Furuno, Sp - 2 – Furuno FR-8252 EN User Manual
Page 124
FURUNO
FR-8xx2 Series
SP - 2
E3539S01F
6/28/2006
2.3
Auto Antenna Rotation Speed
Automatic selection of antenna rotation speed and pulse
length according to range are available. The table below
shows antenna rotation speed and pulse length selected
according to range.
Range, Antenna Rotation Speed and Pulselength
0.125 0.25 0.5 0.75
1.0
1.5
2 3 4 6 8 12
16
24
36 48 64
72
96
48 rpm (SP)
36 rpm (MP)
24 rpm (LP)
SP=Short Pulse (0.08 µs), MP=Medium Pulse (0.3 µs), LP=Long Pulse (0.8 µs)
Max. range: FR-8252, 96 nm, FR-8062, FR-8122, 72 nm
For the 1.5 nm and 3.0 nm ranges, the antenna rotation speed is also changed depending on the
setting of Pulse Length in the Echo menu.
3. RF
TRANSCEIVER
3.1
Frequency and Modulation
9410 MHz ±30MHz (X band), P0N
3.2
Peak Output Power
FR-8062: 6 kW, FR-8122: 12 kW, FR-8052: 25 kW
3.3
Intermediate Frequency
60 MHz
3.4 Tuning
Automatic
or
manual
3.5
Noise figure
5 dB (typical)
4. DISPLAY
UNIT
4.1
Display
12.1-inch rectangular TFT color LCD, 600 x 800 dots,
Effective radar display 300 dots
4.2
Range, Range Ring Interval, Number of Rings
Range 0.125 0.25 0.5 0.75 1 1.5 2 3 4
6
8
12
16 24 36 48
64
72
96
Ring
Interval
0.025 0.05 0.1 0.25 0.25
0.25 0.5
0.5
1
1
2
2 4 4 6 8
8
12
16
No. of
rings
5
5
5
3
4
6
4
6
4
6
4
6
4
6
6
6
4
6
6
Max. range: FR-8252: 96 nm, FR-8062, FR-8122, 72 nm
4.3
Markers
Heading Line, Bearing Scale, Range Rings, Variable Range
Marker (VRM), Electronic Bearing Line (EBL), Target Alarm
Zone, Waypoint Mark (navigation input required), Zoom Win-
dow