J.P. Instruments EDM 900 Pilots Guide - Manual (Page 13)

For Your Safe Flight Page 13
Cruise
After the engine is warmed up, use LeanFind to lean the
mixture.
Suggested setup:

Normalize view

Automatic mode
Be alert for:

Uneven EGTs (injected engines). Make fine
adjustments to throttle, then RPM, then mixture to
level the display columns.

Abnormal patterns of EGTs and CHT. (see Engine
Diagnosis Chart on page 15).
Descent
Suggested setup:

Standard view

Manual mode
Be alert for:

CLD: shock cooling alarm is set to -60°F. Average
cool rates of -40°F/minute to -50°F/minute are normal,
depending on the engine size.