... .125, 0.25, 0.5, 0.75, 1, 1.5*nm)0.3µ s/1200 Hz (1.5*, 2, 3 ... nm)0.8µ s/ 600 Hz(3*, 4, 6, 8, 12, ... 16, 24, 36, 48**, 64** nm)Pulselength & PRR for 1.5nm and 3nm ranges can be ... ** *Heading input required **Heading and speed inputs required3. Range Scales (nm): Range: 0.125, 0.25, 0.5, 0.75, 1 ...