Furuno Boating Equipment SC 50 User Manual
SATELLITE COMPASS  
SC-50  
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SAFETY INSTRUCTIONS  
Safety Instructions for the Operator  
Safety Instructions for the Installer  
WARNING  
WARNING  
ELECTRICAL SHOCK HAZARD  
Do not open the equipment.  
WARNING  
WARNING  
Turn off the power at the switchboard  
before beginning the installation.  
Only qualified personnel  
should work inside the  
equipment.  
Fire or electrical shock can result if the  
power is left on.  
Do not install the equipment where it  
may get wet from rain or water splash.  
Do not disassemble or modify the  
equipment.  
Water in the equipment can cause fire,  
electrical shock or damage to the equipment.  
Fire, electrical shock or serious injury can  
result.  
Immediately turn off the power at the  
switchboard if the equipment is emitting  
smoke or fire.  
NOTICE  
NOTICE  
Observe the following compass safe  
distances to prevent interference to a  
magnetic compass:  
Continued use can cause fatal damage to  
the equipment. Contact a FURUNO agent  
for service.  
Standard  
Compass  
Steering  
Compass  
Do not place liquid-filled containers on  
the top of the processor unit.  
Display unit  
SC-502  
Processor unit  
SC-501  
Antenna unit  
SC-303  
Antenna unit  
SC-603  
0.5 m  
1.3 m  
0.3 m  
0.3 m  
0.3 m  
0.8 m  
0.3 m  
0.3 m  
Fire or electrical shock may result if the  
liquid enters the equipment.  
Use the proper fuse.  
Use of a wrong fuse can damage the  
equipment and cause fire.  
WARNING LABEL  
A warning label is attached to the  
processor unit. Do not remove the label.  
If the label is missing or damaged,  
contact a FURUNO agent or dealer  
about replacement.  
CAUTION  
CAUTION  
No one navigation device should ever  
be solely replied upon for the navigation  
of a vessel.  
WARNING LABEL  
Always confirm position against all avail-  
able aids to navigation (incl. nautical charts),  
for safety of vessel and crew.  
WARNING  
To avoid electrical shock, do not  
remove cover. No user-serviceable  
parts inside.  
Name:  
Warning Label (1)  
Type:  
86-003-1011-0  
Code No.: 100-236-230  
i
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TABLE OF CONTENTS  
FOREWORD ..................................................................................................................iv  
SYSTEM CONFIGURATION ...........................................................................................v  
EQUIPMENT LIST..........................................................................................................vi  
1 PRINCIPLE OF OPERATION................................................................................. 1-1  
2 INSTALLATION...................................................................................................... 2-1  
2.1 Mounting Considerations..................................................................................................... 2-1  
2.1.1 Antenna unit............................................................................................................. 2-1  
2.1.2 Display unit, processor unit...................................................................................... 2-3  
2.2 Installing the Antenna Units................................................................................................. 2-4  
2.2.1 Antenna unit SC-303 ............................................................................................... 2-4  
2.2.2 Antenna unit SC-603 ............................................................................................... 2-7  
2.3 Installing the Processor Unit.............................................................................................. 2-12  
2.3.1 Deck, bulkhead mount........................................................................................... 2-12  
2.3.2 Installation on the underside of a desk.................................................................. 2-13  
2.4 Installing the Display Unit .................................................................................................. 2-14  
2.4.1 Desktop, overhead mounting................................................................................. 2-14  
2.4.2 Flush mount ........................................................................................................... 2-14  
2.5 Wiring................................................................................................................................. 2-16  
2.6 Initial Settings .................................................................................................................... 2-19  
2.6.1 Confirming satellite status; choosing mounting method........................................ 2-19  
2.6.2 Choosing heading source...................................................................................... 2-20  
2.7 Connection of External Equipment.................................................................................... 2-21  
2.7.1 General wiring........................................................................................................ 2-21  
2.7.2 Fabrication of cables.............................................................................................. 2-22  
3 OPERATION........................................................................................................... 3-1  
3.1 Controls................................................................................................................................ 3-1  
3.2 Turning the Power On/Off.................................................................................................... 3-2  
3.3 Panel Illumination, Display Contrast.................................................................................... 3-2  
3.4 Choosing a Display.............................................................................................................. 3-3  
3.4.1 Description of displays............................................................................................. 3-3  
3.5 DGPS Alarm Setup.............................................................................................................. 3-6  
3.6 Confirming Satellite Status .................................................................................................. 3-7  
3.7 GPS Setup........................................................................................................................... 3-8  
3.7.1 Displaying the GPS setup menu.............................................................................. 3-8  
3.7.2 GPS SETUP menu description................................................................................ 3-8  
3.8 Output Data.......................................................................................................................... 3-9  
3.8.1 Heading.................................................................................................................... 3-9  
3.8.2 Log pulse ............................................................................................................... 3-12  
3.9 System Setup .................................................................................................................... 3-13  
3.9.1 Geodetic data......................................................................................................... 3-13  
3.9.2 Units of measurement............................................................................................ 3-14  
3.9.3 Using local time...................................................................................................... 3-14  
3.9.4 Time format............................................................................................................ 3-14  
3.9.5 Demonstration mode ............................................................................................. 3-15  
ii  
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3.10 WAAS/DGPS Setup........................................................................................................... 3-16  
3.11 OTHERS Menu.................................................................................................................. 3-19  
3.12 TRIP Menu......................................................................................................................... 3-20  
3.13 Resetting Distance Run..................................................................................................... 3-21  
4 MAINTENANCE, TROUBLESHOOTING................................................................4-1  
4.1 Preventive Maintenance ...................................................................................................... 4-1  
4.2 Troubleshooting ................................................................................................................... 4-2  
4.3 Diagnostics .......................................................................................................................... 4-3  
4.4 Program Number ................................................................................................................. 4-7  
4.5 Clearing Data....................................................................................................................... 4-7  
4.6 Replacement of Battery....................................................................................................... 4-8  
4.7 Replacement of Fuse........................................................................................................... 4-9  
4.8 Error Messages ................................................................................................................... 4-9  
APPENDIX ................................................................................................................AP-1  
SPECIFICATIONS.....................................................................................................SP-1  
INDEX...........................................................................................................................4-1  
iii  
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FOREWORD  
A Word to the Owner of the SC-50  
FURUNO Electric Company thanks you for purchasing the FURUNO SC-50  
Satellite Compass. We are confident you will discover why the FURUNO name  
has become synonymous with quality and reliability.  
For over 50 years FURUNO Electric Company has enjoyed an enviable  
reputation for quality and reliability throughout the world. This dedication to  
excellence is furthered by our extensive global network of agents and dealers.  
