
Garmin G1000 Cockpit Reference Guide for Mooney M20M & M20R
20
SECTION 2 – PFD
Altimeter
The Altimeter displays barometric altitude values in
feet on a rolling number gauge using a moving tape. The
Altimeter displays the following information:
• Altitude values
• Altitude reference bug
• Altitude trend vector
• Altitude reference box
• Barometric setting box
• Altitude alerter
• Metric display
Altitude Reference
Box
Altitude Trend
Vector
Current Altitude
Barometric Setting
Box
Altitude Reference Bug
Figure 2-10 Altimeter
Altitude Values
The numeric labels and major tick marks are shown
at intervals of 100 feet. Minor tick marks are at intervals
of 20 feet. The current altitude is displayed in the black
pointer.
Altitude Reference Bug
The Altitude Reference Bug is displayed at the reference
altitude or the edge of the tape (whichever is closer to the
current altitude) to provide increased altitude awareness.
Altitude Trend Vector
The vertical, magenta line extends up or down the alti
-
tude scale located right of the numeric labels. The end of
the trend vector displays approximately what the altitude
will be in 6 seconds if the current rate of vertical speed is
maintained. The trend vector is absent if altitude remains
constant or if any data needed to calculate it is not avail-
able due to a system failure.
Altitude Reference Box
The Altitude Reference box displays the reference alti
-
tude in feet. The metric value, when selected, is displayed
on top the Altitude Reference box.
Barometric Setting Box
The Barometric Setting Box displays the barometric
pressure in inches of mercury (in Hg) or hectopascals
(hPa).
To select barometric pressure:
1. Turn the large BARO (outer) knob to select
the desired setting.
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