TM 1-1510-225-10 3B-48 Table 3B-9.  CDU Annunciations and Scratchpad Messages  (Continued) ANNUNCIATION /SP MESSAGE INITIATING CONDITION RESET MECHANISM LOCATION     BLINKING NOT CLEARABLE CDU MSG ALERT data expired Current date is greater than the database effective period. Clear key or new database. A N X DATA FOR? Prompt for access to Data page. Clear key or valid waypoint selection. SP N DIRECT TO CRP? Access of CRP page from the Direct - To Flight Plan page. Clear key or selection of CRP point for Direct-To Flight Plan page. SP N DISCONTINUITY Attempt to enter a course to waypoint when a discontinuity is the active waypoint. Clear key SP A discontinuity A discontinuity is the active waypoint. Delete the dis - continuity, delete the associated waypoint, insert a waypoint between the discontinuity and the associated way- point, or direct-to any waypoint. AL N DUPLICATE USER WPT Attempt to assign a user waypoint identifier with the / function when the same identifier already exists in the User Waypoint List. Clear key SP A ELEMENT OMITTED Attempt to initiate MWOD LOAD or FMT LOAD when the entered list is not complete. Clear key SP A EMER/GUARD ENGAGED Attempt to change COMM modes when set to emergency configuration. Clear key SP A ENTER ANGLE OR RATE Attempt to toggle between CLIMB and DESCNT when no vertical angle or rate has been entered. Clear key SP A ENTER DATE Attempt to verify a date is in the V/UHF when there is no date entered on the CDU. Clear key SP A ENTER FIX Attempt to enter a magnetic track or toggle to a magnetic track when a target fix has not been entered on the Intercept A page. Clear key SP A ENTER PARA- METERS Attempt to insert an intercept, MFP, or approach into the flight plan when defining parameters have not been entered. Clear keys  SP A