Furuno DFF1 Reference Guide

NETWORK SOUNDER

DFF1

IMPORTANT NOTICES

• The descriptions in this manual are intended for readers with a good knowledge of English.

• No part of this manual may be copied or reproduced without written permission.

• If this manual is lost or worn, contact your dealer about replacement.

• The contents of this manual and equipment specifications are subject to change without notice.

• The example screens (or illustrations) shown in this manual may not match the screens you
see on your display. The screen you see depends on your system configuration and equipment
settings.

• Store this manual in a convenient place for future reference.

• FURUNO will assume no responsibility for the damage caused by improper use or modification
of the equipment (including software) by an unauthorized agent or a third party.

• Dispose of the equipment according to local regulations.

i

SAFETY INSTRUCTIONS

The user and installer must read the appropriate safety instructions before attempting to install
or operate the equipment.

Indicates a potentially hazardous situation which, if not avoided,

WARNING

CAUTION

Warning, Caution

Safety instructions for the operator

could result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury.

Prohibitive Action

Mandatory Action

WARNING

Do not open the equipment.

Only qualified personnel should work
inside the equipment.

Do not disassemble or modify the
equipment.

Fire, electrical shock or serious injury can
result.

Turn off the equipment immediately if
it is emitting smoke or fire.

Fire or electrical shock can result if the
power is left on.

Turn off the power immediately if water
leaks into the equipment or an object
is dropped inside the equipment.

Continued use can cause fire or electrical
shock.

Turn off the power immediately if you

feelthe equipment is acting abnormally.

If the equipment is very warm or is
emitting strange noises turn off the
power immediately and contact your
dealer for advice.

WARNING

WARNING

Do not operate the equipment with
wet hands.

Electrical shock can result.

Do not place liquid-filled containers
on the top of the equipment.

Electrical shock can result.

Do not install the network sounder unit
where it may be subjected to rain or
water splash.

Fire or electrical shock can result if water
gets inside the equipment.

Use the proper fuse.

Use of a wrong fuse can damage the
equipment and may cause fire.

A warning label is attached to the equipment.
Do not remove these labels. If a label is missing
or illegible, contact a FURUNO agent or dealer
about replacement.

To avoid electrical shock,
do not remove cover. No
user-serviceable parts

WARNING

Name: Warning Label (1)
Type: 86-003-1011-2
Code No.: 100-236-232

ii

CAUTION

Safety instructions for the installer

WARNING

Do not open the equipment.

Only qualified personnel should work
inside the equipment.

Turn off the power before beginning
the installation.

Fire or electrical shock can result if the
power is left on.

Confirm that is no water leakage at
the transducer and temperature
sensor.

Water leakage can sink the vessel. Also,
confirm that neither the transducer or
sensor will loosen by vibration. The
installer is solely responsible for the
installation.

Confirm that the power supply voltage
is within the rating of this equipment.

Incorrect voltage will damage the equip­ment and may cause fire.

WARNING

The transducer cable must be handled
carefully, following the guidelines
below.

• Keep fuels and oils away from the
cable.

• Locate the cable away from chemicals.

• Locate the cable away from locations

where it might be damaged.

Do not turn on the power with the
transducer exposed to air.

Damage to the transducer may result.

Observe the following compass safe
distances to prevent interference to a
magnetic compass:

Standard
compass

0.30 m 0.30 m

Steering

compass

iii

TABLE OF CONTENTS

SYSTEM CONFIGURATION ...........................................................................................v

1. MOUNTING ................................................................................................................. 1

1.1 Equipment Lists ..................................................................................................................1

1.2 Network Sounder................................................................................................................2

1.3 Transducer 520-5PSD, 520-5MSD.....................................................................................3

1.3.1 Mounting location.......................................................................................................3

1.3.2 Acceptable mounting locations ..................................................................................4

1.3.3 Installation procedure ................................................................................................4

1.4 Transducer 525-5PWD (transom mount) ...........................................................................6

1.4.1 Installation for flat hulls...............................................................................................6

1.4.2 Installation for deep-V hulls........................................................................................7

1.4.3 Transducer preparation..............................................................................................7

1.5 Inside Hull Mount................................................................................................................8

1.5.1 Necessary tools..........................................................................................................8

1.5.2 Remarks on installation..............................................................................................8

1.5.3 Selecting the mounting location .................................................................................8

1.5.4 Installation procedure.................................................................................................9

1.6 Optional Water Temperature Sensor ST-02MSB, ST-02PSB ..........................................10

1.7 Optional Temperature Sensors ........................................................................................11

1.7.1 Transom mount temperature sensor T-02MTB........................................................11

1.7.2 Thru-hull temperature sensor T-02MSB, T-03MSB .................................................12

1.8 Optionial Triducers ...........................................................................................................11

1.8.1 Thru-hull triducer 525ST-MSD .................................................................................13

1.8.2 Transom mount triducer 525ST-PWD......................................................................13

2. WIRING......................................................................................................................19

2.1 Optional Temperature/Speed Sensor, Temperature Sensor............................................20

2.2 Wiring Optional 1 kW Transducer.....................................................................................21

3. INITIAL SETTINGS, OPERATION............................................................................23

3.1 Selecting the Transmission Power ...................................................................................23

3.2 MODE SW ........................................................................................................................24

3.3 Operation Check (LED) ....................................................................................................25

4. MAINTENANCE......................................................................................................... 27

