GFC 600 AFCS Part 23 AML STC Maintenance Manual Page 12
190-01938-00 Revision 13
3.6 Low Bank Switch
A LOW BANK switch is provided in some airframes for engagement of the low bank mode.
When low bank mode is engaged, the autopilot utilizes a lower bank angle limit. Refer to the
GFC 600 Equipment List to determine if LOW BANK is supported in the specific model. Refer
to the appropriate model-specific installation manual addendum (190-01937-XX) for switch
installation location.
3.7 Roll Trim Switch
In certain airframes, the GFC 600 is interfaced to an existing electric Roll Trim system. In this
case, the existing Roll Trim switch is retained to command manual electric roll trim. If the
autopilot is engaged and the Roll Trim Switch is actuated, the autopilot will disengage.
3.8 Yaw Trim Switch
In certain airframes, the GFC 600 is interfaced to an existing Yaw Trim system. In this case, the
existing Yaw Trim switch is retained to command manual electric Yaw Trim.
In other airframes, the GFC 600 may include a yaw trim servo. In this case, a Yaw Trim switch
is provided to command manual electric Yaw Trim.
In both cases, if the autopilot is engaged and the Yaw Trim switch is actuated, the autopilot will
disengage.
3.9 Rudder Bias Switch
In certain airframes, the GFC 600 is interfaced to a RUDDER BIAS switch. The Rudder Bias
and related ESP functions are armed when the switch is in the RUDDER BIAS position and
disabled when the switch is in the OFF position. Refer to the GFC 600 Equipment List (005-
01009-05) to determine if Rudder Bias is supported for the specific model. Refer to the
appropriate model-specific installation manual addendum (190-01937-XX) for switch installation
location.
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