Embraer EMB145, Operation Manual

Page: 2484 / 2662

NAVIGATION AND
COMMUNICATION
AIRPLANE
OPERATIONS
MANUAL
2-18-30
Page
22
Code
02
MARCH 30, 2001
COMPARISON MONITORS
1 - ATTITUDE COMPARISON MONITOR DISPLAY
−
Label: ROL, PIT or ATT.
−
Color: Amber.
−
If roll information deviates by more than 6 degrees between the
PFD 1 and PFD 2, a ROL comparison monitor will be displayed
inside the attitude sphere.
−
If pitch information deviates by more than 5 degrees between
the PFD 1 and PFD 2, a PIT comparison monitor will be
displayed in the upper-left portion of the attitude sphere.
Simultaneous activation of the both pitch and roll comparison
monitors will be announced by an ATT label displayed in the
upper-left portion of the attitude sphere, in the same field of the
ROL and PIT comparison monitors.
2 - ATTITUDE FAILURE DISPLAY
−
Removal of the pitch scale and roll pointer.
−
Coloring the attitude sphere overall blue.
−
A red ATT FAIL label is displayed on the top center of the
attitude sphere.
3 - ATTITUDE SOURCE ANNUNCIATION
−
Label: ATT1 for IRS 1 and ATT2 for IRS 2.
−
Color: Amber when one AHRS supplies both sides or both IRS
are supplying cross-side.
−
Annunciations are removed when both IRS are supplying on-
side PFDs.
4 - HEADING SOURCE ANNUNCIATION
−
Label:
−
MAG1 or MAG2 when cross-side IRS source is selected.
−
Color:
– For MAG: amber when the same IRS is supplying both sides
or both IRS are supplying cross-side.
−
When both IRS are supplying on-side, annunciation is removed.
−
If a heading source becomes invalid the heading source
annunciation will refer to the invalid heading source, HDG1 or
HDG2, as applicable.