Side Stick Priority Lights
Arrow Light - Illuminates RED in front of pilot losing authority.
Extinguishes when sidestick activation is reestablished by:

• If the other takeover pushbutton is released prior priority condition is latched, or.
• If he has used his takeover pushbutton to cancel a latched priority situation.

CAPT or F/O Light - Illuminates GREEN to indicate associated Sidestick has established priority by activation of its priority switch and the opposite Sidestick is not in neutral.
Extinguishes when the opposite is returned to neutral.

Master CAUT Light
Illuminate AMBER for level 2 cautions. Accompanied by a single chime.
The lights extinguish when:

• Either MASTER CAUT light is pushed.
• The Caution no longer exists.
• The CLR key on the ECAM Control Panel is pushed.
• The EMER CANC key on the ECAM Control Panel is pushed.

Master WARN Light
Flash RED for level 3 Warnings. Accompanied by an aural Warning.
The lights extinguish when:

• Either MASTER WARN light is pushed.
• The Warn no longer exists.
• The CLR key on the ECAM Control Panel is pushed.
• The EMER CANC key on the ECAM Control Panel is pushed.

The aural Warning stops when:

• Either MASTER WARN light is pushed.
• The Warning no longer exists.
• The EMER CANC key on the ECAM Control Panel is pushed.

AUTO Land
Illuminates below 200 feet RA in the LAND mode when any one of the following occurs:

• Both Autopilots are off.
• Excessive localizer deviation or glide slope deviation.
• Loss of localizer signal above 15 feet RA or loss of glide slope signal above 100 feet RA.

Chronometer Button

• First push : Chronometer indication appears on the onside ND in numerical form.
• Second push : freezes the displayed value.
• Third push : resets the Chronometer and removes the display.