Remote Autopilot Switches And Annunciators; Pitch Wheel And Turn Knob Controls; Ap Disconnect Switch; Tcs Button - Honeywell PRIMUS 1000 Pilot's Manual

Remote Autopilot Switches and Annunciators

Pitch Wheel and Turn Knob Controls -- Refer to the autopilot
D
controller section (page 6--6), for a description of the PITCH wheel
and TURN knob controls.
AP Disconnect Switch -- The AP disconnect switch is mounted on
D
the control wheel. When pushed, it disconnects the autopilot and
yaw damper.
TCS Button -- The TCS button is mounted on the control wheel.
D
When pushed, the pilot can change aircraft attitude, altitude,
airspeed, and/or vertical speed, without permanently disengaging
the autopilot.
GA (Go--Around) Button -- The go--around button is located on the
D
throttle. Under normal conditions, if the autopilot is engaged, it
remains engaged and the AFCS commands coupled go--around
minimum speed hold function for the command bars. If only the flight
director is available, a fixed pitch of 8°nose--up is commanded.

Autopilot Power--Up Test

When the autopilot is powered up, it performs a self--test on the servo
circuits, and the autopilot control and disconnect paths.

FGS Caution and Advisory Messages

The engine instrument and crew alerting system (EICAS) displays
messages that relate to the FGS. Table 6--2 contains the red warning
FGS messages that are shown on the EICAS. Table 6--3 contains all
the FGS amber caution messages.
Message
AUTOPILOT FAIL
PIT TRIM 1 INOP
PIT TRIM 2 INOP
Red (Warning) Flight Guidance System Messages
A28--1146--112--00
PRIMUSr1000 Integrated Avionics System
Description
Autopilot has disengaged and
indicates failed.
Main pitch trim is inoperative.
Backup pitch trim is inoperative.
Table 6--2
Flight Guidance System (FGS)
6-5