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Radar Air-to-Ground Bits

BIT 5

Range Slope and Zero

StepSystemAction
1.(P) Sight mode knobA/G
2.Radar power knobTEST
3.Radar range knobAI 5
4.Radar mode knobA/G
5.Test knob5
a. Monitor (RDR MAG) 0.9 to 1.15
b. B-sweep 5° ±3° left of center.
c. Acquisition symbol centered on B-sweep (before lockon).
d. Horizon line indicates 30° left bank and 30° dive.
6.Lock on first target
a. ASE circle appears and B-sweep fades (AGC). AGC action reduces the B-sweep intensity and the weaker test targets fade. However, it is not abnormal for the stronger test targets to be visible in the B-sweep.
b. (P) Range bar at 5:00 within ±.5° (6000 feet).
7.Lock on second target
a. (P) Range bar at 3:00 within ±.5° (12,000 feet).
8.Lock on third target
a. (P) Range bar at 1:00 within ±.5° (18,000 feet).

Bomb Range Strobe Calibration

StepSystemAction
1.Test knob1
2.Display knobPPI WIDE
3.Radar mode knobMAP
4.Radar range knobAI 10
a. PPI sweep scans 1200 sector.
b. PPI sweep drift Offset 5.6°.
c. Far edge of bombing Strobe just touches appropriate BIT target.