Your satellite compass is designed and constructed to meet the rigorous  
demands of the marine environment. However, no machine can perform its  
intended function unless properly installed and maintained. Please carefully read  
and follow the operation, installation and maintenance procedures set forth in  
this manual.  
We would appreciate feedback from you, the end-user, about whether we are  
achieving our purposes.  
Thank you for considering and purchasing FURUNO.  
Features  
The SC-50 is a new satellite compass designed with FURUNO’s advanced GPS  
kinematic technology. This compass finds a wide range of applications for any  
type of ships and mobile units at sea or on land.  
The main features are  
•
•
•
Perfect for use as heading sensor for Radar/ARPA, AIS, ECDIS, scanning  
sonar, and video plotter  
There are no mechanical parts such as gimbals or rotating motor, thus the  
compass is free from routine maintenance  
The performance is not affected by geomagnetism thus it is suitable for use on  
any vessel  
•
•
•
No need for speed correction like a gyrocompass  
Short settling time - three minutes  
Meets the following requirements: IMO MSC. 116(73), ISO/FDIS 22090-3,  
IMO A. 694(17), IEC 60945 (2002-08), IEC 61162 (2000).  
iv  
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SYSTEM CONFIGURATION  
The SC-50 consists of an antenna, a display unit and a processor unit. The  
tri-antenna system accommodates three antennas/receiver units and is available  
in a low-profile radome type or open type. The tri-antenna system helps reduce  
the influence of ship's motion (rolling).  
Antenna Unit  
SC-603  
Antenna Unit  
SC-303  
Display Unit  
SC-502  
OR  
2
3
Analog pitch  
Analog roll  
6 ports for Heading or Navigation Data  
(5 AD-10/IEC 61162 ports, 1 AD-10 port)  
Processor Unit  
SC-501  
Log/Heading alarm  
(Contact)  
: Option  
External heading data  
External DPGS  
Beacon Receiver  
12-24 VDC  
Category of Units  
Processor Unit: Protected from weather  
Display Unit: Protected from weather  
Antenna Unit: Exposed to weather  
System configuration  
v
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EQUIPMENT LIST  
Standard supply  
Name  
Type  
SC-303  
Code No.  
Qty  
Remarks  
Radome type  
─
─
─
─
Choose  
one  
Antenna Unit  
SC-603  
SC-502  
Open type  
Display Unit  
1
1
Processor Unit SC-501  
Installation  
Materials  
For antenna unit  
CP20-02601,  
CP20-02600  
000-041-905  
1
MJ-A7SPF0006-100  
For display unit  
Tapping screw  
(5X20, 4 pcs.)  
CP20-02203  
SP20-00901  
004-380-660  
004-377-600  
1
1
Spare Parts  
For processor unit  
Optional equipment  
Name  
Type  
CP20-01700  
CP20-01710  
Code No.  
Qty  
Remarks  
004-372-110  
004-372-120  
30 m  
50 m  
Antenna  
Cable Set  
3 pcs., for  
antenna unit  
1
Antenna  
Cable  
TPPX6-3D2V-15M  
000-143-559  
1
Flush Mount F OP20-29  
Flush Mount S OP20-17  
000-041-405  
000-040-720  
004-396-440  
004-396-450  
1
1
For display unit  
For display unit  
For DGPS, 30 m  
For DGPS, 60 m  
OP08-15-30  
Extension  
Cable  
1
1
OP08-15-60  
OP08-17  
Antenna  
004-392-510  
For DGPS  
Cable Set  
vi  
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1 PRINCIPLE OF OPERATION  
Own ship's heading can be determined by decoding the data in the carrier  
frequency in addition to ordinary GPS parameters. In principle, a pair of two  
antennas A1(ref) and A2(fore), each connected with an associated GPS engine  
and processor, are installed along the ship's fore-and-aft line. GPS systems at  
A1 and A2 calculate the range and azimuth to the satellite. Difference in range  
between A1 and A2 is ∆λ + nλ where λ is 19 cm. “n” is automatically found  
during the initialization stage by receiving three satellites. A fraction of a carrier  
wavelength, ∆λ, is processed by FURUNO’s advanced kinematic technology in  
geographical survey, thus determining a vector (range and orientation) A1 to A2.  
In reality, a third antenna is used to reduce the influence of pitch, roll and yaw,  
and five satellites are processed to process 3D data. If the GPS signal is blocked  
by a tall building or the vessel is under a bridge, the 3-axis solid-state angular  
rate gyros in the processor unit take place of the satellite compass, maintaining  
the current heading continuously.  
Heading  
ine  
l
Antenna A3  
d-aft  
n
a
re-  
o
F
θ
Antenna A2  
nλ  
λ
heading  
e
decid  
Difference between the  
range from satellite to  
antenna 1 and the range  
to antenna 2.  
o
t
∆λ  
ctor  
e
V
Antenna A1  
Principle of satellite compass operation  
1-1  
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1 PRINCIPLE OF OPERATION  
(This page intentionally left blank.)  
1-2  
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2 INSTALLATION  
2.1  
Mounting Considerations  
2.1.1  
Antenna unit  
General  
•
Keep the length of the antenna cable in mind when selecting a mounting  
location.  
Installing the antenna above superstructures  
•
The antenna must be mounted above all other structures on the vessel to  
obtain an unobstructed view of the satellites regardless of vessel heading.  
Failure to do so will cause shadows and multipath reflection problems.  
Mast  
SC-series Antenna  
Radar Antenna  
Bridge  
Example of antenna installed above all superstructures  
Installing the antenna below superstructures  
If it is not possible to mount the  
antenna above all superstructures on  
NOTICE  
If the antenna is installed below any  
superstructure, the installation must  
be done over a two-day period, following  
the procedure in the service manual.  
the vessel, as shown in the illustration  
above, shading and multipath  
problems may occur on at least one  
heading, and possibly more. To  
possibly avoid those problems,  
observe the guidelines in this section.  
At least 12 hours are required to capture  
tracking data to measure multipath indexes  
and locate areas of shading.  
2-1  
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2. INSTALLATION  
• The horizontal separation between the antenna and masts must be as follows:  
Mast diameter  
10 cm  
Separation distance (minimum)  
1.5 m  
3 m  
30 cm  
SC-50’s  
antenna  
Horizontal  
separation  
distance  
Mast, etc.  
Horizontal separation between antenna and masts  
•
The field of view above the antenna should be as shown below, ±80° against  
zenith. To avoid reflections from masts and the like, locate the antenna well  
away from the shadows of the radar mast, etc.  
Zenith  
-80 +80  
SC-series antenna  
SIDE VIEW  
Antenna and field of view  
•
Referring to the illustration below, locate the antenna away from objects which  
might block reception, such as a mast.  
