Furuno DRS6A-NXT User manual

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Installation Manual
RADAR SENSOR
MODEL DRS6A-NXT
(Product Name: SOLID STATE DOPPLER RADAR)
SAFETY INSTRUCTIONS ................................................................................................ i
SYSTEM CONFIGURATION .......................................................................................... iii
INSTALLATION SPECIFICATIONS............................................................................... iv
FOREWORD.................................................................................................................... v
EQUIPMENT LISTS........................................................................................................ vi
1. INSTALLATION AND WIRING................................................................................... 1
1.1 Mounting Considerations ......................................................................................................1
1.2 Included Items.......................................................................................................................4
1.3 Required Tools and Materials ...............................................................................................5
1.4 Fastening the Radiator to the Radiator Bracket....................................................................6
1.5 Mounting the Antenna Unit ...................................................................................................8
1.6 Wiring..................................................................................................................................11
2. INITIAL SETUP......................................................................................................... 15
2.1 Initial Setup for TZT9/TZT14/TZTBB ..................................................................................16
2.2 Initial Setup for TZTL12F/TZTL15F ....................................................................................18
3. MAINTENANCE, TROUBLE SHOOTING ................................................................ 21
3.1 Maintenance .......................................................................................................................22
3.2 Troubleshooting ..................................................................................................................23
3.3 Replacement of Fuse..........................................................................................................23
3.4 Life of Parts.........................................................................................................................24
APPENDIX 1 RADIO REGULATORY INFORMATION ............................................AP-1
SPECIFICATIONS ..................................................................................................... SP-1
PACKING LIST............................................................................................................ A-1
OUTLINE DRAWING................................................................................................... D-1
INTERCONNECTION DIAGRAM ................................................................................ S-1

i
SAFETY INSTRUCTIONS
Mandatory Action
Prohibitive Action
Warning, Caution
WARNING
The installer of the equipment must read the safety instructions before attempting to
install the equipment.
Indicates a potentially hazardous situation which,
if not avoided, can result in death or serious injury.
Indicates a potentially hazardous situation which,
if not avoided, can result in minor or moderate injury.
WARNING
Turn off the power at the
switchboard before beginning the
installation.
Fire or electrical shock can result if
the power is left on.
Do not open the equipment
unless you are well familiar with
electrical circuits.
Only qualified personnel should
work inside the equipment.
Be sure that the power supply is
compatible with the voltage rating
of the equipment.
Connection of an incorrect power
supply can cause fire or damage the
equipment.
Use only the specified power and
signal cable.
Fire or damage to the equipment
can result if a different cable is used.
Wear a safety belt and hard hat
when working on the antenna
unit.
Serious injury or death can result if
someone falls from the radar mast.
Do not disassemble or modify the
equipment.
Fire, electrical shock or serious
injury can result.
Construct a suitable service
platform from which to install the
antenna unit.
Serious injury or death can result if
someone falls from the radar mast.
Keep the objects away from the
antenna unit, so as not to impede
rotation of the antenna.
Fire, electrical shock or serious
injury can result.
Use the proper fuse.
Use of a wrong fuse can damage
the equipment or cause fire.
Do not depend one navigation
device for the navigation of the
vessel.
For the safety of vessel and crew,
the navigator must check all aids
available to confirm position.
CAUTION
WARNING

SAFETY INSTRUCTIONS
ii
Ground the equipment to prevent
mutual interference.
WARNING LABEL
A warning label is attached to the antenna unit. Do not remove the label.
If the label is missing or damaged, contact your dealer about replacement.
Name: Warning Label (2)
Type: 03-129-1001-3
Code No: 100-236-743
It is recommended that you
connect the antenna unit to a
disconnecting device (circuit
breaker, etc.) to control the
power.
CAUTION
Observe the following compass safe
distances to prevent deviation of a
magnetic compass:
0.70m 0.40m
Standard
compass
Steering
compass
Importer in Europe
The following concern acts as our importer in Europe, as defined in DECISION No 768/2008/EC.
- Name: FURUNO EUROPE B.V.
- Address: Ridderhaven 19B, 2984 BT Ridderkerk, The Netherlands
Program No.
• 0359423-01.**
** denotes minor modifications.
The radar antenna emits
electromagnetic radio frequency
(RF) energy which can be
harmful, particularly to your eyes.
Never look directly into the
antenna aperture from a close
distance while the radar is in
operation or expose yourself to
the transmitting antenna at a
close distance.
Distances at which RF radiation
levels of 100, 50 and 10 W/m2exist
are given in the table below.
WARNING
N/A XN10A
0.7m
N/A
100 W/m250 W/m210 W/m2
Radiator
XN12A
XN13A
N/A 0.6m N/A
N/A 0.4m N/A
CE declarations
With regard to CE declarations, please refer to our website (www.furuno.com), for further
information about RoHS conformity declarations.

