JRC JLN-628 Doppler Current Indicator (Meter)

Model: JLN-628

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JRC JLN-628 Doppler Current Indicator (Meter)

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JRC

JRC JLN-628 Doppler Current Indicator (Meter)

JRC JLN-628 Doppler Current Indicator (Meter)
Quick acquisition of tidal current and
fishfinding information.
Improved functions and features,
with space saving design
support efficient fishing operations

Quick acquisition of tidal current and
fishfinding information.
Improved functions and features,
with space saving design
support efficient fishing operations

♦ Quick acquisition of tidal and fishfinding information

A current drift and set is displayed on own ship's trail(*1) to observe a wide range of tidal currents. Own ship's drift can be grasped at a glance. Rips between two different currents can also easily found on the graphic display of current, water depth and temperature (*2) changes with time. Ship Speed Current Display 1(graphic) Current Display 2 (numeric) Ship Speed Display 3-layer current values Fore/aft speed Port/starboard speed Water temperature graph
-3-layer current values

1.	Four-directional Fish Echoes Multi-display CRT You can view fish echoes in four-directional, two-directional ahead, or in any one-directional mode. This feature enables easy tracking of fish. Just as in an ordinary fishfinder, you can suit the display to the fish type or sea conditions by abjusting the sensitivity.

2.	Simultaneous Display of Fish Echoes and Tidal Current You can check the tidal current while displaying fish echoes.

3.	Simultaneous Display of Current Directions and Ship Speed
•	Three layers (top, middle, bottom) of absolute tidal currents can be displayed at the same time. You can select the depth of each layer.
•	Constant display of ground speed, depth, and trip distance.
•	The relative current (relative to the C layer (lowest layer)) and the absolute current (relative to the sea bottom) can be displayed at the same time. Use this feature as a source of information for safety when diving or fishing.

♦ Quick Decision Based On Reliable Source Of Information

You can upgrade the JLN-628 to acquire more functions and display more information by connecting your other JRC and optional products.

Absolute current display relative to GPS ship speed (Option)

Where the sea is too deep to measure the ground speed relative to the sea bottom, you can display the absolute current relative to the ship speed by connecting a GPS navigation system. When the ground speed relative to the sea bottom can be measured, the ground speed obtained from the doppler effect is used, and when the ground speed relative to the sea bottom cannot be measured, the referrence switched ship speed is automatically to GPS.

B.	Stabilizing Data
	It is necessary to connect a heading sensor (gyro compass or electronic compass) to stabilize the current direction on the disply. You must connect either a thermometer or water temperature sensor to disply the water temperature.

C.	Water Temperature Display
	You must connect either a thermometer or water temperature sensor to disply the water temperature.

SPECIFICATIONS

Tidal current
Current speed	0 - 9.9kt
Current direction	360°,numeric and Rhumb (32 compass points) display
Measured layer	Absolute three layers, relative two layers (three layers can be measured in relative current mode)
Measured depth	2 - 100m or more(70% or less of the depth) (Note)The measured depth may vary depending on sea conditions.
Depth setting	Arbitrary at 2 - 200m
Reference	Doppler or GPS
Ship speed
Ahead-astern	-10.0 - 30.0 kt
Starboard-port	-9.9 - 9.9Kt
Bearing display	360°
Measured depth	Relative to ground : 2 -- 250m, relative to water : 15m deep or more (simultaneous display of depths relative to ground and water) (Note) The measured depth may vary depending on sea or sea bottom conditions.
Other	Manual sea bottom tracking system
Display
Display	15 inch color LCD
Display mode	Tidal current, ship speed, fish school, progress and ship's trail
Numeric display	Current direction/speed (absolute three layers, relative two layers), measured depth, ship speed relative to ground/ship course, ship speed relative to water/ship course, compass direction, distance, ahead-astern ship speed/starboard-port ship speed, trip distance or time, depth, water temperature
Graphic display	Absolute tidal current vector, relative tidal current vector, ship speed vector, temperature graph, FishFinder echo display, alarm ringer
Alarm
	Current speed, ship speed, distance, timer, temperature
Input/Output Signals
Inputs	1) Bearing data (NMEA0183), signal name [COMPASS IN] $_ _HDT, $_ _VHW, $_ _HDM, $_ _HDG 2) Latitude/longitude data (NMEA0183), signal name [GPS IN] $_ _RMC, $_ _GGA, $_ _GLL, $_ _VTG 3) Water temperature data (NMEA0183), signal name [TEMP IN] $_ _MTW 4) Interference rejection triggers, signal name [TRIG1, TRIG2]
Outputs	1) Ship speed/current data (NMEA0183 Ver2.3/3.0), signal name [NMEA OUT] (1 port) $VDVBW, $VDVLW, $VDDBT, $VDCUR, $VDRMC Note : Only when lat/long data $_ _RMC is entered from any external equipment, $VDHDT: True bearing Note : Only when bearing data $_ _HDT is entered from any external equipment: 2) distance-run contact signals: 200 pulses/nm Signal name [200P1 -- 200P6] (6 ports) 3) JRC format signals, signal name [UART1, UART2]
Power supply
	20V - 32.4V DC, 300VA or less
Operating temperature
	-15 to +55degC
Transmitting frequency
	240kHz

♦ COMPOSITION

Standard Components
Components	Model	Quanity	Weight	Remarks
Color LCD Display Unit	NWZ-164	1	5kg
Keyboard	NCH-595	1	1kg
Signal Procesor	NJC-23C	1	23kg
Transducer Unit	CFT-067	1	25kg	Inch.25m cable

Options
Components	Model	Quanity	Weight	Remarks
Hull-bottom installation materials	NKF-765	1 kit	27kg	For wooden or FRP hull bottom
Hull-bottom installation materials	NKF-766T	1 kit	95kg	For iron hull bottom
LCD bracket	MPBX 42944	1 kit
Sun shade	MPOL 30369	1 kit

This product was added to our catalog on Tuesday 07 October, 2008.

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