Mast, etc.  
Less than 10  
TOP VIEW  
•
Locate the antenna unit above the radar antenna, out of the radar beam.  
SC-series Antenna  
Radar Antenna  
2-2  
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2 INSTALLATION  
Location influenced  
by reflected wave.  
Radar Antenna  
Reception blocked by mast.  
Bridge  
SC-series  
Antenna  
Example of antenna installed below superstructures  
2.1.2  
Display unit, processor unit  
•
•
•
•
Choose a location where vibration and shock are minimal.  
Install the units well away from locations subject to rain and water splash.  
Locate the units away from air conditioner vents.  
Keep the units out of direct sunlight because of heat that can build up inside  
their cabinets.  
•
•
•
Choose a well-ventilated location.  
For the display unit, choose a location where it can be easily operated.  
Leave sufficient space around the units to permit access for maintenance. See  
the outline drawing for recommended maintenance space.  
2-3  
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2 INSTALLATION  
2.2  
Installing the Antenna Units  
2.2.1  
Antenna unit SC-303  
Note:“Bird-repellent fixtures” may be attached to the antenna cover to prevent  
birds from alighting on the cover. If it is more convenient to attach them  
before fixing the antenna unit to the mounting location, do step 9 before  
fixing the antenna unit.  
NOTICE  
Fasten the antenna to the mounting  
location lastly if it is more convenient  
to connect the antenna cable before  
mounting the antenna unit.  
1. Prepare a mounting platform (wood, steel or aluminum) in accordance with  
the illustration shown below. If corrosive material is used, take necessary  
anti-corrosion measures.  
Note:When drilling holes in the platform, be sure they are parallel with the  
fore-and-aft line.  
2. Fasten the antenna unit to the platform with four sets of M10 hex. bolts,  
spring washers and flat washers, orienting it as shown below. (The bow mark  
(Ì) on the antenna should face the bow.) The torque for the hex. bolts  
should be between 19.6-24.5 Nm.  
NOTICE  
Do not open the antenna.  
This installation does not require removal  
of the antenna cover.  
BOW  
240  
160  
Fixing Hole  
( 11 mm)  
Flat Washer  
Spring Washer  
Hex. Bolt  
160  
240  
Mounting dimensions for antenna, orienting the antenna  
2-4  
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2 INSTALLATION  
3. Coat exposed parts of nuts, bolts and washers with silicone sealant.  
Radome  
base  
Platform  
Coat with  
silicone sealant.  
Coating bolt, nut and washers with silicone sealant  
4. Connect the three coaxial cables coming from the antenna unit to the  
appropriate coaxial cables on the antenna cable, referring to the table below.  
Cable from antenna  
Cable  
(no. marked on cable)  
TTPX6-3D2V-15M  
ANT 1  
ANT 2  
ANT 3  
No color  
Yellow  
Red  
5. Cover the antenna connectors with vulcanizing tape and vinyl tape, for  
waterproofing. Tie tape ends with a cable tie.  
Waterproofing the antenna connector  
6. Set the joints of the coaxial cables into the cavity in the antenna base.  
7. Pass two cable ties (long life, temperature resistant type, local supply)  
through the hole shown in the figure below. Fasten them at the locations  
shown in the figure below.  
Cable Tie  
How to fasten the antenna cable  
2-5  
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2 INSTALLATION  
8. Set the “cable cover” to the antenna base as shown in the figure below.  
Cable Cover  
How to insert the cable cover  
HOW TO REMOVE CABLE COVER  
Insert slotted-head  
screwdriver here to  
remove cable cover.  
9. Attach nine “bird-repellent fixtures” (supplied) to the antenna cover as shown  
below. Use the paper pattern to position the fixtures.  
Bird-repellent fixture  
U
Paper pattern  
Antenna unit  
2-6  
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2 INSTALLATION  
2.2.2  
Antenna unit SC-603  
Note:“Bird-repellent fixtures” may be attached to each antenna element and the  
Antenna Cover S to prevent birds from alighting on them. If it is more  
convenient to attach them before fixing the antenna unit to the mounting  
location, do step 10 in “Welding the antenna unit” before fixing the antenna  
unit.  
Mounting  
1. Screw in three antenna elements in the Antenna Base S. Remove Antenna  
Cover S and Arm Cover S.  
Antenna Cover S  
2
Antenna  
Element  
3
Arm Cover S  
(Below arm)  
1
Antenna Base S  
Antenna unit SC-603  
2. Pass the coaxial cable from each antenna element through the center of the  
respective arm and then through the hole at the center of the antenna unit.  
3. Orient the three antenna elements so that the protrusion on each faces the  
bow.  
BOW  
Orient the three antenna  
elements so the protrusion  
on each faces the bow.  
Nut  
Arm Cover S  
How to orient the antenna elements  
2-7  
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2 INSTALLATION  
1. Making sure each antenna element is correctly oriented, fix each with its nut.  
Write the corresponding arm number on each coaxial cable, using a magic  
marker. (When connecting with the coaxial cables from the processor unit it  
is necessary to match correct antenna element number with coaxial cable  
color.)  
Arm [1]  
Arm [2]  
Arm [3]  
1
2
3
2. Temporarily fix the pedestal and support plate to the antenna mast as shown  
in the illustration below. (The pedestal and support plate will be welded to the  
antenna mast after confirming that the installation site is suitable, following  
paragraph 2.6.)  
Note: If U-bolts are used to temporarily fix the pedestal and support plate,  
DO NOT overtighten them – overtightening may deform the pedestal.  
BOW  
PEDESTAL  
Clamp  
Support Plate  
Antenna Mast  
(Local supply  
( 50 mm or more)  
How to temporarily fix the support plate and pedestal to the antenna mast  
3. Set the antenna unit to the pedestal.  
2
3
1
Coaxial Cable Identification  
Arm [1]: 1  
Arm [2]: 2  
Arm [3]: 3  
Flat Washer  
Spring Washer  
Nut  
Fixing antenna unit to pedestal  
2-8  
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2. INSTALLATION  
4. Orient the antenna unit as shown in the illustration below.  
BOW  
Antenna  
Element  
2
A number is inscribed  
on each antenna arm.  
This is the antenna  
element number.  
PORT  
Antenna  
Element  
3
The bow mark is between  
antenna element [1] and [2].  
Face the bow mark towards  
the bow  
Antenna  
Element  
1
Orienting the antenna unit  
NOTICE  
The antenna unit should be positioned  
within 2.5 of the bow.  
5. Fasten the Antenna Cover S with three screws.  
Antenna Cover S  
2
3
1
Antenna unit SC-603  
6. Follow the instructions in the paragraph 2.6. If the satellite tracking status  
display shows “OK,” the installation site is suitable. Weld the antenna unit to  
the antenna mast as shown in the next paragraph.  
