Specifications; Antenna Unit; Display Unit - Furuno Marine Radar Operator's Manual

MODEL 1832

SPECIFICATIONS

ANTENNA UNIT

1. Radiator:
2. Radiator length:
3. Horizontal beamwidth:
4. Vertical beamwidth:
5. Sidelobe:
Within 20 of mainlobe; less than -18 dB
Outside 20 of mainlobe; less than -23 dB
6. Polarization:
7. Antenna rotation speed: 24 rpm
8. Wind resistance:
Relative wind speed 100 knots (51.5 m/s)
TRANSCEIVER MODULE
(contained in radome)
1. Transmitting tube:
2. Frequency:
9410 MHz 30 MHz
3. Peak output power:
4. 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)
5. Warmup time:
6. Modulator:
7. I.F.:
8. Tuning:
9. Receiver front end:
10. Bandwidth:
Tx pulselength 0.3 s and 0.08 s: 25 MHz
Tx pulselength 0.8 s: 3 MHz
11. Duplexer:

DISPLAY UNIT

1. Indication system:
2. Display:
Printed array
60 cm
3.9
20
Horizontal
E3571 or
MAF1421B
4 kW nominal
1:30
FET switching
method
60 MHz
3Automatic or
manual
MIC (Microwave
IC)
Circulator with diode
limiter
PPI raster scan
10-inch rectangular
monochrome CRT
3. 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)
4. Bearing resolution:
5. Bearing accuracy:
6. Range discrimination:
7. Range ring accuracy:
0.9 % or range in use or 8 m, whichever is
larger
8. Minimum range: Better than 25 m
9. Markers:
Heading line, Bearing scale, Range ring,
VRM 1/2, EBL 1/2, Tuning indicator,
Cursor, Alarm zone, North mark (heading
sensor input required)
10. Alphanumeric indication:
Range, Range ring interval, Pulselength (SP,
MP, LP), Display mode (HU, CU, NU, TM),
Interference rejection (IR1, IR2, IR3), VRM
(1,2), EBL (1, 2), Automatic A/C SEA (A/C
AUTO), Stand-by (ST-BY), Radar alarm:
G(IN)/G(OUT)/G(ACKN), Echo stretch
(ES1, ES2), Range to cursor, Bearing to
cursor, Echo trailing (TRAIL), Trail time,
Trail elapsed time, Navigation data (naviga-
tion input required), heading (HDG, heading
sensor input required)
11. Vibration:
Vibration Total amplitude
5 to 12.5 Hz
12 to 25 Hz
25 to 50 Hz
12. Temperature:
Antenna unit;
Display unit;
13. Humidity:
Relative humidity 93% or less at + 40 C
14. Waterproofing:
15. Power supply & power consumption:
12-32 VDC (10.2 V to 41.6 VDC)
50W
16. Protection feature:
Protection against reverse polarity, overvolt-
age, overcurrent, and internal fault
17. Compass safe distance:
t S n a a d d r
D s i l p y a u t i n . 0 5 7
A t n n e a n u t i n 0 9 .
4
Within 1
Better than 20 m
1.6 mm
0.35 mm
0.10 mm
-25 C to + 70 C
-15 C to + 55 C
Antenna unit;
IPX6
Display unit;
IPX5
o c m a p s s S e t i r e g n o c m a p
m 0 6 . m
m 0 7 . m
s s
v