Furuno FR-8125 ユーザーズマニュアル
FURUNO
FR-8045/8065/8125/8255
SP - 1
E3632S01D-M
SPECIFICATIONS OF MARINE RADAR
FR-8045/8065/8125/8255
1 GENERAL
1.1 Range, Pulse length (PL) and Pulse repetition rate (PRR)
Range (NM)
PL (
μs) PRR (Hz)
0.0625 to 1.6
0.08
2100
1.5 to 3.2
0.3
1200
3 to 96
0.8
800
1.2 Maximum range
48 NM (FR-8045), 72 NM (FR-8065/8125), 96 NM (FR-8255)
1.3 Range resolution
15 m (FR-8045), 20 m (FR-8065/8125/8255)
1.4 Bearing resolution
1.9° (XN-12A), 1.2° (XN-13A)
1.5 Minimum range
18 m (FR-8045), 25 m (FR-8065/8125/8255)
1.6 Bearing accuracy
Within ±1.0°
1.7 Range ring accuracy
0.9 % of range or 8 m, which is the greater
2 ANTENNA
UNIT
2.1 Radiator
Slotted wave-guide array
2.2 Polarization
Horizontal
2.3 Rotation speed
24 rpm (RSB-0070), 48 rpm (RSB-0073)
2.4 Radiator length
120 cm (XN-12A), 180 cm (XN-13A)
2.5 Horizontal
beamwidth 1.9° (XN-12A), 1.35° (XN-13A)
2.6 Vertical
beamwidth
22°
2.7 Sidelobe
XN-12A
-24 dB or less (within ±10% of main-lobe)
-30 dB or less (outside ±10% of main-lobe)
XN-13A
-28 dB or less (within ±10% of main-lobe)
-35 dB or less (outside ±10% of main-lobe)
3 TRANSCEIVER
MODULE
3.1 Frequency and modulation
9410 MHz ±30MHz (X-band), P0N
3.2 Peak output (nominal)
FR-8045: 4 kW, FR-8065: 6 kW, FR-8125: 12 kW, FR-8255: 25 kW
3.3 Range scale, Ring interval (RI) and Number of rings
Range (NM)
0.125
0.25 0.5
0.75
1
1.5
2
3
4 6 8 12
16
RI (NM)
0.025
0.05 0.1
0.25
0.2
0.25
0.5
0.5 1 1 2
3
4
Rings
5 5 5 3 5 6 4 6
4
6
4
4
4
24
36
48
64
72
96
6
6
8
16
12
16
4
6
6
4
6
6
3.4 Modulation
FET switching method
3.5 IF amplifier
60 MHz
3.6 Tuning
Automatic or manual
3.7 Warm-up time
90 s approx. (FR-8045/8065/8125), 180 s approx. (FR-8255)
4 DISPLAY
UNIT
4.1 Indication system
12.1 inch TFT color LCD,800 x 600 dots (SVGA)
4.2 Radar indication pixel
300 dots in radius
4.3 Effective radar diameter 184 mm
4.4 Marks
4.4 Marks
Heading line, Bearing scale, Range ring, Tuning indicator, Cursor,