2-9  
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2. INSTALLATION  
Welding the antenna unit  
The antenna unit may be welded to the antenna mast if the satellite status  
display shows “OK.”  
1. Unfasten the coaxial cables and dismount the antenna unit.  
2. Weld the pedestal and support plate to the antenna mast. Remove the  
clamps used to temporarily fasten the pedestal and support plate.  
3. Fasten the coaxial cables and fix the antenna unit.  
4. Wrap the antenna connector with self-vulcanizing tape and then vinyl tape for  
waterproofing as shown in the illustration below. Tie tape ends with cable ties  
to prevent unraveling.  
Waterproofing the antenna connector  
5. Coat the three screws fixing the Antenna Cover S with Three Bond 1211  
(supplied).  
2
3
Coat screws with  
ThreeBond (supplied).  
1
Antenna unit SC-603  
6. Look at the heading indication on the display. If the heading error is between  
5° and 10°, loosen the nut at the center of the antenna unit and adjust  
antenna orientation, while watching the heading indication on the display.  
2-10  
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2. INSTALLATION  
7. Make a loop in the antenna cable as shown in the illustration below. Fasten  
the antenna cable to the antenna mast with cable ties.  
Coat bolt threads with  
Coat with Three  
Bond 1211 (supplied).  
Three Bond. Fasten bolt  
with nuts and then coat  
nuts with Three Bond also.  
Fix antenna cable.  
Fastening the antenna cable  
8. Coat bolt threads and nuts at the bottom of each antenna element with Three  
Bond 1211.  
9. Paint pedestal and support plate with anti-corrosive paint.  
10.Attach the “bird-repellent fixtures” (supplied) to each antenna element and  
the Antenna Cover S as shown below.  
Bird-repellent fixture  
Antenna element  
2-11  
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2. INSTALLATION  
2.3  
Installing the Processor Unit  
The processor unit should be mounted aligned with the ship’s fore-and-aft line. It  
can be mounted on the deck, bulkhead, or on the underside of a desk. Choose a  
mounting location which allows you to easily view the power lamp on the top of  
the unit and which is within ±2.5° of the ship’s fore-and-aft line.  
2.3.1  
Deck, bulkhead mount  
1. The processor unit is factory adjusted for deck mounting. Fasten the  
processor unit to the mounting location with tapping screws (5 x 20, 4 pcs.).  
The unit can also be oriented in one of the directions shown in the figure  
below. After the unit is installed, you will specify the mounting method from  
the menu.  
Mount processor unit  
Reference Direction  
so reference  
direction is within  
2.5 of  
POWER switch  
(power lamp)  
fore-and-aft line.  
Name plate  
Connectors  
Processor Unit, top view  
Bow  
Bow  
Mounting Method: "Floor"  
(Deck)  
Mounting Direction: B  
Mounting Method: "Floor"  
(Deck)  
Mounting Direction: A  
Starboard  
Port  
Starboard  
Port  
DIRECTION "A"  
DIRECTION "B"  
Stern  
Bow  
Stern  
Bow  
Mounting Method: "Floor"  
(Deck)  
Mounting Method: "Floor"  
(Deck)  
Mounting Direction: C  
Mounting Direction: D  
Starboard  
Port  
Port  
Starboard  
DIRECTION "C"  
DIRECTION "D"  
Stern  
Stern  
Processor unit orientation, deck mounting  
2. Fasten the ground wire between the ground terminal on the processor unit  
and the ship’s hull.  
2-12  
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2. INSTALLATION  
2.3.2  
Installation on the underside of a desk  
The processor unit may be mounted on the underside of a desk as shown in the  
figure below. Do not install it on the overhead.  
Desk  
Name Plate  
Installation of processor unit on the underside of a desk  
2-13  
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2. INSTALLATION  
2.4  
Installing the Display Unit  
2.4.1  
Desktop, overhead mounting  
1. Fasten the hanger to the mounting location with four tapping screws  
(supplied). See the outline drawing for mounting dimensions.  
2. Screw the knobs into the display unit.  
3. Set display unit to the hanger and tighten the knobs.  
4. Run the ground wire between the ground terminal on the display unit and the  
ship’s superstructure.  
Desktop  
Overhead  
Display unit mounting methods  
2.4.2  
Flush mount  
Two types of flush mounts are available. See the outline drawing at the back of  
the manual for details.  
Flush mount “F”  
Flush mount “F” kit  
Type: OP20-29, Code No: 000-041-405)  
Name  
Cosmetic Panel  
Tapping Screw  
Hex Bolt  
Type  
20-016-1051  
5X20  
Code No.  
100-251-370  
000-802-840  
000-862-127  
000-864-260  
Qty  
1
4
M6X12  
M6  
2
Spring Washer  
2
1. Make a cutout in the mounting location. The dimensions are 183(W) x 92(H)  
mm.  
2. Fasten the cosmetic panel to the display unit with hex bolts and spring  
washers.  
3. Fasten the display unit to the mounting location with tapping screws.  
2-14  
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2. INSTALLATION  
Flush mount “S”  
Flush mount “S” kit  
Type: OP20-17, Code No.: 000-040-720)  
Name  
Flush Mount Fixture  
Wing Bolt  
Type  
Code No.  
Qty  
2
20-007-2401 100-183-190  
M4X30  
M4  
000-804-799  
000-863-306  
000-862-127  
000-864-260  
4
Wing Nut  
4
Hex Bolt  
M6X12  
M6  
2
Spring Washer  
2
1. Make a cutout in the mounting location. The dimensions are 167(W) x 92(H)  
mm.  
2. Place the display unit in the cutout.  
3. Fix the display unit to the two flush mount fixtures with hex bolts and spring  
washers.  
4. Screw the butterfly nut on the butterfly bolt.  
5. Fix the display unit with the butterfly bolt and then tighten the butterfly nut.  
Flush mount “S”  
2-15  
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2. INSTALLATION  
2.5  
Wiring  
This section covers general wiring. For further details see the interconnection  
diagram at the back of this manual.  
ANTENNA UNIT  
SC-603  
ANTENNA UNIT  
SC-303  
OR  
2
3
PROCESSOR UNIT  
SC-501  
DPYC 1.5  
(or equivalent)  
12-24 VDC  
TPPX6-3D2V-15M, 15m  
MJ-A7SPF0006-100,  
10m  
DISPLAY UNIT  
SC-502  
*
General wiring diagram  
GPS ANT  
1
2
3
DISPLAY  
ANTENNA Terminals  
Ant. Elem. 1 (No Color): GPS ANT1  
Ant. Elem. 2 (Yellow): GPS ANT2  
DISPLAY Connector  
Connect cable from  
display unit here.  
