Embraer EMB145 - Page 2648

AUTOPILOT
AIRPLANE
OPERATIONS
MANUAL
2-19-15
Page
10
Code
01
REVISION 36
AOM-145/1114
DISPLAY CONTROLLER (DC-550)
1 - NAVIGATION SOURCES SELECTOR BUTTON
 Provides the selection of the VHF NAV (VOR, ILS and MLS) as
navigation source for the EHSI. If the VHF NAV is already
selected, pressing the NAV Button selects the opposite VHF
NAV as navigation source for the on-side EHSI. Pressing the
NAV Button once again will restore the normal operation: VHF
NAV 1 information presented on the PFD 1 and VHF NAV 2
information presented on the PFD 2.
2 - FMS SOURCE SELECTOR BUTTON (OPTIONAL)
 Provides the selection of the FMS as navigation source for the
EHSI.
 On airplanes equipped with dual FMS, pressing the FMS Button
for the second time selects the opposite FMS as navigation
source for the on-side EHSI (and for the on-side MFD MAP).
Pressing the FMS Button once again will restore the normal
operation: FMS 1 information presented on the PFD 1 (and
MFD 1) and FMS 2 information presented on the PFD 2 (and
MFD 2).
3 - BEARING SELECTOR KNOB
OFF: The associated PFD bearing pointers are disabled.
NAV 1 (2): Selects the respective VHF NAV as source for the
associated bearing pointer.
ADF: Selects the respective ADF as source for the associated
bearing pointer.
FMS: Selects the FMS as source for the associated bearing
pointer.