This setting controls whether or not the arrival and departure times in the plan board are displayed in red if there is an airport or airway slot.
This setting only applies to the Classic Ops Planboard. Handlings and Movements pages will always show slots in red on the Ops Planboard.
Slot times are shown in red on the planboard (Classic UI)
Slot times colour is not changed. (Classic UI)
Please note this setting is also available per FBO in the 'FBO Locations settings' page area.