temperature relationship such that one cylinder will reach peak before
another.
Section 2 - Displays and Controls
The EDM-760/790 monitors engine temperatures and voltages, assists in
adjusting the fuel/air mixture, and helps diagnose engine malfunctions.
There are three components of the user interface:
Analog display including cylinder number and index dot
Digital display for numeric readouts and messages
Two front panel operating buttons.
Displays
Analog Display
The upper half of the face of the EDM-760 is the analog display.
I40 I I452
STEP LF
_
%
MAX
_
J
P
I
1 2 3 4 5 6 T
° F L R P
390 363
EGT
CHT
EDM-760
CHT shown
on calibrated
scale
EGT bargraph
range is
825°F (half
redline) to
1650°F
N or P
indicates
Normalize or
Percent view
TIT bargraph,
OIL as missing
segment
Dot indicates which
cylinder temperatures
are shown in the
digital display
Digital
temperature
in °F or °C
1 2 3 4 5 6 T
Exhaust Gas
Temperature
(EGT) is the top
of the column
Cylinder Head
Temperature
is shown as a
missing bar
300
400
500
CHT
The following is a description of the analog display, from top to bottom.
Numbers in circles refer to features in the above diagram.
Page 6 Engine Data Management
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