iii
SYSTEM CONFIGURATION
This radar series is compatible with the FURUNO Multi Function Displays and software version
combinations shown below. The combination with other models or software versions may not op-
erate properly.
• TZT9, TZT14 and TZTBB: Version 5.01 or later
TZTL12F and TZTL15F: Version 5.01 or later
: Standard supply
: Optional or local supply
Antenna Unit
RSB-137
Multi Function Display
NavNet TZtouch/Navnet TZtouch 2
Multi Function Display
NavNet TZtouch/Navnet TZtouch 2
Ethernet HUB
HUB-101
Ship's battery*
(24 VDC or
12 VDC)
*: Radiator XN13A cannot be used with 12 VDC.
Connect the antenna unit to the ship's battery
via a switchboard.
Power/LAN cable
Cable assembly
Radiator
XN10A (3.4 ft)
XN12A (4 ft)
XN13A (6 ft)

iv
INSTALLATION SPECIFICATIONS
Voltage of Ship’s Main and Usable Radiator
Voltage of Ship’s Main and Usable Cable Length
Voltage of Ship’s Main and Fuse to be used
Note: DO NOT USE 15 A fuse for 24 VDC. Use of a wrong fuse can damage the equipment or
cause fire.
Radiator
Supply Voltage XN10A XN12A XN13A
12 VDC OK OK Not available
24 VDC OK OK OK
Cable Length
Supply Voltage 10 m 15 m 20 m 30 m
12 VDC OK Not available Not available Not available
24 VDC OK OK OK OK
Cable Length
Supply Voltage 10 m 15 m 20 m 30 m
12 VDC 15 A Not available Not available Not available
24 VDC 10 A 10 A 10 A 10 A

v
FOREWORD
A Word to the Owner of the DRS6A-NXT Marine Radar
Congratulations on your choice of the FURUNO DRS6A-NXT Marine Radar. We are confident you
will see why the FURUNO name has become synonymous with quality and reliability.
Since 1948, FURUNO Electric Company has enjoyed an enviable reputation for innovative and
dependable marine electronics equipment. This dedication to excellence is furthered by our
extensive global network of agents and dealers.
Your equipment is designed and constructed to meet the rigorous demands of the marine envi-
ronment. However, no machine can perform its intended function unless properly installed and
maintained. Please carefully read and follow the operation and maintenance procedures set forth
in this manual.
We would appreciate feedback from you, the end-user, about whether we are achieving our pur-
poses.
Thank you for considering and purchasing FURUNO equipment.
Features
• TARGET ANALYZER* function displays targets which are moving and getting close to own ship
in red, other targets in green and rain clutter in blue. Speed analyzing range is ±50 kn.
* Requires a GPS sensor. When you change the setting of [Target Analyzer Mode] to [Rain],
rain clutter is displayed.
• AUTO TARGET ACQUIRE function automatically acquires only the targets which are moving
and getting close to own ship within the range of 3 NM by Doppler calculation. Automatic Dop-
pler function will be activated when there is a target which approaches own ship with a speed
of over 3 kn.
Note: The judged speed of target is dependent on its vector towards own ship.
• The azimuth resolution can be enhanced to as high as twice with using the RezBoost function.
Note 1: RezBoost function reflects the settings of [Antenna Length] which are introduced in
page 17 and page 19.
Note 2: Refer to the Operator’s Manual for your Multi Function Display regarding the above new
functions.
• Instant ON function. This radar sensor does not have a magnetron, therefore preheating of the
magnetron is unnecessary.
• Reduced electricity emission means no need to worry about the radiation hazard.
• Magnetron-less radar means no periodic replacement of magnetron or related parts.
• The maximum display range is 72 NM in the single range mode.
• ARPA (Automatic Radar Plotting Aid) function applicable range is 24 NM at the maximum.
• Dual Range Mode has the following limitations.
- The maximum display range is 12 NM. (72 NM when single display)
- The maximum detection range is reduced a maximum of 20% compared to the single
display.

