1–5 FD/LS OPERATION – GENERAL (cont)

TM 1–1520–238–T–1 1–12 Change 5 1–5 FD/LS OPERATION – GENERAL (cont) 1–5 CONTINUOUS TEST MODE NO-GO MESSAGE MAINTENANCE TEST MODE MENU ADDRESS DTC BATTERY LOW (ADD) 35 – DTU EGI SYSTEM NO-GO (ADD) 36 – EGI CONTINUOUS TEST MODE NO-GO MESSAGE BORESIGHT MENU ADDRESS TADS BORESIGHT NO-GO 22 – ED (EDIT MODE) GUN BORESIGHT NO-GO 25 – ED (EDIT MODE) PYLON BORESIGHT NO-GO 28 – ED (EDIT MODE) PNVS BORESIGHT NO-GO 31 – ED (EDIT MODE) d. End-To-End (ETE) Check. (1) A complete FD/LS maintenance test of the AH-64A systems can be performed by selecting FD/LS menu address 16 – ETE. The ETE check performs the test menu addresses 01 through 15 (ACY), 1 through 3 and 5 through 15 (ACZ) 1 through 3, 5 through 15 and 33 through 36 (ADD). FD/LS does not perform ETE testing on menu addresses 04 – GUN (ACZ), (ADD), 17 – APU, 18 – GEN, 19 – TRAN. (2) The prompt ETE COMPLETE indicates all maintenance testing has been completed. A complete list of the current NO-GO messages is displayed upon completion of the ETE check.