737 Flight Crew Operations Manual
Flight Instruments, Displays -
Head-Up Display System –
Controls
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10.17.10 D6-27370-866-EGP
• RO CTN (Rollout Guidance Caution) (amber) – loss of rollout guidance
below 500 feet AGL
• RO (Rollout Guidance) (green) – rollout guidance is active
• TO (Takeoff) (green) – not used, displayed only during maintenance test
• TO CTN (Takeoff Caution) (amber) – not used, displayed only during
maintenance test
• TO WARN (Takeoff Warning) (red) – not used, displayed only during
maintenance test.
2 HGS FAIL Light (red)
Illuminated (red) – indicates HGS failure below 500 ft AGL.
Push –
• extinguishes the HGS Fail Light
• will not illuminate again until failure is cleared and another failure
occurs
• resets system for another failure.
March 27, 2014