Embraer EMB145 Operation Manual page 1696

6 - INTRUDER'S ALTITUDE
− Indicated by a solid two-digit number below or above the
intruder's symbol.
− Color: Same as of the associated symbol.
− Normal presentation is relative altitude, which displays the
intruder's relative altitude in hundreds of feet. A plus or minus
signal indicates if the intruder is above (+) or below (–) the
airplane.
− Two question marks ("??") are displayed if the intruder's relative
altitude is greater than 9900 ft, below or above.
− If intruder is below the airplane, intruder's altitude is displayed
below its symbol.
− If intruder is above the airplane, intruder's altitude is displayed
above its symbol.
7 - RESOLUTION ADVISORY INDICATION
− Indicated by a solid red square.
8 - TRAFFIC ADVISORY INDICATION
− Indicated by a solid amber circle.
9 - OTHER TRANSPONDER REPLYING TRAFFIC INDICATION
− Indicated by a hollow cyan diamond.
− Indicates other airplanes equipped with transponder within the
specified range and 2700 ft of vertical separation.
− Not displayed if a TA or RA is in process.
10 - OUT OF RANGE INTRUDER
− Indicates detected intruders that are out of display range.
− Indicated as half the associated symbol.
11 - INTRUDER'S ALTITUDE MODE INDICATION
− Indicates whether the selected intruder's altitude is relative or
flight level.
REVISION 36
AIRPLANE
OPERATIONS
MANUAL
CREW
AWARENESS
Page
2-04-40 17
Code
01