Furuno FR-2115 Service Manual

1-3
1.3 Specifications
SCANNER UNIT
ITEM FR-2115 FR-2125
Radiator Type Slotted Waveguide Array
Radiator Length 4 ft
(XN12AF)
6.5 ft
(XN20AF)
8 ft
(XN24AF)
Horizontal Beamwidth 1.8 deg. 1.23 deg. 0.95 deg.
Vertical Beamwidth 20 deg.
Within +10 deg. to –10 deg. of
mainlobe
–28dB or less
Sidelobe
Attenuation
Outside +10 deg. to –10 deg. of
mainlobe
–32dB or less
Polarization Horizontal
Antenna Rotation approx. 24 rpm/approx. 42 rpm
Scanner Housing Structure Open Radiator
Standard 1.65 m 2.15 m
Compass Safe Distance
Steering 1.25 m 1.60 m
TRANSCEIVER
ITEM FR-2115 FR-2125
Magnetron MG5241 MG5436
Frequency & Modulation 9380 MHz to 9440 MHz, P0N (X band)
Peak Output Power 12 kW 25 kW
0.07 µs, approx. 3000 Hz (S1 : 0.125 nm to 1.5 nm)
0.15 µs, approx. 3000 Hz (S2 : 0. 5 nm to 3 nm)
0.3 µs, approx. 1500 Hz (M1 : 0.75 nm to 6 nm)
0.5 µs, approx. 1000 Hz (M2 : 3 nm to 24 nm)
0.7 µs, approx. 1000 Hz (M3 : 3 nm to 24 nm)
Pulselength & Pulse
Repetition Rate
1.2 µs,
approx. 600 Hz (L : 12 nm to 48 nm)
approx. 500 Hz (L : 72 nm ,R-type/
96 nm ,IMO-type)
1.2 µs,
approx. 600 Hz (L : 12 nm to 48 nm)
approx. 500 Hz (L : 120 nm R-type/
96 nm ,IMO-type)
Modulator FET Switching
Duplexer Circulator with diode limiter
Tuning Automatic or Manual
Intermediate Frequency 60 MHz
Bandwidth
25 MHz (0.07 µs, 0.15 µs, 0.3 µs), 3 MHz (0.5 µ, 0.7 µ, 1.2 µ)

Furuno FR-2115 Specifications

General

Brand	Furuno
Model	FR-2115
Category	Marine Radar
Language	English