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