Ground Terminal  
Connect ground wire  
between ground  
terminal and  
Ant. Elem. 3 (Red):  
GPS ANT2  
ship’s grounding bus.  
Processor unit, rear view  
2-16  
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2. INSTALLATION  
Note 1: Instead of cable TPPX6-3D2V, three Japan Industrial Standard coaxial  
cables 3D2V (local supply) or equivalent can be used as antenna  
cables.  
3D2V  
50  
5.3 mm  
Core  
0.96 mm  
Insulator T1.02 mm  
Shield  
Sheath  
Sectional view of coaxial cable 3D2V  
Note 2: The optional antenna cable set (CP20-01700 or CP20-01710) allows  
you to extend antenna cable length to 30 m (50 m). See next page for  
how to attach the connector.  
Wrap each  
junction with  
tape.  
Attach connector  
N-P-8DFB in field;  
wrap each junction with tape.  
To processor  
unit  
(OR Open-type  
Antenna)  
30 or 50 m  
1 m  
1 m  
Collectively wrap the coaxial cables with vulcanizing  
tape at the point where they are fastened with the  
cable tie.  
How to install the optional antenna cable set  
2-17  
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2. INSTALLATION  
How to attach connector N-P-8DFB  
Outer Sheath  
Armor  
Inner Sheath Shield  
30  
(Dimensions in millimeters.)  
50  
Cover with heat-shrink tubing and heat.  
10  
Cut off insulator and core by 10 mm.  
Twist shield end.  
Slip on clamp nut,  
gasket and clamp as shown left.  
Clamp  
Gasket  
(reddish  
brown)  
Clamp Nut  
Aluminum Foil  
Fold back shield over clamp and trim.  
Trim shield here.  
Insulator  
Cut aluminum foil at four places,  
90 from one another.  
Fold back aluminum foil onto shield  
and trim.  
Trim aluminum  
tape foil here.  
1
5
Expose the insulator by 1 mm.  
Expose the core by 5 mm.  
Pin  
Clamp Nut  
Shell  
Slip the pin onto the conductor.  
Solder them together through the  
hole on the pin.  
Solder through  
the hole.  
Insert the pin into the shell.  
Screw the clamp nut into the shell.  
(Tighten by turning the clamp nut.  
Do not tighten by turning the shell.)  
How to attach connector N-P-8DFB  
2-18  
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2. INSTALLATION  
2.6  
Initial Settings  
Follow the procedures in this section to enter initial settings.  
NOTICE  
Improper menu settings may stop output of  
data and display the message "RATE  
ERROR." Be sure to enter correct data.  
2.6.1  
Confirming satellite status; choosing mounting method  
1. Turn on the processor unit and then press the [MENU] key to show the menu.  
MAIN MENU  
SATELLITE  
WAAS/DGPS  
I/O SETUP  
INST MENU  
ERASE  
ALARMS  
MESSAGES  
GPS SETUP  
SYS SETUP  
SOFT VER.  
OTHERS  
TRIP MENU  
Main menu  
2. Use the Omnipad ( ) to choose “INST MENU” and then press the [ENT]  
key.  
INSTALLATION SETUP  
MOUNTING  
DIRECTION  
: WALL  
: A  
LANGUAGE  
: ENG  
ROLL OFFSET : 0.0  
PITCH OFFSET : 0.0  
Installation setup menu  
3. Confirm that “MOUNTING” is selected and then press the [ENT] key.  
4. Use the Omnipad to choose the mounting method: “FLOOR”, “WALL” or  
“INVERT” as appropriate.  
5. Press the [ENT] key.  
6. Choose “DIRECTION” and then press the [ENT] key.  
7. Use the Omnipad to choose mounting direction (“A ”, “B ”, “C” or “D”) as  
appropriate. Refer to section 2.3.1.  
8. Press the [ENT] key.  
9. Press the [SAT STATUS] key.  
2-19  
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2. INSTALLATION  
Satellites used for  
measurement  
"OK" displayed when  
the "GOOD" column  
shows that the number  
of satellites acquired is  
five or more.  
SAT TRACKING STATUS  
TIMER 5 '52"  
OK  
Satellites  
being  
tracked  
NO. GOOD STATUS  
GPS1  
GPS2  
GPS3  
8
7
8
8
7
8
D3D  
D3D  
D3D  
"3D" shown when no  
beacon receiver is used.  
Satellite tracking status display  
When the system is turned on for the first time it is in the “cold-start” state, which  
means there is no satellite data (almanac data) stored. In this condition it takes  
about 20 minutes to find heading. When heading is found the display shows  
“OK.” The timer at the top left corner of the screen shows time since power on. If  
OK is not displayed within 30 minutes after turning on the power, the antenna  
mounting location may not be suitable. Suspect that the number of satellites in  
view is less than five due to signal blockage. Resolve the problem and then  
recheck tracking status.  
If the heading error is between 5° and 10°, adjust orientation of the antenna unit,  
while watching the heading indication on the display. (For the open-type antenna,  
loosen the nut at the center of the antenna unit to adjust antenna orientation.)  
2.6.2  
Choosing heading source  
Choose the source of heading data as below.  
CAUTION  
Never switch from internal to external  
heading while the autopilot is in the  
automatic mode. Change to the  
manual mode before switching.  
1. Press the [HDG SETUP] key.  
OFFSET : Heading offset. See service manual for instructions.  
"SERVICE ONLY" means heading offset shown  
for display only.  
HEADING : Select heading source. Choose INT for normal use.  
If a gyrocomapss is connected for primary means,  
leaving this equipment as backup, choose EXT.  
INT HDG : Bow heading. Includes offset.  
HEADING SETUP  
OFFSET  
: +000.0  
(SERVICE ONLY)  
HEADING  
: INT  
INT HDG  
EXT HDG  
- - - . -  
- - - . -  
EXT HDG : Heading fed from external equipment.  
Heading setup menu  
2. Use the Omnipad to choose HEADING.  
3. Press the [ENT] key.  
2-20  
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2. INSTALLATION  
4. Choose INT or EXT as appropriate. Normally choose INT. If own GPS sensor  
is not working and a heading sensor such as a gyrocompass is available,  
choose EXT.  
5. Press the [ENT] key.  
6. Press the [DISP] key to close the menu.  
2.7  
Connection of External Equipment  
2.7.1  
General wiring  
All external equipment are terminated on the MAIN Board inside the processor  
unit. Turn off the power and unfasten four screws to remove the cover. Connect  
wiring from external equipment referring to the interconnection diagram. Use the  
lever supplied to open terminal blocks, referring to the instructions below.  
