J.P. Instruments EDM 900 Pilots Guide - Manual (Page 4)

Page 4 Engine Data Management
Section-1 Getting Started
This is a summary of basic operation. Detailed descriptions of all
operations appear later in this Pilot’s Guide.
EDM-900 primary instrument has preset alarm limits and
cautionary ranges per the POH (user cannot change them)
typically for the following measurements of: oil temperature, oil
pressure, fuel pressure, fuel quantity, cylinder head temperature,
turbine inlet temperature, manifold pressure, and RPM.
Note: Fuel quantity gauges must be calibrated to the aircraft and
will not be functional until the fuel calibration process has been
performed.
View Angle
The best view angle for the pilot is in the horizontal mode with the
buttons on the bottom. The best Portrait mode is with the buttons
on the right.
View angles are per the table below:
Horizontal Left 65 Degrees
Viewing Right 65 Degrees
angle Vertical Left 60 Degrees
Right 50 Degrees