fgdata/Aircraft/Instruments-3d/FG1000/GFC700-AP-off-FSM.xml

<PropertyList>
<!-- GFC 700 Autopilot Finite State Machine for switching OFF the AP.

This is rather odd.  This handles switching on/off the autopilot, which reverts
to Flight Director mode, by simply setting the passive-mode flag.

-->
<branch>/autopilot/GFC700/FSM/AP-off</branch>

<state>
  <name>OFF</name>
  <enter>
    <!-- Reset button to avoid triggering next transition immediately -->
    <command>property-assign</command>
    <property>/autopilot/AP-mode-button</property>
    <value></value>
  </enter>
  <enter>
    <command>property-assign</command>
    <property>/autopilot/locks/passive-mode</property>
    <value>1</value>
  </enter>
</state>

<state>
  <name>ON</name>
  <enter>
    <!-- Reset button to avoid triggering next transition immediately -->
    <command>property-assign</command>
    <property>/autopilot/AP-mode-button</property>
    <value></value>
  </enter>
  <enter>
    <command>property-assign</command>
    <property>/autopilot/locks/passive-mode</property>
    <value>0</value>
  </enter>
</state>

<transition>
  <name>OFF-ON</name>
  <source>OFF</source>
  <target>ON</target>
  <exclude-target>true</exclude-target>
  <condition>
    <equals><property>/autopilot/AP-mode-button</property><value>AP</value></equals>
  </condition>
</transition>

<transition>
  <name>ON-OFF</name>
  <source>ON</source>
  <target>OFF</target>
  <exclude-target>false</exclude-target>
  <condition>
    <equals><property>/autopilot/AP-mode-button</property><value>AP</value></equals>
  </condition>
</transition>

<!-- Changing to GA mode automatically disables the autopilot -->
<transition>
  <name>ON-OFF</name>
  <source>ON</source>
  <target>OFF</target>
  <exclude-target>false</exclude-target>
  <condition>
    <equals><property>/autopilot/AP-mode-button</property><value>GA</value></equals>
  </condition>
</transition>

</PropertyList>