vi
EQUIPMENT LISTS
Standard supply
Optional supply
Name Type Code No. Qty Remarks
Scanner Unit RSB-137-119 - 1
Radiator XN10A -
1
3.4 ft
XN12A - 4 ft
XN13A - 6 ft
Installation
Materials
CP03-37101 001-426-290 1 For scanner unit
CP03-22901 008-523-690 1 For radiator
CP03-37700 000-033-452
1
Cable assembly (10 m)
CP03-37710 000-033-453 Cable assembly (15 m)
CP03-37720 000-033-454 Cable assembly (20 m)
CP03-37730 000-033-455 Cable assembly (30 m)
Spare Parts SP03-19101 000-477-060 1 Fuse (10 A and 15 A)
Name Type Code No. Remarks
LAN Cable MOD-Z072-020+ 001-167-880-10 2 m
MOD-Z072-050+ 001-167-890-10 5 m
MOD-Z072-100+ 001-167-900-10 10 m
Joint Box TL-CAT-012 000-167-140-10 For LAN cable extension

1
1. INSTALLATION AND WIRING
1.1 Mounting Considerations
Select a mounting location, keeping in mind the following points:
• Install the antenna unit on the hardtop, radar arch or on a mast on an appropriate
platform.
• Locate the antenna where there is a good all-round view. Where possible, there
should be no obstructions to the scanning beam such as superstructure or rigging.
Obstructions cause shadow sectors and decrease the overall performance of the
radar. The loss of performance can cause false echoes and reduce the quality of
the observed images. A mast for instance, with a diameter considerably less than
the horizontal beam width of the radiator, will cause only a small shadow sector.
However, a horizontal spreader, or cross trees in the same horizontal plane as the
antenna unit, would be a much more serious obstruction. You would need to place
the antenna unit well above or below it. Be sure there are no metallic objects near
the antenna.
• It is rarely possible to place the antenna unit where a completely clear view in all
directions is available. After fitting the antenna, determining any shadow sectors,
their angle and bearing, and their influence on the radar is recommended.
NOTICE
Do not apply paint, anti-corrosive sealant or contact
spray to coating or plastic parts of the equipment.
Those items contain organic solvents that can damage
coating and plastic parts, especially plastic connectors.
(a) Common mast (b) Radar mast
Vertical beam angle = 22°

1. INSTALLATION AND WIRING
2
• In order to reduce electrical interference, avoid routing the power cable near other
electrical equipment on-board. Also, avoid running the cable in parallel with other
power cables.
• It is not recommended to install the antenna unit on the hardtop of a cabin. Vibra-
tions from the antenna unit will pass through the hardtop and into the cabin.
• Setup the antenna unit position on the FURUNO Multi Function Display after install-
ing the unit, referring to chapter 2. If the antenna unit position is not setup correctly,
the radar echoes on the display may not be aligned with the actual target’s bearing.
• Select a location that does not allow water to accumulate at the installation location.
• A magnetic compass will be affected if the antenna unit is too close to the compass.
Observe the compass safe distances mentioned in the SAFETY INSTRUCTIONS
to prevent interference to a magnetic compass.
• To ensure proper emission of radar waves, do not paint the radiator.
• Referring to the outline drawings at the back of this manual, allow space for main-
tenance and service.
• When this antenna unit is to be installed on a large vessel, consider the following
points:
• The supplied cable assembly runs between the antenna unit and display (or eth-
ernet HUB) and comes in lengths of 10 m, 15 m, 20 m or 30 m. Select the appro-
priate length when purchasing.
• Deposits and fumes from a funnel or other exhaust vent can adversely affect the
aerial performance and hot gases may distort the antenna unit. The antenna unit
must not be mounted where the temperature is more than 55°C (131°F).
Not recommended