4.1 Maintenance .....................................................................................................................27

4.2 Replacing the Fuse...........................................................................................................28

PACKING LIST............................................................................................................ A-1

OUTLINE DRAWINGS ................................................................................................ D-1

INTERCONNECTION DIAGRAM ................................................................................ S-1

iv

SYSTEM CONFIGURATION

Network Sounder

DFF1

NavNet series

Radar

Plotter

NavNet series

Rectifier

PR-62

100/110/220/230 V AC ,
1φ, 50/60 Hz

12-24 VDC

Transducer
520-5PSD
525-5PWD
520-5MSD

Speed/temperature
sensor
ST-02MSB
ST-02PSB

HUB*

Transducer
50B-6/6B
50B-9B

Radar

Plotter

Radar

Plotter

Radar

Plotter

Matching Box

MB-1100

Transducer
200B-5S

1 kW

Transducer
50/200-1T
50/200-12M

Triducer
525ST-MSD
525ST-PWD

*: HUB may be connected to 3 sets of NavNet radar or plotter.

: Standard supply
: Optional supply
: External equipment

Temperature
sensor
T-02MTB
T-02MSB
T-03MSB

v

1. MOUNTING

1.1 Equipment Lists

Standard supply

Name Type Code No. Qty Remarks

Network Sounder DFF1 - 1
Spare Parts SP02-05201 001-007-860 1 set Fuse
Installation Materials CP02-08100 000-010-153 1 set Power cable, LAN cable,

Self-tapping screws

Optional supply

Name Type Code No. Remarks

Matching Box MB-1100 000-041-353 For 1 kW
Cable Assy. MJ-A6SPF0017-010C 000-159-704-11 1 m, for NavNet

MJ-A6SPF0017-100C 000-159-706-11 10 m, for NavNet
MJ-A6SPF0017-200C 000-159-707-11 20 m, for NavNet
MJ-A6SPF0017-300C 000-159-708-11 30 m, for NavNet

MJ-A6SRMD/TM11AP8-005 000-144-463 For HUB
Inner Hull Kit S 22S0191-2 000-802-598
Triducer 525ST-MSD 000-015-263 Thru-hull mount

525ST-PWD 000-015-261 Transom mount
Transducer 520-5PSD 000-015-204 Thru-hull mount

520-5PWD 000-015-126 Transom mount

520-5MSD 000-015-212 Thru-hull mount

50B-6 000-015-042 10 m, 1 kW

50B-6B 000-015-043 15 m, 1 kW

50B-9B 000-015-065 15 m, 1 kW

200B-5 000-015-027 10 m, 1 kW

200B-5S 000-015-029 10 m, 1 kW

50/200-1T 000-015-170 10 m, 1 kW

50/200-12M 000-015-171 10 m
Speed/Tempera-

ture Sensor

Temperature
Sensor

Cable Assy. 02S4147 000-141-082 For Speed/Temp sensor,

Rectifier PR-62 000-013-484 100 VAC

ST-02MSB 000-137-986 Thru-hull mount

ST-02PSB 000-137-987 Thru-hull mount

T-02MTB 000-040-026 Transom mount

T-02MSB 000-040-040 Thru-hull mount

T-03MSB 000-040-027

Temp. sensor

000-013-485 110 VAC
000-013-486 220 VAC

000-013-487 230 VAC

1

1.2 Network Sounder

The network sounder can be installed on a desktop, deck or on a bulkhead. When se­lecting a mounting location for the network sounder, keep the following in mind:

• The temperature and humidity should be moderate and stable.

• Locate the unit away from exhaust pipes and vents.

• The mounting location should be well ventilated.

• Mount the unit where shock and vibration are minimal.

• Keep the unit away from electromagnetic field-generating equipment such as
motors and generators.

• Leave slack in cables for maintenance and servicing ease.

• A magnetic compass will be affected if the network sounder is placed too close to it.
Observe the compass safe distances noted in the safety instructions to prevent dis­turbance to the magnetic compass.

• Fasten the network sounder to the mounting location with four self-tapping screws
(4×20).

2

1.3 Transducer 520-5PSD, 520-5MSD

1.3.1 Mounting location

.The performance of this sounder is directly related to the mounting location of the
transducer, especially for high-speed cruising. The installation should be planned in
advance, keeping the standard cable length and the following factors in mind:

• When the boat has a keel, the transducer should be at least 15-30 cm away from it.
Typical thru-hull mountings are shown in the figure on the next page.

• Air bubbles and turbulence caused by movement of the boat seriously degrade the
sounding capability of the transducer. The transducer should, therefore, be located
in a position where water flow is the smoothest. Noise from the propellers also
adversely affects performance and the transducer should not be mounted nearby.
The lifting strakes are notorious for creating acoustic noise, and these must be
avoided by keeping the transducer inboard of them.

• The transducer must always remain submerged, even when the boat is rolling,
pitching or up on a plane at high speed.

• A practical choice would be somewhere between 1/3 and 1/2 of the boat's length
from the stern. For planing hulls, a practical location is generally rather far astern,
so that the transducer is always in water regardless of the planing attitude.

22

120

30

All dimensions
in millimeters

68

520-5PSD

120

28

68

520-5MSD

Dimensions of transducers 520-5PSD, 520-5MSD

24

Ship's
bow

87

3

1.3.2 Acceptable mounting locations

g

Deep-V hull

* Position 1/2 to 1/3 length of the hull from stern.
* 15-30 cm from center line (inside first liftin

Transducer mounting location on deep-V hull

High speed V-planing hull

strakes).

