J.P. Instruments EDM-900 Installation and operating instructions

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Addendum to EDM900/930/960 Pilot’s Guide
Rev. D 3/2/2015
Contents
Overview.................................................................................................2
Disclaimer…….......................................................................................2
Changing Fuel Units……………………....……...................................4
Selecting Lean of Peak as Default………………………......................4
Swapping RPM and MAP dial positions………....................................4
Changing Hobbs and Tachometer times….............................................4
Setting Engine Tach Time Start Point.....................................................4
930/960 Only using EDM Config
Changing Non-Primary Gauge Title using Gauge Channel Names.…5
Changing Non-Primary Gauge Title using User defined Name……...5
Adding fuel tanks using EDIT CHANNELS?......................................6
Removing fuel tank gauges from the display using EDIT
GAUGES..............................................................................................7
Adding Auxiliary fuel tanks.................................................................8
Adding options to the EDM display.....................................................8
Changing Channels Monitored.............................................................9

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Overview
This is for informational purposes in configuring the EDM-
900/930 SINGLE and EDM-960 TWIN units. In this guide they
will all be called EDM. The following customer configurable
options have been added for all new and recently updated EDMs
starting with the release of firmware version 1.20.498
(EDM930/960) and 1.30.1012 (EDM-900):
1) Fuel Units (Gallons, lbs., liters, kgs.)
2) Lean of Peak as default
3) Map and RPM dial position swap
4) Airframe and Tachometer time adjust
DISCLAIMER
I Paul Stanczyk have written this for my information only.
Proper configuration of your J.P. Instruments EDM is very
important to the safe operation of your aircraft. All primary

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instrument settings must conform to the manufacturer's limitations
for your aircraft.
It is your responsibility to ensure that all limitations and markings
are correct before operating your aircraft.
By continuing to adjust the values in the FACTORY menu, you
acknowledge:
• You have read the Pilot's Guide for this device
• You have read the EDM Configuration Guide
• You will not use this program for any purpose other than
configuration of your J.P. Instruments EDM system
• Your agreement with this information
New features are found both in the FACTORY menu of your EDM
and via EDM Config. To get to the FACTORY menu follow
this procedure:
1) Turn the unit on and wait for it to cycle to normal operation.
2) Hold buttons 1 and 2 until you see “PROGRAM” at the
bottom of the display.
3) Tap the NO button when prompted to refuel.
4) Keep tapping the NEXT button until you see “END ?”
At this point tap the FACTORY button (button 4). This will get
you into the FACTORY menu.
To get into EDM Config, follow this procedure:
1) With the unit power off, HOLD both buttons 1 and 2
until you see the Blue AppLoader page then release
the buttons.

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2) Tap “CFG EDITOR” and allow it to load. Press
any key to begin when the “Configuration Editor
Version 1.1X” page appears.
3) Tap the ACCEPT button to continue. The Editor
will begin with “SHOW CONFIGURATION
TUTORIAL ?”.
4) Tap YES if you are not familiar with the functioning
of the Configuration Editor.
Changing Fuel Units
Once in the FACTORY menu, tap the NEXT button until you see
FUEL UNITS: GAL. Hold buttons 1 and 2 until you see ADJUST
GAL and the button selection of NEXT and CHANGE. Tap
CHANGE to select the fuel unit required. Once you have chosen
the fuel unit value, hold buttons 1 and 2 until you see “SET XXX”.
Then Tap the NEXT button until you see END? Tap YES to exit
the FACTORY mode. Tap NO to return to the beginning of the
FACTORY menu.
Selecting Lean of Peak as a default
Once in the FACTORY menu, tap the NEXT button until you see
LOP DFLT? N. Tap YES to make Lean of Peak your default lean
find method or NO to keep Rich of Peak your default setting.
Swapping the RPM and MAP gauge positions
Once in the FACTORY menu, tap the NEXT button until you see
SWAP DIALS? N. Tap YES to swap gauge positions or NO to

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keep it the way it is, unless it already says YES in which case you
tap NO to swap gauge positions.
Adjusting Airframe Hobbs and Tachometer times
Once in the FACTORY menu, tap the NEXT button until you see
END? HOLD both buttons 1 and 2 until you see HOBBS TIMES.
You will then see AIRFRAME HOBBS: XXXX.X. Hold buttons
1 and 2 again until you see ADJUST and one of the digits flashing.
Tap the DIGIT button to move to the next digit and the PLUS and
MINUS buttons to select the desired number. Once done, hold
both buttons 1 and 2 to SET the change. The next value you will
see is TACH TIME: XXXXX.X. Hold both buttons 1 and 2 to
begin the change procedure as previously explained for Airframe
Hobbs.
Setting Engine Tach Time Start Point
Once in the FACTORY menu, tap NEXT until you see
“AVERAGE CRUISE RPM 2400”. This is the factory
default. To change the value HOLD both buttons 1 and 2
until you see you see the word “Adjust” flash and the
words “AVERAGE CRUISE RPM 2400” appear. The
bottom of the display will have PLUS and MINUS which
allow you to raise or lower the RPM start value. Once you
have changed the number, HOLD both buttons 1 and 2 to
SET.
Changing Non-Primary Gauge Titles Using Gauge
Channel Names
Once in the program EDM Config, tap NEXT to skip until
you see “EDIT GAUGES?” Follow prompts to select the

