Dynon Avionics EMS-D120 Pilots Users Guide - Manual (Page 9)

EMS-D120 Pilot’s User Guide 2-1
2. PRODUCT OVERVIEW
This EMS-D120 monitors your engine and other vital aircraft systems and displays information in an easy-to-read
format. This section provides a general overview of the various parts of the EMS-D120 as well as a theory of operation.
The information in this section serves as a reference only and helps familiarize you with the inner workings of the unit. It
should not be used for diagnostic or reparative work.
EMS-D120 Hardware
The EMS-D120’s versatile design accommodates a wide range of engines and sensors. You may configure the system to
meet your monitoring requirements covering both air- and water-cooled engines with up to six cylinders. Its warning
capabilities provide early notification of problems that might otherwise go unnoticed.
POWER
The EMS-D120 requires between 10 and 30 volts DC for operation. It is acceptable to have the EMS-D120 turned on
during engine start.
SENSORS AND INPUTS
When connected to the appropriate sensors, the EMS-D120 displays RPM, manifold pressure, oil temperature and
pressure, exhaust gas temperature (EGT), cylinder head temperature (CHT), fuel levels for up to 4 tanks, voltage,
current, fuel pressure, fuel flow, carburetor air temperature, coolant pressure and temperature, outside air temperature,
flaps, trim, and the status of up to two external contacts. Fuel endurance and economy information can be obtained when
a compatible GPS unit is connected to your system.