1. INSTALLATION AND WIRING
3
Consideration for selecting a location for installation (multiple radars)
• In case multiple radars are installed on a ship, DO NOT install the DRS6A-NXT with-
in the range of the beam area emitted from other radar(s). Use the illustration below
for reference when selecting a suitable location for installation. The Solid State De-
vice (SSD) inside the DRS6A-NXT will be damaged if it is within the radar beam
emission area from other radars.
Installation with the radiotelephone equipment
• Install the open antenna away from radiocommunication antennas (SSB, VHF, In-
marasat) and GPS antennas to prevent radar interference.
• Install the open antenna away from the radiotelephone equipment so that electrical
noise does not affect the radiotelephone equipment.
Cable routing
• In order to reduce the chance of picking up electrical interference, avoid, where pos-
sible, routing the power/LAN cable and cable assembly near other electrical equip-
ment on-board. Also, avoid running the cable in parallel with other electrical cables.
• Make sure that the power/LAN cable does not run horizontally with the cable as-
sembly and it is placed away from the cables carrying radio signal and antennas.
For large vessels
• When this radar sensor is to be installed on a large vessel, consider the following
points:
• The length of the pre-attached power/LAN cable is 1 m from the open antenna to
the connector.
• Deposits and fumes from a funnel or other exhaust vent can adversely affect the
aerial performance and hot gases may distort the radiator portion. The radar sen-
sor must not be mounted where the temperature is more than 55°C (131°F).
More than 20°
More than 1 m
Other radar More than 20°
More than 20°
More than 20°
Suitable location for installing
the DRS6A-NXT
Locate the radar out of the radar
beam (dark gray) of other radar.

1. INSTALLATION AND WIRING
4
1.2 Included Items
• Radiator* (1 pc):
3.4 ft, 4 ft or 6 ft
• Scanner Unit (1 pc)
Radiator
• O-ring (1 pc)
• Flat washer (M8, 4 pcs) • Spring washer (M8, 4 pcs)
• Hex. bolt (M8×30, 4 pcs)
• Marine sealant (1 pc)
Scanner Unit
• Stud bolt (M12×70, 4 pcs)
• Flat washer (M12, 4 pcs) • Spring washer (M12, 4 pcs)
• Hex nut (M12, 8 pcs) • Corrosion-proof rubber pad
(4 pcs)
• Spare fuse (2 pcs)
(10 A and 15 A)
• Documents (1 set)
Cable assembly
• Cable assembly* (1 pc):
10 m, 15 m, 20 m or 30 m
*: Select the appropriatelength when purchasing.
10A
• Fuse for replacement
(For 10 m cable:
10 A and 15 A**
For other length cables:
10 A)
• Label
(For 10 m cable:
10 A and 15 A
For other length cables:
10 A)
• Document
How to Replace
the Fuse (1 pc)
15A
**: Select the appropriatefuse according to ship’ s main voltage.

1. INSTALLATION AND WIRING
5
1.3 Required Tools and Materials
The following tools should be prepared in advance for this installation.
*: For cosmetic purposes, black color vinyl tape (cable color) is recommended.
No. Name Remarks
1Electrical drill For making the mounting holes, drill bit: 15 mm
2Phillips-head screw driver #3, for securing the cable cover
3Wrench For M8 (Hex. size 13 mm) and M12 (Hex. size 19 mm)
4Hex. L-wrench For fastening the stud bolts (Hex. size 6 mm)
5Self-vulcanizing tape For waterproofing the junction of connectors
6Vinyl tape*
7Cable tie For securing the cables
8Ground wire IV-2sq
1
2
3
5
7
4
6
8

1. INSTALLATION AND WIRING
6
1.4 Fastening the Radiator to the Radiator Bracket
1. Remove the radiator cap from the radiator bracket.
2. Apply marine sealant to the surface of the radiator bracket as shown in the figure
below.
3. Set the O-ring to the radiator bracket.
Radiator bracket
Radiator cap
Marine sealant
Top view: Scanner unit
10 mm
10 mm
: Marine sealant application area
O-ring

1. INSTALLATION AND WIRING
7
4. Apply marine sealant to the thread holes on the bottom of the radiator (4 loca-
tions).
5. Prepare four bolt assemblies; pass the spring washer (M8) and flat washer (M8)
through the each hex bolt (M830) then apply marine sealant.
6. Fasten the radiator to the radiator bracket, using the four bolt assemblies pre-
pared at step 5.
Note: Be sure to align the waveguide location between the radiator and radiator
bracket before fastening bolt assemblies.
Bottom view: Radiator
Marine sealant
Flat washer
Spring washer
Hex. bolt
Marine sealant
Hex. bolt
(4 pcs)
Align the waveguide
location.
Detailed view (after securing the radiator)

