1-2 System Overview
DFC90 Digital Autopilot | PILOT GUIDE
TABLE OF CONTENTS
1 System Overview ..............................................................1-2
FUNCTIONAL OVERVIEW ..........................................................1-3
GENERAL AUTOPILOT OPERATIONS .......................................1-4
Always a vertical and lateral mode engaged ......................................... 1-4
Single press to hold, Dual button press to capture ................................ 1-4
Primary location for bug/target setting ................................................... 1-5
Aural Alerts ........................................................................................... 1-5
Armed vs Engaged modes indications .................................................. 1-6
Mode transition indication ..................................................................... 1-7
Manual Electric Trim impact .................................................................. 1-7
Envelope Protection .............................................................................. 1-8
Full-Time Envelope Alerting ................................................................ 1-10
Baro Adjust ......................................................................................... 1-13
Engagement and Hold limits ............................................................... 1-14
Comparators ....................................................................................... 1-15
Autopilot Engagement ......................................................................... 1-16
Autopilot Disengagement .................................................................... 1-16
FD vs. AP ........................................................................................... 1-17
Dual PFD Operations .......................................................................... 1-18
PFD Annunciations ............................................................................. 1-19
2 Normal Startup Sequence ................................................2-2
POWER CONSIDERATIONS .......................................................2-2
SELF-TEST/ALIGNMENT ............................................................2-2
BRIGHTNESS CONTROLS .........................................................2-2
PRE-FLIGHT TEST ......................................................................2-3
BEFORE TAKEOFF TECHNIQUES .............................................2-4
3 Climb-out/Enroute .............................................................3-2
NORMAL OPERATING MODES ..................................................3-2
Pitch Mode ............................................................................................ 3-2
Roll Mode ............................................................................................. 3-2
Heading (HDG) Mode ........................................................................... 3-3
Navigation (NAV) Mode ........................................................................ 3-3
GPS Roll Steering (GPSS) Mode .......................................................... 3-4
Altitude Hold (ALT) Mode ...................................................................... 3-5
Indicated Airspeed (IAS) Hold Mode ..................................................... 3-5
Vertical Speed (VS) Hold Mode ............................................................ 3-6
Altitude Capture Mode .......................................................................... 3-6
Straight and Level ................................................................................. 3-9
Pilot Selectable Intercepts ................................................................... 3-10
Control Wheel Steering Mode ............................................................. 3-12
4 Approach Procedures ......................................................4-2
GENERAL BEHAVIOR .................................................................4-2
APPROACH MODES ...................................................................4-2
WAAS Approaches ............................................................................... 4-2
Non-WAAS GPS approach (RNAV or Overlay or LNAV) ....................... 4-5
VOR approach ...................................................................................... 4-5
Localizer approach ................................................................................ 4-6
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