Furuno 1763C - Manual (Page 247)

SP - 1 E3494S01K
SPECIFICATIONS OF MARINE RADAR
MODEL 1722/1732/1742/1752/1762
MODEL 1722C/1732C/1742C/1752C/1762C
MODEL 1723C/1733C/1753C/1763C
1. GENERAL
1.1 Indication System
M1722 series PPI Daylight display, raster scan, 4 tones monochrome LCD
M1722C/1723C series PPI Daylight display, raster scan, color LCD
1.2 Range, Pulse length (PL) & Pulse Repetition Rate (PRR)
Range (nm) Pulse length (
µ
s) PRR (Hz approx.)
0.125 to 1.5 0.08 2100
1.5 to 3 0.3 1200
3 to 48* 0.8 600
*Maximum Range: M1722/C/1723C: 24nm, M1732/1742/1752 (C)/1733C/1753C: 36nm,
M1762/C/1763C: 48nm
1.3 Range Resolution All models: 21 m
1.4 Bearing Resolution M1722/C/1723C: 6.7°, M1732/C/1733C: 5.5°, M1742/C: 5.0°,
M1752/C/1753C: 4.0°, M1762/C/1763C: 3.9°
1.5 Minimum Range M1722 (C)/1723C: 27 m, M1732 (C)/1733C: 35 m,
M1742 (C): 41 m, M1752 (C)/1753C: 27 m,
M1762 (C)/1763C: 30 m
1.6 Bearing Accuracy ±1°
1.7 Range Ring Accuracy 0.9 % of range or 8 m, whichever is the greater
2. SCANNER UNIT
2.1 MODEL1722/1722C/1723C:
2.1.1 Radiator Micro-strip
2.1.2 Polarization Horizontal
2.1.3 Antenna Rotation Speed 23 rpm nominal
2.1.4 Radiator Length 45 cm
2.1.5 Horizontal Beamwidth 5.2°
2.1.6 Vertical Beamwidth 25°
2.1.7 Sidelobe Attenuation -20 dB
2.2 MODEL1732/1732C/1733C:
2.2.1 Radiator Printed waveguide array
2.2.2 Polarization Horizontal
2.2.3 Antenna Rotation Speed 24 rpm nominal