* Within the wetted bottom area
* Deadrise angle within 15°

Transducer mounting location on high speed V-planing hull

4

1.3.3 Installation procedure

1. With the boat hauled out of the water, mark the location selected for mounting the

transducer on the bottom of the hull.

If the hull is not level within 15° in any direction, fairing blocks made out of teak
should be used between the transducer and hull, both inside and outside, to keep
the transducer face parallel with the water line. Fabricate the fairing block as
shown below and make the entire surface as smooth as possible to provide an
undisturbed flow of water around the transducer.

The fairing block should be smaller than the transducer itself to provide a channel
to divert turbulent water around the sides of the transducer rather than over its
face.

Hole for
stuffing tube

Upper
half

Lower
half

Saw along slope of hull.

Construction of fairing block

2. Drill a hole just large enough to pass the threaded stuffing tube of the transducer

through the hull, making sure it is drilled vertically.

3. Apply a sufficient amount of high quality caulking compound to the top surface of

the transducer, around the threads of the stuffing tube and inside the mounting
hole (and fairing blocks if used) to ensure watertight mounting.

4. Mount the transducer and fairing blocks and tighten the locking nuts. Be sure that

the transducer is properly oriented and its working face is parallel to the water line.

BOW

Flat washer

Rubber

Fairing block

washer

Hull bottom

Hull
bottom

Deep-V Hull

Note: Do not over-stress the stuffing tube and locking nuts through excessive tighten­ing, since the wood block will swell when the boat is placed in the water. It is suggested
that the nut be tightened lightly at installation and retightened several days after the
boat has been launched.

Flat Hull

5

1.4 Transducer 525-5PWD (transom mount)

This type of mounting is very commonly employed for outboard motor boats. Do not
use this method on an inboard motor boat because turbulence is created by the pro­peller ahead of the transducer.

There are two methods of installation: flush with hull (for flat hulls) and projecting from
hull (for deep V-hulls).

Flat Hull

Transom mount transducer mounting locations

1.4.1 Installation for flat hulls

A suitable mounting location is at least 50 cm away from the engine and where the
water flow is smooth.

1. Drill four pilot holes in the mounting location.

2. Attach the transducer to the bracket with self-tapping screws (supplied).

3. Adjust the transducer position so the transducer faces right to the seabed.

Note: If necessary, to improve water flow and minimize air bubbles staying on the
transducer face, incline the transducer about 5° at the rear. This may require a
certain amount of experimentation for fine tuning at high cruising speeds.

4. Fill the gap between the wedge front of the transducer and transom with epoxy

material to eliminate any air spaces.

Deep V -hull

M5x20

Tape

Transom mount transducer, mounting flush with hull

6

1.4.2 Installation for deep-V hulls

This method is employed on deep-V hulls and provides good performance because
the effects of air bubbles are minimal. Install the transducer parallel with water surface;
not flush with hull. If the boat is placed on a trailer care must be taken not to damage
the transducer when the boat is hauled out of the water and put on the trailer.

M5x20

M5x20

No.2

Transom mount transducer, projecting from hull

1.4.3 Transducer preparation

Before putting the boat in water, wipe the face of the transducer thoroughly with a de­tergent liquid soap. This will lessen the time necessary for the transducer to have good
contact with the water. Otherwise the time required for complete "saturation" will be
lengthened and performance will be reduced.

Note: Do not paint the transducer. Performance will be affected.

M5x14

7

1.5 Inside Hull Mount

This mounting method is available for FRP boats.

1.5.1 Necessary tools

You will need the following tools:

• Sandpaper (#100)

• Silicone sealant

• Silicone grease

1.5.2 Remarks on installation

• Turn off the engine and anchor the boat while installing the equipment.

• Install the transducer in the engine room.

1.5.3 Mounting location

Keep the following points in mind when selecting a mounting location:

• The mounting location should be where the hull is of single-hull thickness and is
void of air or flotation materials other than solid fiberglass between the transducer
face and the water.

• Do not place the transducer over hull struts or ribs which run under the hull.

• Avoid a location where the rising angle of the hull exceeds 15°, to minimize the
effect of the boat's rolling.

• You will finalize the mounting location through some trial and error. The procedure
for this is shown later.

Center line

50cm
50cm

Inside-hull transducer mounting location

1/2

15cm
15cm

1/3

Mounting location
for transducer

8

1.5.4 Installation procedure

1. Clean the transducer face to remove any foreign material. Lightly roughen the

transducer face with #100 sandpaper. Also, roughen the inside of the hull where
the transducer is to be mounted.

2. Warm the silicone sealant to 40°C before usage to soften it. Coat the transducer

face and mounting location with silicone sealant.

Transducer face

Coating the transducer face with silicone sealant

3. Press the transducer firmly down on the hull and gently twist it back and forth to

remove any air which may be trapped in the silicone sealant.

Twist to squeeze out air bubbles.

Silicone sealant

Silicone sealant

Hull

Attaching transducer to hull with silicone sealant

4. Connect this unit to NavNet equipment and turn on the NavNet equipment.

5. Set up the NavNet equipment to show “single frequency display”.

6. Set the gain to “50”.

7. Set the range to “10”.

Case 1

The installation is proper if the bottom echo is displayed in red and the depth indi­cation is shown. Go to step 9.