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gauge you wish to modify. Tap MODIFY to begin the
process. Tap NEXT to move the box which highlights the
value to be changed. When arriving at the Title Box tap
MODIFY and you will see “Change Gauge Channel”.
This is a list of standard titles for our display. Tap YES to
enter the list and NEXT to scroll through each new Title.
Tap SAVE to set. Tap YES when it asks to verify the
SAVE. You must tap NEXT to move on and save the
changes you have made. Tap SAVE again and follow the
prompts. Go to the end of the program and exit Config
Editor. The unit will restart with changes made.
Changing Non-Primary Gauge Title using User defined
Name i.e. “Coolant”
Once in the program EDM Config, tap NEXT to skip until
you see “EDIT GAUGES?” Follow prompts to select the
gauge you wish to modify. Tap MODIFY to begin the
process. Tap NEXT to move the box which highlights the
value to be changed. When arriving at the Title Box tap
MODIFY and you will see “Change Gauge Channel”. Tap
NO to go to “Edit the Gauge Title”. Tap YES to begin.
Follow the prompts changing each spot up to 8 characters
in length alphanumerically. Once the new Title has been
established Tap SAVE to set. Tap YES when it asks to
verify the SAVE. You must tap NEXT to move on and
save the changes you have made. Tap SAVE again and
follow the prompts. Go to the end of the program and exit
Config Editor. The unit will restart with changes made.

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Adding fuel tanks using EDIT CHANNELS?
Once in the program EDM Config, tap NEXT to skip until
you see “EDIT CHANNELS?” Tap YES which will bring
you to the EDM Probe and Sensor Channels page. Tap
STEP to scroll through the list of “White” (non-primary
gauges) that you can add. In this case Fuel Qty3 and Fuel
Qty4 depending on whether you have a single Aux tank or
two Aux tanks to add. Tap ENABLE to select the gauge.
Tap SAVE to set. Tap YES when it asks to verify Save
Channel Changes? Tap NEXT to go to the end of the
program and exit Config Editor. The unit will restart with
changes made. Install supplied fuel qty. conditioner boxes
and harnessing and calibrate the tanks just as the Main
tanks were calibrated. A red “X” will appear on the display
until the tanks are calibrated. Refer to the installation
manual for wiring instructions.
Removing fuel tank gauges from the display using
EDIT GAUGES
Once in the program EDM Config, tap NEXT to until you
see “EDIT GAUGE LAYOUT?” Follow prompts to scroll
through until you see “REMOVE FUEL LEVEL
GAUGES”. Tap REMOVE to begin the process. Tap
DONE to move to the next edit choice. Tap NEXT to go
to the end of the program and exit Config Editor. The unit
will restart with changes made.

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Adding Auxiliary fuel tanks
Once in the program EDM Config, tap NEXT until you see
“EDIT CHANNELS?” Tap YES which will bring you to
the “EDM Probe & Sensor Channels” page. Tap STEP to
move through the table and Tap ENABLE to open the
channel for the optional gauge. Once done choosing the
sensor channel Tap SAVE. Follow prompts to scroll
through until you see “END CONFIG EDITS”. Tap YES
to save. Insert a USB thumb drive to back up the
configuration or Tap Skip to restart the unit. Turn off the
unit and allow it to reboot which will enable the additional
tanks. Once again open EDM Config by hold both buttons
on start up. Once in the program EDM Config, tap NEXT
until you see “EDIT GAUGES?” Tap YES which will
highlight the first gauge for editing. Tap the NEXT button
until the “LEFT” fuel gauge has the red box around it. Tap
MODIFY. Tap NEXT to move through the table and
change values. Continue through until you get to the title
“LEFT”. Tap MODIFY and you will see “Change Gauge
Channel?” Tap YES. Tap NEXT to change the title to
“MAIN”. Tap SAVE to change the name. Follow the
prompts to change the “RIGHT” tank using the above
procedure.
Adding options to the EDM display
Once in the program EDM Config, tap NEXT until you see
“EDIT CHANNELS?” Tap YES which will bring you to
the “EDM Probe & Sensor Channels” page. Tap STEP to
move through the table and Tap ENABLE to open the

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channel for the optional gauge. Once done choosing the
sensor channel Tap SAVE. Follow prompts to scroll
through until you see “END CONFIG EDITS”. Tap YES
to save. Insert a USB thumb drive to back up the
configuration or Tap Skip to restart the unit. The new
option will display at the bottom with the other values that
are not displayed as dedicated gauges.
Changing Channels Monitored
Enter EDM Config Editor function.
When you see “EDIT CHANNELS?”, Tap YES to display
the EDM Probe & Sensor Channels screen.
Tap STEP to select the next channel to be enabled or
disabled. Hold the STEP key to select the previous
channel. Tap ENABLE to mark an “X” to enable the
selected channel on the EDM or DISABLE to remove an
“X” to disable the selected channel on the EDM. When all
desired changes have been made, tap SAVE to exit this
screen. If changes have been made on this screen, you will
be asked “Save Channel Changes?”Tap the appropriate
key (YES or NO).
Note: If the EDM is configured as a PRIMARY instrument,
data channels associated with PRIMARY gauges will be
displayed in RED and cannot be modified.