Garmin G1000 Cockpit Reference Guide for the Columbia 350/400
SECTION 3 – ENGINE
INDICATION SYSTEM (EIS)
3-5
Engine Leaning for the Columbia 400
NOTE: The Columbia 400 Airplane Flight Manual
(AFM) supersedes information found in this
section.
Leaning for Best Power
1) Select the
SYSTEM
Softkey.
2) Select the
ASSIST
Softkey.
3) Lean the mixture to obtain peak temperature
on the TIT displays. See Figure 3-5. Refer to
the Columbia Airplane Flight Manual (AFM) for
more detailed procedures.
Figure 3-5 Engine Leaning Assist Display (Columbia 400)
Indicates Lean
or Rich From
Peak
TIT Delta Value
(Difference from Peak)
Indicates
Peak TIT
Temperature
4) Richen the mixture to obtain the desired delta
(∆) values as specified in the AFM.
Leaning for Best Economy
1) Select the
SYSTEM
Softkey.
2) Select the
ASSIST
Softkey.
3) Lean the mixture to obtain peak temperature
on the TIT displays. See Figure 3-5. Refer to
the Columbia Airplane Flight Manual (AFM) for
more detailed procedures.
4) Continue leaning the mixture until the desired
delta (
∆
) values are obtained as specified in the
AFM.
Selecting the ASSIST Softkey returns the MFD to the
EIS Display. Selecting the SYSTEM Softkey exits the Assist
Display and returns the MFD to default operation.