Case 2

The bottom echo is not displayed in red when ultrasound attenuation is great. Re­locate the transducer as shown in step 8

8. Re-locating the transducer.

1) Turn off the power.

2) Detach the transducer. Insert a knife or wooden stick under transducer to
remove it

3) Repeat steps 1 thru 7.

9. Fix the transducer.

9

1.6 Optional Water Temperature Sensor ST-02MSB, ST-02PSB

Select a suitable mounting location considering the following points:

• Select a mid-boat flat position. The sensor does not have to be installed perfectly

perpendicular. The sensor must not be damaged in dry-docking operation.

• Select a place apart from equipment generating heat.

• Select a place in the forward direction viewing from the drain hole, to allow for circu-

lation of cooling water.

• Select a place free from vibration.

Procedure

1. Dry-dock the boat.

2. Make a hole of approx. 51 mm in diameter in the mounting location.

3. Unfasten locknut and remove the sensor section.

4. Apply high-grade sealant to the flange of the sensor.

5. Pass the sensor casing through the hole.

6. Face the notch on the sensor toward boat's bow and tighten the flange.

7. Set the sensor section to the sensor casing and tighten the locknut.

8. Launch the boat and check for water leakage around the sensor.

Locknut

Face "notch"
toward bow.

Flange nut

Coat with
silicone sealant.

Speed/Temperature sensor ST-02MSB, ST-02PSB

Brim

51

φ77

123

10

1.7 Optional Temperature Sensors

1.7.1 Transom mount temperature sensor T-02MTB

• Fix the cable at a convenient location with cable clamp.

• When the cable is led in through the transom board, make a hole of approx. 17 mm

in diameter to pass the connector. After passing the cable, fill the hole with a seal­ing compound.

D>50cm

D

M5x20

Mount sensor
flush with hull bottom.

Temperature sensor T-02MTB

11

1.7.2 Thru-hull temperature sensor T-02MSB, T-03MSB

Select a suitable mounting location considering the following points:

• Select a mid-boat flat position. The sensor does not have to be installed perfectly

perpendicular. However, the location should not be such that the transducer may be
damaged when the boat is dry-docked.

• Locate away from equipment which gives off heat.

• Locate away from drain pipes.

• Select a location where vibration is minimal.

Sensor Holder

Sensor
Cable

Locknut
Locknut
Washer
Rubber Gasket

φ21 mm

Locknut
Washer

Rubber Gasket

Apply sealant.

Apply sealant.

Thicker
than 25 mm

T-02MSB

Holder Guide

T-03MSB

Assembling temperature sensor T-02MSB, T-03MSB

12

1.8 Optional Triducers

1.8.1 Thru-hull triducer 525ST-MSD

See section 1.2 for how to install the 525ST-MSD.

φ

79 mm

133 mm

2.00

Thread

f

27 mm

°

51 mm

140 mm

1.8.2 Transom mount triducer 525ST-PWD

Pre-test for speed and temperature

Connect the sensor to the instrument and spin the paddlewheel. Check for a speed
reading and the approximate air temperature. If there is no reading, return the sensor
to your place of purchase.

Tools and materials needed

7 mm

Unit: mm

• Scissors

• Masking tap

• Safety goggles

• Dust mask

• Electric drill

• Drill bit for:

- Bracket holes: 4mm, #23, or 9/64"

- Fiberglass hull: chamfer bit (preferred), 6mm, or 1/4"

- Transom hole: 19mm or 3/4" (optional)

- Cable clamp holes: 3mm or 1/8"

• Screwdrivers

13

• Straight edge

ht

H
s
1

H
s
2

d

• Marine sealant

•Pencil

• Zip-ties

• Water-based antifouling paint (mandatory in salt water).

Mounting location

To ensure the best performance, the sensor must be submerged in aeration-free and
turbulence-free water. Mount the sensor close to the centerline of the boat. On slower
heavier displacement hulls, positioning it farther from the centerline is acceptable.

Allow adequate space above the bracket for it to release and rotate the sensor up­ward.

eight without
peed sensor
91mm (7-1/2")

eight with
peed sensor
13mm (8-1/2")

Heig

Height required at mounting location

Note 1: Do not mount the sensor in an area of turbulence or bubbles: near water in­take or discharge openings; behind strakes, struts, fittings, or hull irregularities; behind
eroding paint (an indication of turbulence).

Note 2: Avoid mounting the sensor where the boat may be supported during trailering,
launching, hauling, and storage.

Note 3: For single drive boat, mount on the starboard side at least 75 mm (3") be­yond the swing radius of the propeller.

75 mm (3")
minimum beyon
swing radius

Mounting location on single drive boat

Note 4: For twin drive boat, mount between the drives.

14

Installation of bracket

Align template vertically.

le

ull

1. Cut out the installation template (enclosed with transducer) along the dotted line.

2. At the selected location, position the template, so the arrow at the bottom is
aligned with the bottom edge of the transom. Being sure the template is parallel to
the waterline, tape it in place.

Deadrise ang

Slope of h
parallel to

waterline
Align template arrow with
bottom edge of transom.

Positioning the template

Warning: Always wear safety goggles and a dust mask.

3. Using a 4 mm, #23, or 9/64" bit, drill three holes 22 mm (7/8") deep at the loca­tions indicated. To prevent drilling too deeply, wrap masking tape around the bit 22
mm (7/8") from the point.
Fiberglass hull: Minimize surface cracking by chamfering the gelcoat. If a cham­fer bit or countersink bit is not available, start drilling with a 6mm or 1/4" bit to a
depth of 1 mm (1/16").