1. INSTALLATION AND WIRING
8
7. Apply marine sealant to the holes and bolts at the locations indicated with arrows
in the figure below. Also apply marine sealant to the junction between the radiator
and the radiator bracket.
1.5 Mounting the Antenna Unit
The antenna unit can be mounted using the fixing holes on the outside (200 200 mm)
or inside (140 150 mm) the antenna unit. Normally, use the outside fixing holes.
When 140 150 mm fixing holes already exist on the mounting platform, use the in-
side fixing holes.
1. Set the supplied mounting template to the mounting location, then drill four fixing
holes in the mounting location.
Note: The holes must be parallel with the fore and aft line.
2. Attach four corrosion-proof rubber pads (supplied) to the mounting holes.
Apply marine
sealant to these
bolts and holes
Radiator
Bolt assembly - side view (detailed)
Apply marine sealant
to the junction
between the radiator
and radiator bracket.
Apply marine sealant
to the junction
between the radiator
and radiator bracket.
Flat washer
Spring
washer
Hex. bolt Marine sealant
Radiator - bottom view
CABLE ENTRANCE AT SCANNER FOR DRS4A/6A/12A/25A
䝇䜻䝱䝘ഃ䜿䞊䝤䝹ᑟධཱྀ䠄㻰㻾㻿㻠㻭㻛㻢㻭㻛㻝㻞㻭㻛㻞㻡㻭䛾䜏䠅
PP'')
PP'')
sPP'')



PP'')
sPP'')
CENTER OF ANTENNA ROTATION
䜰䞁䝔䝘ᅇ㌿୰ᚰ
PP'')
ྲྀ௜✰
4-䃥15
FIXING HOLES
ྲྀ௜✰䚷㻔᥮⿦⏝㻕
4-䃥15 (#: 4places)
FIXING HOLES
( FOR RETROFITTING)
Note: This template mayhave expanded or shrunk slightly.
Please confirm dimensions before use.
ὀព㻦㻌㻌ᮏᆺ⣬䛿ಖᏑ≧ែ䛻䜘䜚ⱝᖸఙ⦰䛩䜛ሙྜ䛜䛒䜚䜎䛩䚹
㻌㻌㻌㻌㻌㻌㻌㻌㻌౑⏝䛾㝿䛻䛿ᑍἲ䜢☜ㄆ䛧䛶䛟䛰䛥䛔䚹㻌
BOW
⯪㤳᪉ྥ
DRSシリーズ レーダーセンサー（オープン型）
ᆺ⣬
DRSSERIES OPEN RADAR SENSOR
MOUNTING TEMPLATE
Bow
Bow
Mounting template
Corrosion-proof rubber pad

1. INSTALLATION AND WIRING
9
3. Apply marine sealant to the thread of the stud bolts (M1270, 4 pcs).
Note: Apply marine sealant to the part of the bolt threads that are inside the bolt
hole (see the figure at step 4).
4. Insert four stud bolts into the threaded holes in the antenna unit.
The stud bolts must make contact with the bottom of the threaded holes.
Note: Do NOT cover the vent hole at the bottom of the unit.
5. Hoist the antenna unit to the installation location, using two belt slings.
Note: When you hoist the antenna unit. keep in mind the following points:
• When you hoist the antenna unit, set two belt slings to the radiator bracket. Do
not set the belt slings to the radiator, the radiator may get damaged.
Stud bolt
Marine sealant
Detailed view
Vent hole:
Do NOT cover this hole.
Marine
sealant
Stud bolt
Corrosion-proof
rubber pad
Do not fasten stud bolts tightly after
the bolts contact with the bottom of
the threaded holes.
If the bolts are fastened excessively, the
chassis bottom may be damaged which
can result in malfunction.
The projected bolt length after the bolts
contact with the bottom of the threaded
holes is approx. 46 mm. This data is for
reference purpose only.
NOTICE
Belt sling (2 pcs)
OK: Belt slings are set to the radiator bracket. WRONG: Belt slings are set to the radiator.

