Changing Barometric Setting; Minimum Descent Altitude/Decision Height Alerting - Garmin G500 Pilot's Manual

2.4.3

Changing Barometric Setting

The Barometric Setting affects the altitude values shown on the PFD.
Barometric pressure units may be displayed as either inches (in) or hectopascals
(hpa). See System Display Units in Section 3 for more detail.
1) Press the BARO key to activate Baro mode.
2) Turn the PFD knob to increase or decrease the altimeter setting. OR
3) Press the PFD knob while in Baro mode to toggle between Standard Pressure
(29.92 in) and the currently selected barometric setting.
2.4.4 Minimum Descent Altitude/Decision Height
Alerting
For altitude awareness, a Minimum Descent Altitude (MDA) or Decision
Height (DH) alert can be displayed on the PFD. The values are set in the Active
Flight Plan page or from the Charts page menu. When active, the minimum
descent altitude setting is displayed in the minimums window at the bottom left
of the Altitude Tape when you are within 2500 feet of the selected minimum
altitude.
The Altitude Minimums Alerting Bug appears parked at the bottom
NOTE:
of the altitude tape as soon as a value is set in the minimums alerter. The
bug will unpark and start to move up the tape as soon as the altitude is
within the range of the tape. The bug is reset when power is cycled.
The following visual annunciations occur when approaching the MDA/DH:
• When the aircraft altitude descends to within 2500 feet of the selected
altitude setting, the Minimums box appears with the altitude value in cyan
text.
• When the aircraft is within 100 feet of the selected altitude setting, the bug
and text turn white.
• Once the aircraft reaches the selected altitude minimums setting, the bug and
the altitude text turn yellow and the aural alert "Minimums, minimums," is
heard one time. The text remains in yellow until the aircraft altitude is more
than 50 feet above the set altitude minimum value.
190-01102-02 Rev. E
PFD Knob Selected
Baro Setting
Figure 2-22 Barometric Setting
Garmin G500 Pilot's Guide
Baro Setting shown
in Altimeter window
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