4. If you know your transom angle, the bracket is designed for a standard 13

° tran-

som angle.
11

°-18° angle: No shim is required. Skip to step 3 in "Adjusting".

Other angles: The shim is required. Skip to step 2 of "Adjusting".
If you do not know the transom angle, temporarily attach the bracket and sensor to
the transom to determine if the plastic shim is needed.

5. Using the three #10 x 1-1/4" self-tapping screws, temporarily screw the bracket to
the hull. DO NOT tighten the screws completely at this time. Follow the step 1-4 in
"Attaching the sensor to the bracket", before proceeding with "Adjusting".

15

Attaching the sensor to the bracket

)

1. If the retaining cover near the top of the bracket is closed, open it by depressing
the latch and rotating the cover downward.

Step 1

Latch

Retaining
cover

Step 3

Step 2

Pivot
arm (2)

Slot (2

Step 4

Attaching the sensor to the bracket

2. Insert the sensor's pivot arms into the slots near the top of the bracket.

3. Maintain pressure until the pivot arms click into place.

4. Rotate the sensor downward until the bottom snaps into the bracket.

5. Close the retaining cover to prevent the accidental release of the sensor when the
boat is underway.

Adjusting

1. Using a straight edge, sight the underside of the sensor relative to the underside
of the hull. The stern of the sensor should be 1-3 mm (1/16-1/8") below the bow of
the sensor or parallel to the bottom of the hull.

Note: Do not position the bow of the sensor lower than the stern because aeration
will occur.

2. To adjust the sensor's angle relative to the hull, use the tapered plastic shim pro­vided. If the bracket has been temporarily fastened to the transom, remove it. Key
the shim in place on the back of the bracket.

°-10° transom angle (stepped transom and jet boats): Position the shim with

2

the tapered end down.

16

19°-22° transom angle (small aluminum and fiberglass boats): Position the

p

")

shim with the tapered end up.

2°-10°

transom

angle

shim with
taper down

11° transom angle

NO SHIM

YES

parallel

12°-18° transom angle

NO

angle
reversed

YES

parallel

NO SHIM

YES

slight
angle

19°-22°

transom

angle

shim with
taper up

YES

parallel

NO

angle
too stee

Sensor position and transom angle

3. If the bracket has been temporarily fastened to the transom, remove it. Apply a
marine sealant to the threads of the three #10 x 1-1/4" self-tapping screws to pre­vent water seeping into the transom. Screw the bracket to the hull. Do not tighten
the screws completely at this time.

4. Repeat step 1 to ensure that the angle of the sensor is correct.

Note: Do not position the sensor farther into the water than necessary to avoid
increasing drag, spray, and water noise and reducing boat speed.

5. Using the vertical adjustment space on the bracket slots, slide the sensor up or
down to provide a projection of 3 mm (1/8”). Tighten the screws.

Cable cover

Cable
clamp

50 mm (2

Hull projection 3 mm (1/8")

Vertical adjustment and cable routing

17

Cable routing

Route the sensor cable over the transom, through a drain hole, or thorough a new hole
drilled in the transom above the waterline.

Never cut the cable or remote the connector; this will void the warranty. Always wear
safety goggles and a dust mask.

1. If a hole must be drilled, choose a location well above the waterline. Check for
obstructions such as trim tabs, pumps, or wiring inside the hull. Mark the location
with a pencil. Drill a hole through the transom using a 19 mm or 3/4" bit (to accom­modate the connector).

2. Route the cable over or through the transom.

3. On the outside of the hull secure the cable against the transom using the cable
clamps. Position a cable clamp 50 mm (2") above the bracket and mark the
mounting hole with a pencil.

4. Position the second cable clamp halfway between the first clamp and the cable
hole. Mark this mounting hole.

5. If a hole has been drilled in the transom, open the appropriate slot in the transom
cable cover. Position the cover over the cable where it enters the hull. Mark the
two mounting holes.

6. At each of the marked locations, use a 3 mm or 1/8" bit to drill a hole 10 mm (3/8")
deep. The prevent drilling too deeply, wrap masking tape around the bit 10 mm (3/
8") from the point.

7. Apply marine sealant to the threads of the #6 x 1/2" self-tapping screw to prevent
water from seeping into the transom. If you have drilled a hole through the tran­som, apply marine sealant to the space around the cable where it passes through
the transom.

8. Position the two cable clamps and fasten them in place. If used, push the cable
cover over the cable and screw it in place.

9. Route the cable to the instrument being careful not to tear the cable jacket when
passing it though the bulkhead(s) and other parts of the boat. To reduce electrical
interference, separate the sensor cable from other electrical wiring and "noise"
sources. Coil any excess cable and secure it in place with zip-ties to prevent dam­age.

18

2. WIRING

Connect the power cable, transducer cable, external equipment and ground wire as
shown in the figure below.

DFF1

NETWORK

MODE SW
1 2 3 4

XDR 12-24 VDC

1.1-0.4 A

+

1

3 GND

NAVNET
or HUB

MJ-A6SAPF-0017-050C. 5 m
(10/15/20/30 m, option)

TRANSDUCER

Black

BATTERY

12-24 VDC

GROUND WIRE
IV-1.25sq

GROUND

White

Shield (green)

DFF1, rear view

Ground

Connect the ground wire (1.25sq) to ship's ground to prevent interference to the pic­ture. Shorten the ground wire as much as possible. For FRP vessels, install a ground
plate that measures about 20 cm by 30 cm on the outside of the hull bottom to provide
a ground point.

