Garmin GFC 600 Pilot’s Guide
190-01488-00 Rev. B
30
AFCS
LEVEL MODE (LVL)
Level mode is a coupled pitch and roll mode and is annunciated as both the vertical
and lateral modes when active. Pressing the
LVL
key engages the autopilot (if the
autopilot is disengaged) in level vertical and lateral modes. Level mode does not track
altitude or heading but instead uses a vertical reference of zero feet per minute and a
lateral reference of zero bank angle. When the
LVL
key is pressed all armed and active
modes are cancelled and the AFCS reverts to LVL mode for pitch and roll. While in level
mode, all other modes are available by pressing the corresponding button.
NOTE:
The Level Mode may be helpful if the aircraft encounters strong
turbulence making it impractical to maintain normal references such as
Altitude Hold.
GMC 605 AND GI 285 ANNUNCIATIONS
The GMC 605 and GI 285 annunciate ‘LVL’ in both the vertical and lateral sections.
GMC 605 Annunciating Level Mode
GI 285 Annunciating Level Mode
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