Roll Engagement - Garmin GI 275 Pilot's Manual

Autopilot
As the aircraft deviates further from the normal attitude and/or airspeed, the force increases
proportionally (up to an established maximum) to encourage control movement in the
direction necessary to return to the normal attitude and/or airspeed range.
When ESP has been engaged for more than 10 seconds (cumulative; not necessarily
consecutive seconds) of a 20-second interval, the autopilot can be configured to engage with
the flight director in Level Mode, bringing the aircraft into level flight. An aural "Engaging
Autopilot" alert is played and the flight director mode annunciation will indicate 'LVL' for
vertical and lateral modes.
Level mode as activated by ESP is limited by altitude. ESP will not be able to activate Level
mode until the aircraft climbs above 2000 feet AGL. ESP will be locked out of automatically
activating Level mode after the aircraft descends below 1500 feet AGL as well. Also note that
Level mode as activated by ESP is different than manually selected Level mode. Manually
selected Level mode is not limited by altitude at all.
NOTE: If AGL height data is unavailable automatic engagement of Level mode is not
supported.
ESP is enabled or disabled from the ADI Page Menu.
Enabling/Disabling ESP using the GI 275 Menu:
1) From the ADI Page, press and hold the Selection Knob, or swipe up on the screen, to
display the Menu.
2) Rotate the knob or swipe across the menu items to select ESP
3) Press the knob or touch the ESP menu button to enable or disable ESP.

ROLL ENGAGEMENT

Roll Limit Indicators displayed on the roll scale are configurable between 45º and 60º right
and left, indicating where ESP will engage. As roll attitude exceeds the configured limit,
ESP will engage and the Roll Limit Indicators will move to 15º less than the configured ESP
bank limit. The Roll Limit Indicator now indicates where ESP will disengage as roll attitude
decreases.
Once engaged, the torque applied by ESP is at its maximum when bank angle is 15º more
than the configured bank limit, and tapers to the minimum applied torque when the bank
angle is 15º less than the configured bank limit. The force increases as roll attitude increases
and decreases as roll attitude decreases. The applied force is intended to encourage pilot input
to return the airplane to a more normal roll attitude. When beyond 15º of the configured bank
limit, the maximum torque is held until the aircraft returns inside the protected envelope.
226
Garmin GI 275 Pilot's Guide 190-02246-01 Rev. L