Fuel flow computer basics, Control button basics, Display screen basics – J.P. Instruments EDM 960 Twin Pilots Guide User Manual

Page 7

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For Your Safe Flight

Page 2

STEP

LF

DIM

(3

rd

)

ALL

/EGT

(1

st

)

(2

nd

)

(4

th

)

Fuel Flow Computer Basics

The fuel flow computer tracks the fuel flowing to the engine and
computes various values based on this. At installation, then each time
you refuel the aircraft, you must inform the EDM about how much
useable fuel is onboard. This is done via the REFUEL function. There
are three ‘Quickset’ ways to do this:

1. Main 74.0 GAL: MAIN tanks are filled (no other fuel onboard).

2. Main + Aux 94.0 GAL: MAIN +AUX tanks are filled.

3. Adjust? 0.0 GAL: Partial fuel added to existing quantity.

See page 28 for expanded information on the refueling process.

Control Button Basics

Four operating buttons control all functions of the EDM. These buttons
change labels depending on the current state of the EDM..

The term tap is used to denote pressing a button momentarily. The term
hold is used to denote pressing and holding a button for five seconds or
longer.

Display Screen Basics

The display screen is arranged into three sections. The top left is the
RPM and MAP section. The bottom left is the Scanner® section. And the
right side is the Linear Bar Graphs section. The instrument ranges and
alarm limits are configured to match those of your aircraft when the
EDM is set up as a Primary instrument.

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