TIS Sensor Status
600-00151-001 Rev 01 -51- Envision EX5000
3) Relative altitude, for example, -200 would be 200 feet below. For
example, -200 would be 200 feet below your aircraft, as reported
by the traffic sensor.
Intruders are displayed as they are received from and identified by
the sensor. The threat level assigned to an intruder is specified by the
sensor when it transmits the intruder data. Threat data, range,
bearing, altitude, ID and closing direction are defined by the sensor
and the type of sensor used in your system.
If the intruder altitude and vertical speed are known, they are
displayed alongside the intruder symbol. The number immediately
above or below the traffic symbol indicates the relative altitude of the
intruder to your position, in hundreds of feet. An arrow next to an
intruder symbol shows the direction of any vertical movement of the
intruder that is in excess of 400 feet per minute.
For example, in the Traffic Alert example shown in Table 4.1, the
intruder is 500 feet below and is climbing. In addition, this example
with an intruder track shows the intruder is moving along a track
approximately 45 degrees to the right of our current map alignment.
(i.e. if the EX5000 map is set for North Up, the intruder is flying a track
somewhere between 023 and 067. This is the accuracy limit of the
intruder track data.)
4.3 TIS Sensor Status
For TIS installations, the following may be reported in the Traffic
status block on the EX5000 Map page:
l OPER—The TIS sensor is operating normally.
l CST 00:00—The TIS sensor has temporarily lost the information
feed from ground-based radar and is in “coast” mode. The
EX5000 will continue to display the traffic last received, while the
CST timer will count the seconds since the last valid data.
l RMV 00:00—After 12 seconds of coasting, the TIS sensor will
remove the traffic display and display RMV, and continue to count
the time since the last valid data.
l UNAVAIL—More than 60 seconds have passed since valid data
was received, or TIS data is not available at the current aircraft
location.
l SBY—The TIS sensor is in standby mode.
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