CAUTION

Ground the equipment
to prevent mutual
interference.

Note: Use a "closed-type" lug ( ) to make the ground connection at the network
sounder. Do not use an "open-type" lug ( ).

External KP

Consult with your dealer if connection of an external KP is required to reduce interfer­ence from another transducer.

19

2.1 Optional Temperature/Speed Sensor, Temperature Sensor

Connect the temperature/speed sensor or temperature sensor to the XDR port with
the converter connector (Type: 02S4147, Code No.: 000-141-082, option).

Temperature
sensor OR
Temperature/
speed
sensor

Transducer

MJ-A6SRMD

SHIELD
TEMP
TEMP0V/SPD0V
SPD
+V
NC

MJ-A10SRMD

NC
NC
NC
NC
NC
NC
NC
XDR+
XDR SHIELD
XDR-

MJ-A10SPF

1
2
3
4
5
6

1
2
3
4
5
6
7
8
9

10

4
7
3
1
2
5
6
8
9

10

Connection of temperature/speed sensor

TEMP
TEMP0V
SPD0V/ SHIELD
SPD
+V
NC
NC
XDR+
XDR SHIELD
XDR-

XDR port on the
DFF1

Connect to XDR port
at network sounder

MJ-A10SPF

MJ-A6SRMD MJ-A10SRMD

Tape connector with
self-vulcanizing tape
and then vinyl tape
to waterproof
connector. Bind tape
end with cable tie.

Temperature, Speed/temperature

Transducer connector

sensor connector

Connection of transducer, temperature sensor, speed/temperature sensor

20

2.2 Wiring Optional 1 kW Transducer

To connect optional transducer 50B-6, 50B-6B, 50B-9B, 200B-5, 200B-5S, 50/200-1T
or 50/200-12M, the optional Matching Box MB-1100 is required.

Jumper block setting
J2: Full power output
J1: Reduced power output

Shield

BLK

TO NETWORK SOUNDER
(Cable is fitted with
8P connector. 8P-10P
converter connector is
required.)

50B-6/6B
50B-9B

200B-5S

50/200-1T

or

50/200-12M

50kHz

200kHz

(SHIELD)

(RED)

(BLU)

(GRN)

(BLK)

SHIELD

RED
RED

BLK

BLK

TB2

TB2

1
2
3
4
5

J2 J1

1
2
3
4
5

50K
200K
Common
Common

02P6168

TB1

3
2
1

WHT

Matching Box MB-1100

Matching Box Kit (Type: MB-1100, Code No.: 000-041-353)

Name Type Code No. Qty Remarks

Matching Box MB-1100 000-041-000 1 Cable w/8P connector sup-

plied for connection to net­work sounder

Crimp-on Lug FV1.25-3 Red 000-538-113 6

Cord Lock NC-1 000-516-650 1 For use with separate trans-

ducer

Fabrication of transducer cable

Fabricate the transducer cable as illustrated below to connect it to the Distribution Box.

Vinyl sheath

Crimp-on lug
FV1.25-3, Red

Clamp here.

Shield

Taping

Vinyl tube

Fabrication of transducer cable

21

This page is intentionally left blank.

22

3. INITIAL SETTINGS, OPERATION

WARNING

Do not open the equipment
unless totally familiar with
electrical circuits and
service manual.

Only qualified personnel
should work inside the
equipment.

3.1 Selecting the Transmission Power

The default transmission power is 600 W. If the 1 kW transducer is installed, turn on
the #1 segment of DIP SW S2 on the pcb 02P6353 inside the network sounder.

1. Detach the power cable.

2. Detach the cover of the DFF1; grasp the cover at opposing sides with hands, pull

outward slightly and lift up to detach.

3. Loosen three screws fixing the inside cover, and slide cover forward to detach it.

4. Set the #1 segment of DIP SW S2 according to transducer connected.

OFF

02P6353

4 3 2 1

J17

S2

600 kW transducer

ON

OFF

LAN connector

4 3 2 1

1 kW transducer

PCB 02P6353

5. Close the inside and outside covers and connect the power cable.

23

ON

3.2 MODE SW

The MODE switch provides the functions described in the table below. Remove the
rubber cap to access the switch and set switches with a plastic screwdriver or the like.

NETWORK

MODE SW
1 2 3 4

↓

ON

1 2 3 4

XDR 12-24 VDC

+

1

1.1-0.4 A

OFF

ON

1 2 3 4

Description of MODE SW

3 GND

2 -

SW
No.

1

(Default:ON)

2

Default: OFF)

3

Default: OFF)

4

(Default: ON)

Function, description Setting content

Power from NavNet OFF: Sounder powered on/off by NavNet

ON: Sounder not powered on/off by NavNet

IP number
(Currently no use)

OFF: IP0
ON: IP1

Factory testing OFF: Testing OFF

ON: Testing ON

Automatic IP setting
(Currently no use)

OFF: Automatic IP enabled
ON: Automatic IP disabled

24

3.3 Operation Check (LED)

The network sounder is powered on/off from ship’s switchboard. The LED on the net­work sounder lights or flashes according to equipment state, as described in the table
below.

