
PFD BRIGHTNESS CONTROL KNOB ROTATE (rotary action, detent at OFF)

ROTATE - manually adjusts brightness of respective side PFD
OFF - Display Unit (DU) goes blank
MFD BRIGHTNESS CONTROL KNOB (rotary action, detent at OFF)

ROTATE - manually adjusts brightness of respective side MFD
OFF - Display Unit (DU) goes blank
BEARING 1 SELECTOR knob (5 position, rotary action)

ROTATE - selects desired navigation source to be displayed by the white, single bar bearing pointer with a white circle, on the PFD
- selectable positions are labeled OFF, VOR 1, ADF 1, FMS 1 and AUX 1
- bearing pointer is removed from PFD display when turned OFF
- selected navigation source is annunciated on the PFD
- If VOR is selected, but the frequency is either invalid, or an ILS frequency, the pointer will be removed from view
- If ADF is selected, but the signal of frequency is invalid, the pointer will park at the 90° position
- If FMS is selected, and the FMS is operating, the pointer will point to the next waypoint
- AUX is only functional with optional equipment, i.e., MLS
FORMAT PUSHBUTTON (momentary action, 1 second hold)

PUSH 1 - ARC mode with VOR/ILS as navigation source
PUSH 2 - ARC mode with MLS (if installed) as navigation source
PUSH 2/3 - the NAV display on MFD changes back to ARC mode with FMS (default selection)
as navigation source. This partial compass mode displays ± 45° around the current
heading
PUSH and HOLD (1 sec) - the NAV display on MFD changes to a FULL mode, A/C centered,
oriented with respect to north. Optional navigation data may be displayed in that
mode, using the DATA pushbutton, but not the weather radar image
TCAS PUSHBUTTON (momentary action)
PUSH 1 - shows TCAS traffic continuously when navigation page is set to arc or map
Mode and range is set to 40 nautical miles or less,
- TCAS range ring indication comes into view to show continuous indication selection.
PUSH 2 - automatic mode is activated.
NOTE: If the EFCP malfunctions, the TCAS automatic mode is set.
WX/TERR PUSHBUTTON (momentary action)