Recommended Cables*:  
Power cable:  
DPYC-1.5  
IEC 61162 equipment: TTYCS-1  
AD-10 equipment:  
* Or equivalent  
TTYCS-1Q  
How to insert cores in terminal blocks  
Lever  
1. Insert lever.  
2. Press lever.  
3. Insert core.  
4. Release lever.  
Power Cable  
From top: Analog Roll, Analog Pitch, 2-pole)  
LOG/ALARM (Contact signal, 6-pole)  
DATA IN (AD-10/IEC 61162-1/2, 5-pole)  
BEACON EXT (RTCM SC-104, 3-pole)  
DATA OUT6 (AD-10, 4-pole)  
DATA OUT1-DATA OUT5 (AD-10/IEC 61162-1/2, 4-pole)  
Processor unit, cover opened  
2-21  
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2. INSTALLATION  
2.7.2  
Fabrication of cables  
Cable  
Sectional view, fabrication  
Power cable  
DPCY-1.5  
(or equivalent)  
3
77  
Armor  
Sheath  
Armor  
Sheath  
Cut the sheath.  
φ = 11.7 mm  
15 10  
Conductor  
6
2
S = 1.5 mm  
φ = 1.56 mm  
Vinyl tape  
FABRICATION  
SECTIONAL VIEW  
Crimp-on lug  
FV1.25-5  
3
77  
Cable for IEC 61162  
format equipment (JIS  
cable TTYCS-1 or  
equivalent)  
Shield  
Armor  
8
twist and cut  
Earth wire fabrication  
55  
Armor  
Sheath  
Shield  
6
6
5
φ = 10.1 mm  
Conductor  
2
S = 0.75 mm  
φ = 1.11 mm  
Solder  
15 10  
SECTIONAL VIEW  
Earth wire  
6
Vinyl tape  
FABRICATION  
3
Cable for AD-10  
format equipment (JIS  
cable TTYCS-1Q or  
equivalent)  
77  
Shield  
Armor  
8
Twist and cut.  
Earth wire fabrication  
55  
Armor  
6
6
5
Sheath  
Shield  
φ = 11.3 mm  
Conductor  
S = 0.75 mm  
2
φ = 1.11 mm  
Solder  
SECTIONAL VIEW  
Earth wire  
15 10  
Vinyl tape  
FABRICATION  
2-22  
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3 OPERATION  
3.1  
Controls  
MENU key: Opens/closes menu.  
DISP key: Selects display.  
Omnipad: Selects menu items; shifts cursor.  
ENT key: Terminates keyboard input.  
DIM key: Adjusts panel illumination,  
display contrast.  
HDG SETUP key: Sets up the equipment.  
SAT STATUS key: Shows status display  
See illustration below for description.  
HOW TO REMOVE THE COVER  
Press here and pull toward  
you to remove cover.  
Satellites used for  
measurement  
"OK" displayed when  
SAT TRACKING STATUS  
TIMER 5 '52" OK  
NO. GOOD STATUS  
the "GOOD" column  
shows that the number  
of satellites acquired is  
five or more.  
Satellites  
being  
tracked  
GPS1  
GPS2  
GPS3  
8
7
8
8
7
8
D3D  
D3D  
D3D  
"3D" shown when no  
beacon receiver is used.  
Display unit  
CAUTION  
Reduced accuracy may occur in case  
of unfavorable satellite constellation,  
worsened HDOP, etc.  
Always confirm position against other  
navigation devices to verify reliability.  
3-1  
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3. OPERATION  
3.2  
Turning the Power On/Off  
Use the power switch on the processor unit to turn the power to the display unit  
on and off.  
POWER  
Switch  
Processor unit  
The display starts up with the last-used display.  
Note 1: Turn on external equipment AFTER the SC-50 is showing reliable  
heading data, to prevent heading output error.  
Note 2: The display flashes when backup heading data is being used.  
3.3  
Panel Illumination, Display Contrast  
1. Press the [DIM] key.  
DIMMER (1-8)  
4
CONTRAST (0-63)  
45  
EXIT: [ENT]  
Dialog box for adjustment of panel illumination, display contrast  
2. Press ▲ or ▼ to adjust panel illumination.  
3. Press ◄ or ► to adjust display contrast.  
4. Press the [ENT] key.  
3-2  
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3. OPERATION  
3.4  
Choosing a Display  
Use the [DISP] key to show a display desired.  
3.4.1  
Description of displays  
Heading display  
The heading display shows heading, course, speed, date, time and  
position-fixing method. The heading status mark changes in the sequence  
shown below. The “final calculations” mark disappears after heading becomes  
reliable, which is approximately 90 seconds after that mark appears.  
Position-fixing status indications  
2D  
2D GPS position fix  
3D GPS position fix  
2D DGPS position fix  
3D DGPS position fix  
Simulation mode  
3D  
Date  
D2D  
D3D  
SIM  
(day/month/year)  
Position-  
fixing  
status  
Time  
W2D  
W3D  
WAAS 2D position fix  
WAAS 3D position fix  
23:54:13  
3D 01 AUG 03  
Heading Status Mark  
= Acquiring satellite  
Heading  
HDG  
0 °  
2 8 3  
.
= Calculating heading  
= Final calculations  
kt  
123.4°  
COG  
0.0  
SOG  
Speed over  
ground  
Course over  
ground  
When the data  
of external sensor is input,  
EXT (in reverse video) replaces  
HDG on the Heading, Nav data,  
Steering and Compass displays.  
Nav data display  
The nav data display shows position in latitude and longitude, course, speed,  
date, time and position-fixing method.  
00:00:00  
3D 01 AUG 03  
0°0 0. 0 0 0 ’  
0°0 0. 0 0 0 ’  
N
E
Position in  
Latitude, Longitude  
kt  
278.0°  
0.0  
SOG  
HDG  
Nav data display  
3-3  
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3. OPERATION  
Steering display  
The steering display shows heading in digital and analog form. SOG and COG  
are also indicated. Note that COG accuracy is low when the own ship speed is  
low. The faster the speed, the more accurate the COG.  
07:54  
3D  
HDG  
0 °  
2 7 8  
.
Lubber’s mark  
Bearing  
scale  
250 260 270 280 290 300  
kt  
123.4°  
COG  
0.0  
SOG  
Steering display  
Compass display  
The compass display shows heading by compass direction. Pitch and roll are  
also indicated. The compass rose rotates with heading.  
3D  
23:24:01  
NW  
W
N
°
0. 0  
Own ship symbol  
HDG  
SW  
NE  
°
+
0
Pitching  
Rolling  
PIT  
S
E
°
SE  
+
0
ROL  
Compass display  
ROT (Rate-of-Turn) display  
The ROT display provides digital and analog indications of rate of turn.  
