A320 INTEGRAL LIGHTING CONTROL PANEL

OVHD INTEG LT knob

• This knob turns the overhead panel’s integral lighting on and off and adjusts its brightness.

ICE IND & STBY COMPASS sw

• This switch turns the standby compass light and the external ice detector light on and off.

DOME sw

• The DOME sw controls both dome lights.
• BRT: Both dome lights are on and bright.
• DIM: Both dome lights are on and dim.
• OFF: Both dome lights are off.

ANN LT sw

• The ANN LT sw controls all the flight deck annunciator lights.
• TEST: All flight deck annunciator lights turn On. Figure ‘8’ is displayed on all LCDs of FCU.
• DIM: Reduces the brightness of all flight deck annunciator lights.
• BRT: All flight deck annunciator lights operate normally.
• Note: When the ANN LT sw is set to TEST, do not reconfigure the DU (ECAM/ND transfer) or the DMC (DMC switching).