HEADS UP DISPLAY SYSTEM OPERATIONAL CHECK

HEADS UP DISPLAY SYSTEM VISUAL CHECK (Continued)

HEADS UP DISPLAY SYSTEM OPERATIONAL CHECK (Continued)

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 16-4.3 HEADS UP DISPLAY SYSTEM OPERATIONAL CHECK 16-4.3 INITIAL SETUP Equipment Condition: Applicable Configurations: TM 55-1520-240-23: All Battery Connected Electrical Power On Tools: Hydraulic Power Off Electronic Equipment Tool Kit, Visual Check of Heads Up Display Performed NSN 5180-00-064-5178 (Task 16-3.2) Electrical Repairer's Tool Kit, NSN 5180-00-323-4915 General Safety Instructions: Multimeter Materials: WARNING None Keep personnel clear of flight controls. Personnel Required: Avionics Mechanic Aircraft Electrician References: TM 55-1520-240-23 TM 11-5855-300-10 TM 11-5855-300-23&P TASK RESULT 1. With converter control unit (CCU) (1) If CCU (1) panel is not illuminated, go to task off, connect heads up display (HUD) 16-4.4. optical unit (2) and power supply calibration unit (3) to aircraft ANVIS system then turn on (push in) aircraft circuit breakers. 2. Place CCU P-PGMIOPICP-PGM switch If FAIL light does not extinguish, go to task 16- to OP and ADJ/ONIOFF switch to ON. 4.5. If ON and FAIL lights do not illuminate, go CCU ON and FAIL lights illuminate and to task 16-4.6. BIT proceeds automatically. After 10 seconds BIT is complete and FAIL light extinguishes. 3. Place CCU PLT and CPLT BRT/DIM If PLT and/or CPLT display has no display, go controls to full BRT. to task 16-4.7. 4. Place CCU PLT and CPLT BRT/DIM If PLT and/or CPLT display remains at controls to full DIM. maximum intensity, go to task 16-4.8. 16-150 Change 18 GO TO NEXT PAGE

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