basic Scanner Operation

Operating Modes

Explains the three standard operating modes: Automatic, Manual, and LeanFind.

EDM Control Buttons

STEP and LF Button Functions

Covers primary and secondary functions of the STEP and LF buttons.

LeanFind Procedures

Rich of Peak Leaning

Details the step-by-step procedure for Rich of Peak leaning.

Lean of Peak Leaning

Details the step-by-step procedure for Lean of Peak leaning.

Engine Operation by Phase

Descent and Shock Cooling

Covers descent setup, alerts, and shock cooling monitoring.

Common Misapplications

User Errors and Solutions

Lists common EDM user errors and their corrective actions.

Diagnosing Engine Problems

Typical EDM Indications and Ranges

Lists parameters, normal ranges, and comments for engine diagnosis.

Alarms

Alarm Priority and Handling

Pre-Ignition and Detonation

Causes and Effects

Explains rapid combustion, detonation, and pre-ignition.

Fuel Flow Option Operation

Fuel Management Principles

Start Up Fuel Configuration

Fuel Data Management Functions

Covers Resetting USED, Accumulate, Display Select, and Parameter Scan.

Personalizing the EDM

Pilot Programming Overview

Introduces the pilot programming mode and its interface.

Programming the Fuel Flow Option

Fuel Flow Parameters and K Factor

Covers setting fuel flow parameters and the K factor.

Fine Tuning the K Factor

Details the procedure for fine-tuning the K factor.

Advanced Programming and Configuration

Alarm Limits and Tank Capacity Setup

Covers setting alarms, tank capacity, units, and fuel parameters.

Diagnostic Messages

Fuel Flow and GPS Signal Issues

Options Connector Pin Assignments

Pinouts for EDM Connectors

Display Customization

Customizing Linear Gauge Layouts

Technical Support

Contacting JPI for Assistance

Limited Warranty

JPI Warranty Terms and Conditions

EDM-851 Twin Engine Addendum

Twin Engine Installation and Operation

Quick Reference Guide

Common Operations Summary

Fueling and Leaning Procedures

Covers tank filling, fuel addition, alarm reset, and leaning procedures.