Garmin GTN 750 Pilot's Guide - Page 243

11.3.8.5 Inhibiting/Enabling TAWS Alerting TAWS also has an inhibit mode that deactivates the PDA/FLTA aural and visual alerts. Pilots should use discretion when inhibiting TAWS and always remember to enable the system when appropriate. Only the PDA and FLTA alerts are disabled in the inhibit mode. After cycling power, TAWS will no longer be inhibited. Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Terrain (TAWS) Inhibited Annunciation Touch To Toggle TAWS Inhibit. TAWS Inhibited shown. Figure 11-14 TAWS Alerting Disabled (TAWS Inhibited) Annunciation 1. While viewing the Terrain page, touch the Menu key. FPL Direct-To Proc Charts Wpt Info Map 2. Touch the TAWS Inhibit key to inhibit or enable TAWS (choice dependent on current state). A green bar in the key indicates Traffic the TAWS is inhibited. Terrain 11.3.8.7 Negative Climb Rate After Take-Off Alert (NCR) The Negative Climb Rate (NCR) After Take-Off alert (also referred to as Weather "Altitude Loss After Take-Off") provides alerts when the system determines the Nearest aircraft is losing altitude (closing upon terrain) after takeoff. The aural message "Don't Sink" is given for NCR alerts, accompanied by an annunciation and a Music pop-up terrain alert on the display. NCR alerting is only active when departing from an airport and when the following conditions are met: Utilities • Height above the terrain is less than 700 feet System • Distance from the departure airport is 2 NM or less • Heading change from the departure heading is less than 110º Messages The NCR alerting parameters as defined by TSO-C151b are shown below. Symbols Appendix 190-01007-03 Rev. B Garmin GTN 725/750 Pilot's Guide 11-17 Index