1. INSTALLATION AND WIRING
10
• Hoist the antenna unit slowly. If the antenna unit is hoisted too quickly, the
bracket can be damaged.
6. Place the antenna unit on the mounting platform with the BOW mark on the unit
aligned with the ship’s bow.
7. Secure the antenna unit, using the supplied flat washers (M12, 4 pcs), spring
washers (M12, 4 pcs), and hex. nuts (M12, 8 pcs).
8. Apply marine sealant to the flat washers, spring washers, and hex. nuts.
BOW mark
BOW mark
Bow
Bow
Flat washer
Spring washer
Hex. nut
Marine sealant
Corrosion-proof
rubber pad
Flat washer
Spring washer
Hex. nut
Stud bolt
Detailed view

1. INSTALLATION AND WIRING
11
1.6 Wiring
Wiring considerations
• Turn the power at the switchboard off before beginning the wiring.
• The 5 A fuse in the fuse holder (supplied with the cable assembly) must be replaced
with the supplied 10 A fuse when installing with 15 m, 20 m and 30 m cables. When
installing with 10 m cables, the fuse to be used will be different according to the volt-
age of ship’s main. Use the 15 A fuse for 12 VDC ship’s main. Use the 10 A fuse for
24 VDC ship’s main. Also, attach the supplied fuse rating label to the fuse holder.
For details, see “How to Replace the Fuse” (C32-01604).
• The cable assembly and power/LAN cables have connector(s). Do NOT cut the ca-
ble assembly and power/LAN cables even if the cables are run through a radar
mast.
• When you replace the DRS4A/6A/12A/25A with the DRS6A-NXT, the existing cable
cannot be used. Use only the cable assembly supplied with this radar sensor.
1. Unfasten two screws, circled in the following figure, to remove the cable cover.
2. Connect the cable assembly (supplied) to the power/LAN cable that is pre-at-
tached to the antenna unit.
Power/LAN cable:
Pre-attached to the antenna unit.
Cable assembly
Cable cover
Cable cover

1. INSTALLATION AND WIRING
12
3. Wrap the junction of the connectors with self-vulcanizing tape and vinyl tape (local
supply) for waterproofing as follows:
4. As shown in the figure below, secure the ground wire from the ship's ground (IV-
2sq, local supply) and ground wire from the antenna unit, using the terminal screw
(M4x10) that is pre-attached to the cable cover.
5. Apply marine sealant to the ground terminal after fastening the terminal screw.
Self-vulcanizing tape
1) Wrap the junction of the connectors
with one layer of self-vulcanizing
tape.
2) Change wrap direction and wrap
one layer of the self-vulcanizing
tape again.
Self-vulcanizing tape
3) Wrap one layer of the vinyl tape over
the self-vulcanizing tape.
Vinyl tape
4) Change wrap direction and wrap one
layer of the vinyl tape again.
Vinyl tape
Ground wire from
the ship’s ground
*: Pre-attached to the cable cover.
Ground wire* from
the antenna unit
Cable cover
Terminal screw*
Marine sealant

1. INSTALLATION AND WIRING
13
6. Secure the ground wire to the ship’s ground.
The figures shown below are examples for grounding.
7. Secure the cable assembly to the cable cover with the cable ties (local supply) as
shown in the figure below.
8. Reattach the cable cover.
9. Connect the LAN connector of the cable assembly to a LAN port on the FURUNO
Multi Function Display or Ethernet HUB.
Note 1: Do not connect the LAN connector to on-board LAN.
Ex.1 Ex.2
Marine sealant Marine sealant
Hex. bolt
Flat washer
Flat washer
Spring washer
Hex. nut
Ground wire
Ground wire Hex. nut
Spring washer
Flat washer
Hex. nut
Weld here.
Fix the cable to this cable
clamp, using a cable tie.
Fix the cable to this cable
clamp, using a cable tie.
Ground wire from
the ship's ground
Ground wire from
the ship's ground
Cable assembly
Cable assembly
Power/LAN cable
Power/LAN cable
Ground wire from
the antenna unit
Ground wire from
the antenna unit
If the cable is run through a
radar mast and the bottom of the
unit, fix the cable to this cable
clamp.
If the cable is run through a
radar mast and the bottom of the
unit, fix the cable to this cable
clamp.
Cable cover - bottom view
Cable assembly
LAN connector
Ethernet HUB
OR
FURUNO Multi Function Display