AOA Invalid angle-of-attack input - amber.
APP, HDG SEL Typical FMS lateral submodes; indicated in magenta near center-left of
display.
MAX (MIN) SPD Maximum (Minimum) speed has been reached. Indicated to the left side of
the attitude sphere.
CRS (DTRK)
XXX (digits)
FMS course selected (desired track) digital display. Color depends upon
FMS/NAV pilot/copilot selections.
WIND SHEAR Annunciation of WINDSHEAR mode; caution - amber, warning - red. In
boxed annunciator at upper right side of attitude sphere.
GND PROX Ground proximity warning system mode annunciator; caution - amber.
MSG FMS message flag (amber). Appears in order to indicate message is present
on the FMS control display unit (CDU).
BELOW GLIDE Amber message in box in upper right side of attitude sphere.
VNV VNAV source annunciation. FMS (white); VNV (white). Annunciation located
above vertical deviation scale.
Cessna Citation XLS - Instrumentation & Avionics