TM 11-5820-890-10-3 PMCS Continued RECEIVER-TRANSMITTER SELF-TEST When Equipment is ITEM Not Ready/ NO. B A PROCEDURE Available if: 3 • • a. Vehicular: Turn CB1 of mounting adapter Mounting adapter to ON power light is b. Vehicular: Turn lamp lens full left not on. (counterclockwise). c. Set FCTN TO SQ ON, CHAN to MAN, Display does not DATA to OFF light. d. Turn KY-57 OFF. e. Set VOL to midrange. f. Set FCTN to TST. h. Watch as displays cycle in the following sequence: • ECCM (E) and data (d) Display is module check incorrect. • Signal strength display check: lights all positions Marker does not up thru 9, light. • If SIG display does not Marker locks on drop back to 0 after position 9. FCTN is brought out of TST, get unit mainten- ance to chect RT. • Five 8's and a short burst A portion of any 8 followed by about eight is not lit. clicks must be heard If an "E" was seen, a beep will Clicks not heard. be heard after the clicks Beep not heard. • Rushing noise must be heard Display does not • Display must show "Good" show "Good". • Self-test should result in "Good" If "FAIL 5" results, merely turn ON KY-57 and test will show "Good" If any other fail message re- sults, do the following in order: (1) Rerun self-test. (2) If fail message continues, set FCTN to OFF and run self-test again. (3) If fail message still continues, disconnect all cables from RT front panel and, go to OFF , and rerun self-test. (4) If display now shows "Good", perform PMCS on cables, reconnect cables, and repeat self-test. (5) If fail message now appears, contact unit maintenance. 5-4