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If the Selected Altitude is reached during CWS
maneuvering, the Altitude Reference is not changed.
To adjust the Altitude Reference in this case, the CWS
Button must be pressed again after the Selected Altitude
is reached.
Command Bars Hold
Pitch Attitude to
Maintain Altitude
Reference
Vertical Speed Mode (VS)
In Vertical Speed Mode, the flight director acquires
and maintains a Vertical Speed Reference. Current aircraft
vertical speed (to the nearest 100 fpm) becomes the
Vertical Speed Reference at the moment of Vertical Speed
Mode activation. Vertical Speed Mode does not consider
the relative position of the Selected Altitude in relation to
the current aircraft altitude at the time of mode activation,
so it is possible to use Vertical Speed Mode while not
climbing/descending to the Selected Altitude.
190-00567-01 Rev. A
Altitude Hold
Mode Active
Figure 6-7 Altitude Hold Mode
Garmin G1000 Cockpit Reference Guide for the Columbia 350/400
Flight Director
Altitude Reference
Vertical Speed Mode is activated by pressing the VS
Key; the 'VS' annunciation appears in the AFCS Status Box
to indicate the active pitch mode, along with the Vertical
Speed Reference to the right. The Vertical Speed Reference
is also displayed above the Vertical Speed Indicator. A
Vertical Speed Reference Bug corresponding to the Vertical
Speed Reference is shown on the indicator.
SECTION 6 – AUTOMATIC
FLIGHT CONTROL
Selected Altitude
Selected Altitude
Bug
6-7
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