Garmin HTAWS User Guide - Page 74

Part Six GTS 800 Interface TAS Symbol Traffic Type Description Other Traffic Symbol The hollow white (may be configured as cyan) diamond represents traffic detected within the selected display range that does not meet the criteria for a TA or a PA and does not pose an immediate collision threat. Proximity Advisory (PA) Proximity Advisories (PA) are displayed as solid white (may be configured as cyan) diamonds. PA's are defined as traffic within 6 NM, within 1200 feet of vertical separation, and are not a Traffic Advisory (TA) A Traffic Advisory (TA) is generated when the GTS 8XX predicts that an intruder aircraft Traffic may pose a collision threat. A solid yellow circle represents an intruder aircraft that meets Advisory (TA) the TA criteria as described in the TA Alerting Conditions section. A TA consists of the traffic symbol and an aural alert (e.g., "traffic, 12 o'clock, high, 3 miles"). Out-of- This solid yellow half circle appears (on the outer range ring) under the same conditions Range Traffic and has the same urgency as a TA. Its appearance differs from the TA only to signify that Advisory the intruder is outside of the current range of the Traffic page. TAS/TCAS Symbology Traffic Warning Window When the unit is not on the traffic page and a traffic threat is imminent, the Traffic Warning Window is displayed. The Warning Window shows a small map and can display the Traffic Page (if the user presses ENT) or return to the previous page (if the user presses CLR). NOTE: GTS 8XX series unit data is only displayed on the Map Page if suitable aircraft heading data is available. See the Garmin 400W or 500W Series Installation Manuals available at your authorized Garmin service center for details. Traffic Page Display Range You can change the display range on the Traffic Page at any time. 1. Press the RNG Key to cycle through the following range options: • GTS 800 - 2 NM, 2 and 6 NM, and 6 and 12 NM. Traffic Warning Window • GTS 820 and 850 - 2 NM, 6 NM, 12 NM, 24 NM, and 40 NM. NOTE: The Traffic Warning Window is disabled when the aircraft ground speed is less than 30 knots or when an approach is active, unless the unit is configured for helicopter operation as noted by the helicopter ownship icon. 68 190-00356-30 Rev H