LED state Meaning

Lighting continuously* NavNet is not showing the sounder display, or

Flashing every two seconds Normal operation

Flashing every four seconds Factory test mode

* The LED lights for approximately 20 seconds after turning on the power while the

equipment is being initialized

.

sounder is not connected to NavNet

LED

DFF1, top view

25

This page is intentionally left blank.

26

4. MAINTENANCE

WARNING

Do not open the equipment
unless totally familiar with
electrical circuits and
service manual.

Only qualified personnel
should work inside the
equipment.

4.1 Maintenance

Regular maintenance is essential for good performance. Check the items listed in the
table below monthly to help keep your equipment in good shape for years to come.

Checking

Item Action

Transducer cable Check that cable is tightly fastened and is not damaged.

Replace if damaged.

Power cable, transducer
cable plug

Ground Check for corrosion. Clean if necessary.

Power supply voltage Check voltage. If out of rating correct problem.

Cleaning the network
sounder’s cabinet

Transducer Marine life on the transducer face will result in a gradual

Check that they are tightly fastened and not damaged.
Refasten if necessary. Replace if damaged.

Dust or dirt on the cabinet may be removed with a dry cloth.
Do not use chemical-based cleaners to clean the cabinet;
they can remove paint and markings.

decrease in sensitivity. Check the transducer face for
cleanliness each time the boat is dry-docked. Carefully
remove any marine life with a piece of wood or fine-grade
sandpaper.

27

4.2 Replacing the Fuse

The two 3 A fuses (Type: FGBO-A 125V 3A PBF, Code No. 000-155-850-10) in the
snap-in fuse holder on the power cable protect the equipment from equipment fault
and reverse polarity of the ship's mains. If the equipment cannot be powered, a fuse
may have blown. Find out the cause for blown fuse before replacing a fuse. If a fuse
blows again after replacement, contact a FURUNO agent or dealer for advice.

WARNING

Use the proper fuse.

Use of a wrong fuse can result in damage
to the equipment or cause fire.

28

FURUNO

DFF1

SPECIFICATIONS OF THE NETWORK SOUNDER

DFF1

1. GENERAL

1.1. Output Power 600 W/ 1 kW rms nominal, 1 kW requires optional MB-1100

1.2. TX Frequency 50 kHz or 200 kHz, 50/200 kHz exchangeable

1.3. Amplifier type Wide dynamic linear amp (double superheterodyne)

1.4. Network protocol Ethernet 100/10BASE-TX

1.5. Depth Range and Pulse Repetition Rate

Range (m) PRR ( /min.)

2 3000

5 3000

10 1990

40 485

100 195

200 95

400 65

1200 34

2. POWER SUPPLY

12-24 VDC: 1.1-0.4 A (at 1 kW output)

3. ENVIRONMENTAL CONDITION

3.1. Ambient Temperature -15°C to +55°C

3.2. Relative Humidity 93% at 40°C

3.3. Dustproofing, waterproofing IP20 (not waterproof)

(IEC60529)

3.4. Vibration (IEC 60945 Ed4)

- 2-5 Hz and up to 13.2 Hz with an excursion of ±1 mm ±10 %

2

(7 m/s

- 13.2-100 Hz with a constant maximum acceleration of 7 m/s

maximum acceleration at 13.2 Hz)

2

4. COATING COLOR

4.1. Main Unit N3.0

SP - 1 E2036S01A

ＰＡＣＫＩＮＧ ＬＩＳＴ

A-1

DFF1‑J/E

02GB‑X‑9851 ‑1

1/1

NAME

OUTLINE

DESCRIPTION/CODE№

ユニット UNIT

ﾈｯﾄﾜｰｸ魚探

NETWORKSOUNDER

DFF1

000‑010‑154‑00

予備品 SPAREPARTS SP02‑05201

ﾋｭｰｽﾞ

FUSE

FGBO‑A125V3APBF

000‑155‑850‑10

工事材料 INSTALLATIONMATERIALS CP02‑08100

ｹｰﾌﾞﾙ組品MJ

POWERCABLEASSY.

MJ‑A3SPF0028‑035C

000‑164‑952‑10

ｹｰﾌﾞﾙ組品MJ

CABLEASSY.

MJ‑A6SPF0017‑050C

000‑159‑705‑11

+ﾄﾗｽﾀｯﾋﾟﾝﾈｼﾞ 1ｼｭ

SELF‑TAPPINGSCREW

4X20SUS304

000‑158‑850‑10

図書 DOCUMENT

取扱説明書

OPERATOR'SMANUAL

OM*‑20360‑*

000‑164‑956‑0*

Q'TY

1

2

1

1

4

1

**

ｺ-ﾄﾞ番号末尾の[**]は、選択品の代表ｺｰﾄﾞを表します。
CODENUMBERENDINGWITH"**"INDICATESTHECODENUMBEROFREPRESENTATIVEMATERIAL.

型式/ｺｰﾄﾞ番号が２段の場合、下段より上段に代わる過渡期品であり、どちらかが入っています。 なお、品質は変わりません。
TWOTYPESANDCODESMAYBELISTEDFORANITEM.THELOWERPRODUCTMAYBESHIPPEDINPLACEOFTHEUPPER

PRODUCT.QUALITYISTHESAME.

