
Garmin G1000 Cockpit Reference Guide for Mooney M20M & M20R
6
SECTION 1 – INTRODUCTION
1.4 INITIAL OPERATIONS
The pilot may wish to change the active pilot profile
(see the System Setup Section of the MFD Pilot’s Guide
for details).
When the Power-Up Page list has been reviewed for
currency (to ensure that no databases have expired), the
pilot is prompted to continue. The current database in
-
formation (which is loaded in the system) is displayed
(valid operating dates, cycle number and database type
indicated).
Press the
ENT key (or the right most softkey) to
acknowledge the list information and proceed to the Navi
-
gation Map Page. When the system has acquired a suf-
ficient number of satellites to determine a position, the
aircraft symbol appears showing your present position.
1.5 BACKLIGHTING
The G1000 PFD and MFD displays use photocell tech-
nology to automatically adjust for ambient lighting con-
ditions. Photocell calibration curves are pre-configured
to optimize display appearance through a broad range of
cockpit lighting conditions. PFD, MFD, and GMA 1347
bezel/key lighting is normally controlled directly by the
existing instrument panel dimmer bus.
If desired, the PFD and MFD display backlights
may be adjusted manually. PFD, MFD, and GMA 1347
bezel/key brightness can also be adjusted manually as
well. GMA 1347 bezel/key brightness is directly tied to
the MFD bezel/key adjustment. Section 2 provides in-
structions on how to manually adjust the backlighting.
1.6 REVERSIONARY MODE
In normal operating mode, the PFD displays graphical
flight instrumentation in place of traditional gyro instru-
ments. Attitude, heading, airspeed, altitude, and vertical
speed are all shown on one display. The MFD shows a
full-color moving map with navigation information. Both
displays offer control over COM and NAV frequency selec-
tors, as well as heading, course/baro and altitude reference
functions. On the left of the MFD display, an Engine Indi-
cation System (EIS) cluster shows graphical depictions of
engine and airframe instrumentation. Figure 1-3 gives an
example of the G1000 system in normal mode.
Should a failure occur in either display, the G1000 au
-
tomatically enters reversionary mode. Figure 1-4 shows
an example where the PFD fails. In reversionary mode,
critical flight instrumentation is combined with engine in-
strumentation on the remaining display. Minimal naviga-
tion capability is also available on the reversionary mode
display.
Reversionary display mode can also be manually
activated by the pilot, if the system fails to detect a
display problem. The reversionary mode is activated
manually by pressing the large red button on the bottom
of the GMA 1347. Pressing the red reversionary mode
button again deactivates reversionary mode.
NOTE: The system alerts the pilot when backup
paths are utilized by LRUs. Refer to the Annun-
ciations & Alerts Pilot’s Guide for further informa-
tion regarding these and other system alerts.
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