A320 RAs. On the Primary Flight Display the vertical speed scale on the right side of the display area will be overlaid with coloured sectors. Red band for vertical speed range to be avoided (Preventative RA). Green band for vertical speed range to fly into for Corrective RA.
On the Navigational Display the Threat aircraft for which an RA is generated is a standard red square symbol with relative altitude and vertical movement displayed alongside. This is in most modes and ranges selected on the ND. If an appropriate mode is not selected a red message TCAS:CHANGE MODE or RANGE will be bannered across the display to advise the pilot to switch.
Also standard trajectory orders by voice announcements.