LG WRN INHIB and ADS Probes Heater

LANDING GEAR WARNING INHIBITION BUTTON (GUARDED-MOMENTARY ACTION)

• Inhibits the landing gear aural warning in the event of dual radio altimeter failure only if the SLAT/FLAP lever is in the 0, 1, 2, 3 or 4 position.

• White striped bar when pushed will extinguish if:

  • Thrust levers are advanced beyond a pre-determined mid-range position.

  • Flap selector lever is set to 5 or full without any landing gear down and locked.

LANDING GEAR AURAL WARNING

• “LANDING GEAR” aural warning cannot be silenced in the following situations:

  • SLAT/FLAP lever in a landing position (5 or FULL)

    • Regardless of thrust lever position and radio altitude.

  • SLAT/FLAP lever in 0 to 4 position

    • Radio altitude below 700ft AGL, and

    • Thrust lever is set below a pre-determined mid-range position.

ADS PROBES HEATER BUTTON

• PUSH IN: activates the ADS probes heater.

• PUSH OUT: the ADS probes heater operates in AUTO mode.