# 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.
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