Table 2-5. CPG Caution/Warning Light Segments continued

Table 2-5. CPG Caution/Warning Light Segments continued - TM-1-1520-238-10_131

Section XV. SERVICING, PARKING, AND MOORING

TM-1-1520-238-10 Helicopter Attack AH-64A Apache Manual
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TM 1-1520-238-10 Change 2 2-85 Table 2-5. CPG Caution/Warning Light Segments – continued Word Segment Illumination Parameter or Fault Color FUEL XFER AMBER TRANS switch is in the TO FWD or TO AFT position and fuel transfer is not occurring. FUEL XFR Modified C/W panel GREEN TRANS selected, transfer is occurring. FUEL XFR Modified C/W panel AMBER TRANS selected, transfer is not occurring. X FEED Modified C/W panel GREEN CROSSFEED selected, fuel valves are correctly positioned. X FEED Modified C/W panel AMBER CROSSFEED selected, fuel valves are incorrectly positioned. ADS AMBER Failed system. 2.53 HEADSET AUDIO WARNING SYSTEM. In addition to the visual cues to help crewmembers identi- fy faults, audio signals are provided as an aid in rapid rec- ognition of critical conditions. These audio signals are de- scribed in table 2-6. Table 2-6. Audio Warning Signals Tone Signal Rising frequency ENGINE OUT Rising frequency ROTOR RPM LOW Steady tone STAB FAIL Steady, amplitude modulated IFF Falling frequency MISSILE ALERT Dependent on threat radar RADAR WARNING ALERT Intermittent RADIO IN SECURE MODE

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