3–1 SYSTEMS – POWER

TM 1–1520–238–T–1 3–7 3–1 SYSTEMS – POWER–UP (cont) 3–1 4. Attach the microphone headset/microphone adapter cord plug to communications cord receptacle. 5. Verify all circuit breakers are closed, except for MISSION JETT, JETT, and any circuit breakers tagged to remain open with power applied to the aircraft (fig. 2–5, 2–7, 2–43, and 2–44). 6. Verify crew station switch/control settings as follows after an aircraft power source is on–line. Pilot Station (fig. 2–1) PANEL SWITCH/CONTROL POSITION (set to) ELEC PWR (fig. 2–27) EXT PWR RESET Momentary press and release (Not required if using aircraft battery power) BATT/OFF/EXT PWR EXT PWR (if aircraft battery power is required, set switch to BATT) EXT LT/ L CSL As desired INTR LT (fig. 2–23) R/CTR CSL As desired Aft CB Panel (fig. 2–5) EDGE LT PNL ON (As desired) VDU (fig.2–10 ) CPG/PLT/TEST/OFF CPG CSC (fig. 2–17 or 2–19) Transmitter Select ICS MIC 1 (for maintenance headset without power adapter) 2 (for helmet or maintenance headset with power adapter) ICS SELECT NORM VOL As desired ECS (fig. 2–28) NORM/STBY/FAN NORM ENCU ON TEMP As required