3D  
30 20 10  
0
10 20 30  
ROT  
scale  
PORT  
ROT  
STBD  
°/min  
ROT  
1 2  
.
2
ROT display  
3-4  
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3. OPERATION  
Set and Drift display, Distance Run display  
Depending on the setting of DISTANCE DISP on the TRIP menu, the Set and  
Drift display or the Distance Run display is shown. The Set and Drift display  
requires the Doppler Speed Log DS-80 and it shows current direction and  
speed.  
3D  
3D  
SOG  
kt  
SOG  
kt  
21. 1 2.  
2
21. 1 2.  
2
STW  
kt  
STW  
kt  
22.  
2
2
22.  
2
CURRENT  
DISTANCE  
456.78  
nm  
.
8
5
kt  
36.  
Set and Drift display  
Distance Run display  
Set and drift display, speed and distance run display  
3-5  
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3. OPERATION  
3.5  
DGPS Alarm Setup  
The SC-50 can alert you with audible and visual alarms when GPS data, DPGS  
data and WAAS data are lost. To set the DGPS alarm, do the following:  
1. Press the [MENU] key to show the menu.  
MAIN MENU  
SATELLITE  
WAAS/DGPS  
I/O SETUP  
INST MENU  
ERASE  
ALARMS  
MESSAGES  
GPS SETUP  
SYS SETUP  
SOFT VER.  
OTHERS  
TRIP MENU  
Main menu  
2. Choose ALARMS and then press the [ENT] key.  
ALARMS  
BUZZER : LONG  
DGPS  
: OFF  
Alarm menu  
3. BUZZER is selected; press the [ENT] key.  
SHORT  
LONG  
CONSTANT  
Buzzer options  
4. Use ▲ or ▼ to choose buzzer type desired and then press the [ENT] key.  
SHORT:  
LONG:  
Two short beeps  
Three long beeps  
CONSTANT: Continuous beep  
5. Press the [ENT] key.  
6. Use ▼ to choose DGPS and then press the [ENT] key.  
OFF  
ON  
DGPS alarm options  
7. Use ▲ or ▼ to choose OFF or ON as appropriate.  
8. Press the [ENT] key.  
9. Press the [DISP] key to close the menu.  
3-6  
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3. OPERATION  
3.6  
Confirming Satellite Status  
You can check the receiving condition of each antenna unit as follows:  
1. Press the [MENU] key to open the menu.  
2. Choose SATELLITE and then press the [ENT] key.  
RX signal level  
Horizontal bar extends  
with signal strength.  
Satellite whose signal  
strength extends past  
the first vertical line  
is used for heading  
calculation.  
Position-  
fixing  
status  
North  
DOP  
23  
3D  
DOP  
1. 5  
14  
N
18  
07  
- -  
06  
- -  
02  
10  
- -  
30  
- -  
08  
Elevation  
angle 5  
9
°
04  
05  
- -  
12  
24  
18  
01  
GPS1  
134  
Antenna  
element  
no.  
Elevation  
angle 45  
WAAS  
°
Satellites shown in white on black are  
used for calculation of heading.  
Satellite status display  
3. Use ◄ or ► to choose antenna element for which to confirm receiving status.  
4. Press the [DISP] key to close the menu.  
3-7  
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3. OPERATION  
3.7  
GPS Setup  
The GPS SETUP menu smoothes position and course, averages speed, applies  
position offset, and deactivates unhealthy satellites.  
3.7.1  
Displaying the GPS setup menu  
1. Press the [MENU] key to open the menu.  
2. Choose GPS SETUP and then press the [ENT] key.  
GPS SETUP  
SMOOTH POS  
SMOOTH S/C  
LAT OFFSET  
LON OFFSET  
DISABLE SV  
:
:
:
:
:
0SEC  
5SEC  
0.000’N  
0.000’E  
GPS SETUP menu  
3.7.2  
GPS SETUP menu description  
SMOOTH POS (Smoothing position)  
When the DOP (Dilution of Precision, the index for position-fixing accuracy) or  
receiving condition is unfavorable, the GPS fix may change randomly, even if the  
vessel at anchor. This change can be smoothed by averaging a number of GPS  
fixes. The setting range is from 0 (no smoothing) to 999 seconds, and the default  
is 5 s, which is good for rolling period of 5-8 s. The higher the setting the more  
smoothing. However, too high a setting slows updating of position. “0” is the  
default setting; increase the setting if the GPS fix fluctuates largely.  
SMOOTH S/C (Smoothing speed/course)  
Ship’s speed and course are directly measured by receiving GPS satellite  
signals, independent of positions. The data varies with receiving conditions and  
other factors. You can reduce this random variation by increasing the smoothing.  
The higher the setting the more that speed and course are smoothed. If the  
setting is too high, however, the follow-up to actual values gets slower. The  
setting range is from 0 (no smoothing) to 999 seconds.  
LAT/LON OFFSET (L/L position offset)  
If GPS fixes are erroneous while at anchor, enter a position offset to compensate  
for position error. Consult a nautical chart to determine latitude and longitude  
differences between the chart and GPS display. Enter that value as the offset.  
3-8  
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3. OPERATION  
DISABLE SV (Disable satellite)  
Every GPS satellite is broadcasting abnormal satellite number(s) in its Almanac,  
which contains general orbital data about all GPS satellites. Using this  
information, the GPS receiver automatically eliminates any malfunctioning  
satellite from the GPS satellite schedule. However, the Almanac sometimes may  
not contain this information. If you hear of an inoperative satellite you can  
disable it manually. Enter satellite number in two digits and then press the [ENT]  
key. To restore a satellite, enter “00”.  
3.8  
Output Data  
3.8.1  
Heading  
Heading data is output from the HDG OUT port on the processor unit, in IEC  
61162-1/2 format.  
1. Press the [MENU] key to open the menu.  
2. Choose I/O SETUP and then press the [ENT] key.  
OUTPUT DATA SETUP  
DATA OUT1: AD-10  
DATA OUT2: AD-10  
DATA OUT3: IEC  
DATA OUT4: IEC  
DATA OUT5: IEC  
LOG PULSE: 200 P/NM  
OUTPUT DATA SETUP menu  
3. Choose DATA OUT1 and then press the [ENT] key.  
AD-10  
IEC  
Data out options  
4. Use the Omnipad to choose AD-10 or IEC as appropriate and then press the  
[ENT] key. If you choose AD-10, no further operation is required; go to step  
19 to finish. For IEC go to the next step.  
