TM 1-6625-724-13&P0074 000074 00-9e. Ensure that the TRACKER MODE switch on the front of the DAU is in the DAY position.f. Paint leading edges of main rotor blade as required.Figure 6. UTD Mounting BracketPROCEDURE 5: NIGHTTIME TRACKING INSTRUCTIONSNOTEThe following steps are to be taken if nighttime trackingis anticipated. If no flights will be performed after dusk,proceed directly to task 2.a. Ensure that the TRACKER MODE switch on the front of the DAU is in the NIGHT position.b. Ensure that the underside, trailing edge of all blades is as clean as possible. This is necessary for optimumadhesion of the reflective tape.c. Place a single, 4-ft strip of reflective tape on the underside, trailing edge of each blade as shown in figure 7.Ensure that the tape is smooth and as straight as possible using the edge of the blade as a reference.d. If verification of the tape placement is desired, it can be viewed by holding a flashlight near your head andshining it at the rotating blades. Any misplaced sections of the tape will stand out.Figure 7. Placement of Reflective Tape on Rotor Blades
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