System diagram

The JFS-280 onmi-directional sonar can be connected to various equipment and sensors onboard a ship. JRC’s straighforward configuration assures continuous performance.

Tech Specs


Display (option)
NWZ-207 Weight 6 kg (13.22 lbs)

1280-by-1024-pixel resolution
2000:1 contrast ratio (typical)
500 cd/m2 max brightness
View angle (H/V) 178℃
5:4 aspect ratio
VGA in, DVI-D in
Power input 21.6 to 31.2V DC (3A)



Keyboard
NCH-578 Weight 1.3 kg (2.87 lbs)

Rotate/push and trackball operation
Dedicated (user defined) buttons
Direction, hoist and title functions
JRC original design
Flush mount installation available
(Forced) power button
Powered via processor



Processor
NJC-31 Weight 11 kg (24.25 lbs)

Digital signal processor
800 Hz/2W audio output
Display motion: head up/north up
Display mode full screen/off center
16 preset ranges
Sonar range scale 100 to 2000m
Power input 21.6 to 31.2V DC (3A)



Transceiver
NTB-23 Weight 34 kg (74.96 lbs)

Straight amplifier
Full digital beam method
Average system consumption 0.5 kW
Pulse width 0.4 to 36ms
Tilt angle -5° to 60°
RCG, AGC, TVG supported
Power input 21.6 to 31.2V DC (13A)



Hoisting unit/transducer
NKF-2800/CHG-2800 Weight 110 kg (242.51 lbs)

Omni-directional transmission (62kHz)
Max consumption currency 30 A
(when hoisting)
Hoisting 600mm/interval under 20 sec
Max speed 18 knots when hoisting
Power input 21.6 to 31.2V DC (5A)
Max consumption when hoisting: 30A



Speaker (option)
6USFD00010 Weight 400 g (0.88 lbs)

Standard table mount bracket
Flush mount installation possible
JRC original design
Temperature -25 to 55°C
Rated input power 2W
Maximum input power 6W
Impedance 4Ω