... for all kinds of boats 2. 10 inch LCD display marine radar ONWA®10.4” LCD DIAPLAY MARINE RADAR/ with AIS DisplayMODEL: KR-1338 FEATURE ... (0.125, 0.25, 0.5, 0.75, 1, 1.5*nm)0.3µ s/1200 Hz (1.5*, 2, 3 nm)0.8µ s/ 600 ... Scales(nm)Range: 0.125, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 38Ring: 0 ... .0625, 0.125, 0.125, 0.25, 0.5, 0.5, 1, 1, 2, 2, 3, 4, 6, 12 4. Echo TrailInterval: 15s, 30s ...