2.1.1 Enhanced Ground Proximity Warning Computer (EGPWC) ................................................................. 10
2.2 OPERATION ............................................................................................................................................................ 10
2.2.1 Mode 1 - Excessive Descent Rate......................................................................................................... 10
2.2.2 Mode 2A/2B - Terrain Closure Rate....................................................................................................... 10
2.2.3 Mode 3 - Descent After Takeoff............................................................................................................. 10
2.2.4 Mode 4A/4B/4C - unsafe Terrain Clearance.......................................................................................... 10
2.2.5 Mode 5 - Descent Below Glideslope...................................................................................................... 11
2.2.6 Mode 6 - Advisory Callouts (Optional) ................................................................................................... 11
2.2.7 Mode 7 - Windshear Detection (Optional for MK V/vii only)................................................................... 12
2.2.8 Envelope modulation (not available in mk vi/viii -001) ........................................................................... 12
2.2.9 Terrain Clearance Floor and Runway Field Clearance Floor ................................................................ 13
2.2.10 Terrain Alerting and Display (optional)................................................................................................... 13
2.2.11 Peaks Display Mode (optional) .............................................................................................................. 14
2.2.12 Geometric Altitude (GPS Required for mk v & MK vii)...........................................................................15
2.2.13 Weather Radar AutoTilt (MK V and MK Vii only) ................................................................................... 15
2.2.14 System display and annunciation .......................................................................................................... 15
2.3 SYSTEM MAINTENANCE ............................................................................................................................................ 17
2.3.1 maintenance philosophy ........................................................................................................................ 17
2.3.2 System OPERATION DURING an inop condition ................................................................................. 17
2.3.3 BIT Description ...................................................................................................................................... 17 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：增强型近地警告系统 Enhanced Ground Proximity Warning 航线维护手册 Systems Line Maintenance Manual(2)
