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PROFILE DISPLAY
By presenting traffic data in profile, emphasizing altitude
separation, the complexity of traffic alert is greatly
simplified. Any traffic not close in altitude can be
disregarded, and multiple threats can be simply recognized
and resolved (see Multiple Threats, Section IV).
DUAL DISPLAY OPERATION
If a second display is installed, common functions such as
altimeter setting and mode selection can be made from one
display and will be communicated to the other display.
TCAD will operate in only one common mode (i.e. TRML,
STD, or ENRT). Independent functions such as DATA &
MSL altitude and second threats can be accessed
independently.
ALERT TONES
TCAD is designed to keep the number of audible alerts to a
minimum. An alert tone is issued only once for traffic
outside the Imminent Alert airspace (see Section IV). This
means traffic that momentarily goes beyond the shield limits
and then returns will not cause additional warnings.
BEARING (Model 9900B)
The TCAD bearing indicator is designed to give the pilot a
general direction to look for the traffic. Antenna placement,
shadowing and rate of angular change can cause slight
discrepancies between the observed angle and the angle
measured by TCAD.
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