Question ATPL - Airline Transport Pilot license - Radio Navigation

The track-line on the Electronic Horizontal Situation Indicator (EHSI) or Navigation Display of an Electronic Flight Instrument System: - ATPL

Represents the track of the aircraft over the ground. When it co-incides with the desired track, wind influence is compensated for

Corresponds to the calculated IRS TH and is correct during turns

Indicates to the pilot that a manually selected heading is being flown

Indicates that the pilot has made a manual track selection