Honeywell SPZ-8000 - Flight Guidance Controller

SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
Automatic Flight Control System (AFCS)
6-2
FLIGHT GUIDANCE CONTROLLER
The flight guidance controller, shown in Figure 6--2, is used to engage
the system, select the operating modes, and select the EHSI and
DADC being used to interface with the flight guidance computer. The
function of each switch or control is described in the following
paragraphs.
AD--58103@
Flight Guidance Controller
Figure 6--2
D HDG (Heading) Button -- Pushing the HDG button engages the
lateral guidance to compute steering commands based on the
selected heading displayed on the active EHSI.
D ALT (Altitude) Button -- The ALT button selects vertical guidance
to hold a barometric altitude reference.
D VS (V ertical Speed) Button -- The VS button selects vertical
guidance to hold a vertical speed reference.
D FLC (Flight Level Change) Button -- The FLC button selects the
airspeed hold mode and overrides all active vertical modes,
except VNAV.
D VNAV (Vertical Navigation) Button -- The VNAV button selects the
vertical navigation mode and the AFCS tracks the vertical flight
profile of the FMS.
NOTE: For serial No. 5087 and later, LASERTRAK
r
can be
selected for display on the EHSI. When this is done, NAV
and VNAV cannot be selected.