Furuno 1715 manual Specifications of Marine Radar, SP-1

SPECIFICATIONS OF MARINE RADAR

MODEL 1715

1 GENERAL

1.1 Indication System PPI daylight display, raster scan, 4 tones in monochrome

1.2Range (shown: nm), Pulselength (PL) & Pulse Repetition Rate (PRR)

	Range	0.125, 0.25, 0.5, 0.75	1, 1.5, 2	3, 4, 6, 8, 12, 16, 24, 36
	Pulse Length	0.08 μs (short)	0.3 μs (medium)	0.8 μs (long)
	Pulse Repetition Rate	3000 Hz nominal	1200 Hz nominal	600 Hz nominal
1.3	Range Resolution	18 m
1.4	Bearing Discrimination	5.2°
1.5	Minimum Range	30 m
1.6	Bearing Accuracy	Within 1°
1.7	Range Ring Accuracy	1.0 % of range or 8 m, whichever is the greater

2	ANTENNA UNIT
2.1	Radiator	Micro-strip
2.2	Polarization	Horizontal

2.3Antenna Rotation Speed 24/31/41 rpm nominal (auto-select according to range)

2.4	Radiator Length	45 cm
2.5	Horizontal Beamwidth	5.2° typical
2.6	Vertical Beamwidth	25°
2.7	Sidelobe Attenuation	Less than -20 dB

3	TRANSCEIVER MODULE
3.1	Frequency	9410 MHz ±30MHz (X-band)
3.2	Modulation	P0N
3.3	Peak Output Power	2.2 kW
3.4	Modulator	FET Switching Method

3.5Intermediate Frequency 60 MHz

3.6	Tuning	Automatic
3.7	Receiver Front End	MIC (Microwave IC)
3.8	Bandwidth	15 MHz (short pulse), 5 MHz (medium/long pulse)
3.9	Duplexer	Circulator with diode limiter
3.10	Warm-up Time	1-min. approx.

4	DISPLAY UNIT
4.1	Picture Tube	7” rectangular monochrome LCD
4.2	Display Pixels	240(H) x 320(V) dots,
		Effective radar display area: 240x240 dots

4.3Range, Range Interval, Number of Rings

	Range (nm/km)	0.125	0.25	0.5	0.75	1	1.5	2	3	4	6	8	12	16	24	36
	Ring Interval	0.0625	0.125	0.125	0.25	0.25	0.5	0.5	1	1	2	2	3	4	6	12
	Number of Rings	2	2	4	3	4	3	4	3	4	3	4	4	4	4	3
Range unit: nm/sm/km selectable, 0.125: nm/sm only, 36: km only
				SP-1										E3514S01B