Table 7-2. Simulated Malfunction Details (cont)

TM 55-6930-212-10 Table 7-2. Simulated Malfunction Details - Continued Method of Indications and effects on Effects sensed by trainee introduction related systems as presented if corrective action is Malfunction by instructor to the instructor and trainee not taken Doppler NAV RTA 314 DOP NAV RTA appears on CRT. 1. In navigate mode, (receiver trans- MEM light illuminates mitter antenna) (after 8 sec). 2. In test mode. MEM light extinguishes and MAL light illumi- nates, MN R00000 (after 15 sec). Doppler NAV SDC 315 DOP NAV SDC appears on CRT. 1. In navigate mode, MEM (signal data con- and MAL lights verter) power illuminate. 2. In test mode. NG S890000 (after 15 sec.). LF receiver 316 LF station identification is not Crew does not receive sta- possible. ADF pointers remain tion identification. ADF fixed at last position prior to pointers remain fixed at failure. last position prior to failure. Marker beacon 317 Marker identification is not Marker beacon system possible. Marker lights are inoperative. inoperative. Marker lights press-to-test is inoperative. VOR receiver 318 If tuned to a valid VOR station: VOR navigation system 1. Station ident is disabled. inoperative. 2. VOR pointers remain fixed at 1200. 3. NAV flag appears in ID-2103. 4. Vertical needle in ID-2103 centers. 7-7