（略図の寸法は、参考値です。DIMENSIONSINDRAWINGFORREFERENCEONLY.）

02GB‑X‑9851

D-1

D-2

MJ-A10SRMD

S-1

10

XDR-

9

XDR SHIELD

8

XDR+

7

TEMP0V

6

NC

5

NC

4

TEMP

3

SPD0V/SHIELD

2

*2,*7

E_RD_P

E_RD_N

E_TD_PNCSHIELD

指示部

DISPLAY UNIT

(NAVNET: NAV1,VX2)

43

*3

MJ-A6SPF

123

P

(1/5/10/20/30m *2)

MJ-A6SPF0017-050C,5m,φ6.0MJ-A3SPF0028-035C,3.5m

E_TD_N

4

P

5

6

スイッチングハブ

SWITCHING HUB

HUB-100

RJ-45

MJ-A6SRMD/TM11AP8

0.5m

*2

6P6P

+12V

1

SPD

J2

XDR

MJ-A10SPF

7

TEMP0V

4

TEMP

XDR

10

XDR-

9

XDR SHIELD

8

XDR+

7

TEMP0V

6

NC

5

NC

4

TEMP

3

SPD0V/SHIELD

2

+12V

1

SPD

XDR

*4

02S4147

10
9
8

1

6
5
4
3
2
1

MJ-A6SRMD

6
5
4
3
2
1

MJ-A6SRMD

*2

520-5PSD

ST-02MSB

T-02MTB

520ST-PWD

524ST-MSD

525ST-MSD

520-5PWD

520-5MSD

送受波器

ST-02PSB

水温・船速センサー

*5

*2 *2

T-03MSB

T-02MSB

温度センサー

525ST-PWD

水温・船速センサー付

送受波器

TRANSDUCER

TEMP/SPEED SENSOR

TEMP SENSOR

TRANSDUCER W/ SENSOR

相互結線図

ネットワーク魚探

DFF1

名称

TITLE

NETWORK SOUNDER

NAME

INTERCONNECTION DIAGRAM

*3

P

P

RJ-45

123

4

567

8

J5

TXP

TXN

RXP

(+)

1

シロ WHT

(-)

2

クロ BLK

P_SW_P

SHIELD

3

GRN

ミドリ

NETWORK

NETWORK SOUNDER

ネットワーク魚探

DFF1

12-24VDC

J1

2

*3

MJ-A3SPF

FUSE 3A

P_SW_N

3
256 1

NC

RXN

（－）GND
（＋）

整流器

NC

*2

RECTIFIER

IV-1.25sq.

PR-62

*1

XDR­XDR SHIELD
XDR+
TEMP0V
NC
NC
TEMP
SPD0V/SHIELD
+12V
SPD

J4

XDR

*2

MJ-A10SPF

10
9
8
7
6
5
4
3
2
1

*1

IV-8sq.

XDR

DFF1

10P

MJ-A10SPF

02S4089

MB-1100

8P

8P

8m±0.5m

COMMON

5

COMMON
200K

3 4

50K

2

FG

1

*6

MB-1100

FM-214-8P

520-5MSD

520-5PSD

BLK
GRN
BLU
RED

200K
COMMON
FG

1

50K
COMMON

52 43

520-5PWD

*2

TRANSDUCER

送受波器

クロ
ミドリ
アオ

H

アカ

L

50/200-1T

200B-5/5S

50B-6/6B

50B-6G/9B

kg

MASS

TAKAHASHI.T

E.MIYOSHI

Y. Hatai

C2036-C01- A

50/200-12M

Jan.31,'07

DRAWN

CHECKED

APPROVED

SCALE

DWG.No.

DPYC-1.5 *1

1

12-24VDC

100/110/

A

220/230VAC,

1φ,50/60Hz

＊５）どちらか一方のみ

＊１）造船所手配注記＊２）オプション

＊４）変換ケーブル組品が必要

＊３）工場にて取付済み

B

＊６）DFF1内部でジャンパーコネクタ切換が必要

市販のストレートケーブルを使用する。

＊７）AUTO MDI/MDI-Xに対応していない市販のHUBを使用するときは、

NOTE

*1. SHIPYARD SUPPLY.

C

*3. FITTED AT FACTORY.

*2. OPTION.

*5. EITHER ONE CAN BE CONNECTED.

*4. THREE-WAY CONVERSION CABLE NEEDED (OPTION).

*6. CHANGE JUMPER CONNECTOR IN THE DFF1.

*7. IF A COMMERCIAL HUB NOT HAVING AUTO MDI/MDI-X IS USED,

USE COMMERCIAL STRAIGHT LAN CABLE (CAT5).

9-52 Ashihara-cho,9-52 Ashihara-cho,

A

A

*

00016495710

**00016495710

*

*

00016495710

**00016495710

*

Nishinomiya 662-8580, JAPANNishinomiya 662-8580, JAPAN

Telephone :Telephone : [phone]-65-2111

FaxFax 0798-65-42000798-65-4200

::

The paper used in this manual
is elemental chlorine free.

FURUNO Authorized Distributor/DealerFURUNO Authorized Distributor/Dealer

ll rights reserved.

ll rights reserved.

Pub. No.Pub. No. OME-20360OME-20360

(( HIMAHIMA ))

DFF1DFF1

Printed in JapanPrinted in Japan

FIRST EDITION :FIRST EDITION : FEB.FEB. 20072007

* 0 0 0 1 6 4 9 5 7 1 0 ** 0 0 0 1 6 4 9 5 7 1 0 *