Operation and abbreviations – J.P. Instruments EDM 930 Primary Primary Installation Manual User Manual
Page 4

FAA Approved Installation Manual for the
Report No 908
EDM-900 and EDM-930
Page 4 of 50 Rev J
Primary Engine Data Management System Date 5-24-14
5. Operation and Abbreviations
The EDM-900/930 is a combined electronic indicating system which simultaneously displays to the pilot powerplant
and aircraft systems operating parameters. It includes the following indicating systems; replacing all previous
primary digital and/or analog instruments: Message Area Abbreviation in parenthesis. (X)* denotes cylinder No.
Gauge Function
Message Area
Alarm Abbreviation
Primary Primary
Engine rotational speed
RPM xxxx
Engine Manifold Pressure
MAP xx.x in hg
Engine Cylinder Head Temp
CHT2 xxx
o
F
Engine Oil Temperature O-T xxx
o
F
Engine Oil Pressure
O-P xxx
o
F
Fuel Pressure
F-P xx PSI
Fuel Flow to engine
F-F xx.x GPH
Comp. Discharge Temp.
CDT xxx
o
F
Turbine inlet Temp. Left side
TIT-L xxxx
o
F
Turbine Inlet Temp. Right side
TIT-R xxxx
o
F
Single Turbine Inlet Temp.
TIT xxxx
o
F
Non-Primary Non-Primary
Exhaust Gas Temp.
EGT2 xxxx
o
F
Shock Cooling of CHT
CLD xx
o
/MIN
Differential Temp. of EGT
DIF xx
o
F
Bus Voltage
Volts xx.x
Amperage Load
AMPS xx
Outside Air Temp.
OAT xx
o
F
Estimated Time to Empty
Est. T to E xx:xx H:M
Fuel used to date
USED xx.x GAL
Estimated Remaining fuel
Est. REM xx GAL
Estimated Fuel required to Waypoint
Est. WP REQ xx GAL
Estimated Fuel Remaining at Waypoint
Est. WP RES xx GAL
Nautical Miles per Gallon
ECON xx.x MPG
Brightness, Dim control
DIM/BRT