Furuno 1942, 1932, 1832 manual Specifications, Vii

MODEL 1932				MODEL 1942
SPECIFICATIONS				SPECIFICATIONS
ANTENNA UNIT				ANTENNA UNIT
1.	Radiator:		Slotted waveguide	1.	Radiator:		Slotted waveguide
			array				array
2.	Radiator length:		100 cm	2.	Radiator length:		120 cm
3.	Horizontal beamwidth:		3.9°	3.	Horizontal beamwidth:		1.9°
4.	Vertical beamwidth:		27°	4.	Vertical beamwidth:		22°
5.	Sidelobe:			5.	Sidelobe:
	Within ±	20° of mainlobe; less than -24 dB			Within ±	20° of mainlobe; less than -24 dB
	Outside ±	20° of mainlobe; less than -30 dB			Outside ±	20° of mainlobe; less than -30 dB
6.	Polarization:		Horizontal	6.	Polarization:		Horizontal
7. Antenna rotation speed:			24 rpm	7. Antenna rotation speed:			24 rpm
8.	Wind resistance:			8.	Wind resistance:
	Relative wind speed 100 knots (51.5 m/s)				Relative wind speed 100 knots (51.5 m/s)

TRANSCEIVER MODULE (contained in antenna)

1.Pulselength & pulse repetition rate:

0.08∝ s, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5)

0.3∝ s, 1200 Hz (1.5, 2, 3)

0.8∝ s, 600Hz (3, 4, 6, 8, 12, 16, 24, 36, 48)

2. Others: See MODEL 1832.

DISPLAY UNIT

1.Range scale (nm):

Range, Range interval and no. of Rings: 0.125 (0.0625, 2), 0.25 (0.125, 4), 0.75 (0.25, 3), 1 (0.25, 4), 1.5 (0.5, 3), 2 (0.5, 4), 3 (1, 3), 4 (1, 4), 6 (2, 3), 8 (2, 4), 12 (3, 4), 16 (4, 4), 24 (6, 4), 36 (12, 3), 48 (12, 4)

2.Compass safe distance:

	Standard compass	Steering compass
Display unit	0.75 m	0.6 m
Antenna unit	1.1 m	0.8 m
3. Others:	See MODEL 1832.

TRANSCEIVER MODULE (contained in antenna)

1. Transmitting tube:	MG5389 or
	MAF1422B
2. Peak output power:	6 kW nominal

3.Pulselength & pulse repetition rate:

0.08∝ s, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5)

0.3∝ s, 1200 Hz (1.5, 2, 3)

0.8∝ s, 600Hz (3, 4, 6, 8, 12, 16, 24, 36, 48, 64)

4.Bandwidth:

Tx pulselength 0.3 ∝ s and 0.08 ∝ s: 25 MHz

Tx pulselength 0.8 ∝ s: 5 MHz

5. Others:See MODEL 1832.

DISPLAY UNIT

1.	Range scale (nm):
	Range, Range interval and no. of Rings:
	0.125 (0.0625, 2), 0.25 (0.125, 4), 0.75
	(0.25, 3), 1 (0.25, 4), 1.5 (0.5, 3), 2 (0.5, 4),
	3 (1, 3), 4 (1, 4), 6 (2, 3), 8 (2, 4), 12 (3, 4),
	16 (4, 4), 24 (6, 4), 36 (12, 3), 48 (12, 4), 64
	(16, 4)
2.	Compass safe distance:
		Standard compass		Steering compass
Display unit		0.75 m		0.6 m
Antenna unit		1.0 m		0.74 m
3.	Power supply & power comsumption:
	12-32 VDC (10.2 V to 41.6 VDC)
	56W
4.	Others:		See MODEL 1832.

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