DATA OUT1  
SENTENCE: HDG VTG ROT  
HDT HDM VDR HVE VTG GGA GNS  
GLL ZDA VHW VBW  
BAUD RATE: 4800BPS  
INTERVAL: 25mS  
NMEA VER: IEC ED2  
HDG TALKER: GP  
DATA OUT1 menu  
3-9  
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3. OPERATION  
5. Choose SENTENCE and then press the [ENT] key.  
DATA OUT1  
HDT  
HDM  
ROT  
ATT  
VTG  
GGA  
GNS  
GLL  
VHW  
VBW  
HVE  
ZDA  
VDR  
DATA OUT1 menu, sentences  
6. Use the Omnipad to choose the sentence to process and then press the  
[ENT] key.  
HDT: True heading (required for radar, AIS, ECDIS, etc.)  
HDM: Magnetic heading (Some boaters may want magnetic heading when  
the boat is fitted with only a magnetic compass without correction of  
deviation and variation. HDM is obtained in this equipment by adding  
the magnetic variation to HDT automatically.)  
ROT: Rate-of-turn data  
ATT: True heading, pitching, rolling (FURUNO’s proprietary sentence)  
VDR: Set and drift  
VTG: Course over ground and ground speed  
GGA: Global positioning system (GPS) fix data  
GNS: GNSS fix data  
GLL: Geographic position, latitude/longitude  
VHW: Water speed and heading  
VBW: Dual ground/water speed  
HVE: Pitch and roll data (FURUNO’s proprietary sentence)  
ZDA Time and date  
OFF  
ON  
7. Use the Omnipad to choose OFF or ON as appropriate and then press the  
[ENT] key. Sentences selected for output are marked with an asterisk.  
8. Choose item desired and then press the [ENT] key.  
9. Choose ON or OFF as appropriate and then press the [ENT] key.  
10.Press the [MENU] key to return to the DATA OUT1 menu.  
11. Choose BAUD RATE and then press the [ENT] key.  
4800BPS  
9600BPS  
19200BPS  
38400BPS  
Baud rate options  
3-10  
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3. OPERATION  
12.Use the Omnipad to choose the baud rate of the equipment connected and  
then press the [ENT] key.  
13.INTERVAL is selected; press the [ENT] key.  
25ms  
100ms  
200ms  
1S  
2S  
Tx interval options  
14.Use the Omnipad to choose appropriate output interval and then press the  
[ENT] key.  
15.Choose IEC VERSION and then press the [ENT] key.  
IEC ED1  
IEC ED2  
NMEA 1.5  
IEC, NMEA version options  
16.Choose appropriate IEC (or NMEA) edition and then press the [ENT] key.  
17.Choose HDG TALKER and then press the [ENT] key.  
GP  
HE  
HN  
HC  
Heading talker options  
18.Choose appropriate heading talker and then press the [ENT] key. If an  
external gyrocompass is used, choose HC.  
GP: GPS navigator  
HE: North-seeking gyrocompass  
HN: Non-north seeking gyrocompass  
HC: Gyrocompass  
19.Press the [DISP] key to close the menu, or press the [MENU] key several  
times to return to the I/O SETUP menu to setup another output port.  
3-11  
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3. OPERATION  
3.8.2  
Log pulse  
This equipment provides SOG (speed over ground) in high accuracy. It converts  
an SOG value to a closure signal and outputs at the rate of 200 or 400  
pulses/nm.  
1. Press the [MENU] key.  
2. Choose I/O SETUP and then press the [ENT] key.  
3. Choose LOG PULSE and then press the [ENT] key.  
200p/nm  
400p/nm  
Log pulse options  
4. Choose 200p/nm or 400p/nm as appropriate and then press the [ENT] key.  
5. Press the [DISP] key to close the menu.  
3-12  
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3. OPERATION  
3.9  
System Setup  
3.9.1  
Geodetic data  
Your unit is preprogrammed to recognize most of the major chart systems of the  
world. Although the WGS-84 system (default setting) is the GPS standard, other  
categories of charts in other datum still exist. Match the GPS datum with the  
chart system you use.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
SYSTEM SETUP  
DATUM  
UNITS  
TIME DIFF  
TIME DISP  
TEST?  
DEMO  
EXCHANGE BATTERY?  
: WGS84  
: kt  
: +00:00  
: 24 HOUR  
: OFF  
SYSTEM SETUP menu  
3. Confirm that the cursor is selecting DATUM and then press the [ENT] key.  
4. Choose WGS84 (GPS standard), WGS72 or OTHER according to the  
nautical chart you use and then press the [ENT] key.  
5. If you chose WGS72 or WGS84, press the [DISP] key to finish. For OTHER,  
go to step 6.  
6 Press the [ENT] key.  
7. Use the Omnipad to enter chart number, referring to the geodetic chart list on  
page A-2. Choose location with ◄ or ►; change value with ▲ or ▼.  
8. Press the [ENT] key.  
9. Press the [DISP] key to close the menu.  
3-13  
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3. OPERATION  
3.9.2  
Units of measurement  
Distance/speed can be displayed in nautical miles/knots, kilometers/kilometers  
per hour, or miles/miles per hour.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose UNITS.  
4. Press the [ENT] key.  
5. Choose unit of measurement combination desired; kt, km/h, mi/h.  
6. Press the [ENT] key.  
7. Press the [DISP] key to close the menu.  
3.9.3  
Using local time  
GPS uses UTC time. If you would rather use local time, enter the time difference  
(range: -13:30 to +13:30) between local time and UTC.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose TIME DIFF and then press the [ENT] key.  
4. Press ▲ or ▼ to display + or – as appropriate.  
5. Enter time difference with the Omnipad. Choose digit with ◄ or ►; change  
value with ▲ or ▼.  
6. Press the [ENT] key.  
7. Press the [DISP] key to close the menu.  
3.9.4  
Time format  
Time can be displayed in 12 hour or 24 hour format.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose TIME DISP and then press the [ENT] key.  
4. Choose 12HOUR or 24HOUR as appropriate and then press the [ENT] key.  
5. Press the [DISP] key to close the menu.  
3-14  
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3. OPERATION  
3.9.5  
Demonstration mode  
The demonstration mode provides simulated operation of the equipment.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose DEMO and then press the [ENT] key.  
4. Choose ON or OFF as appropriate and then press the [ENT] key.  
5. Press the [DISP] key to close the menu.  
The indication SIM appears at the top of the screen when the demonstration  
mode is active. When the demonstration mode is first made active,  
SIMULATION MODE appears when the power is turned on and it is erased  
when any key is pressed.  
3-15  
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3. OPERATION  
3.10 WAAS/DGPS Setup  
1. Press the [MENU] key to open the menu.  
2. Choose WAAS/DGPS and then press the [ENT] key.  
STATION: Shows GOOD or NG.  
WAAS/DGPS  
DATA: Shows GOOD or NG.  
SIG. S: Signal Strength. A figure be tween 0  
and 99 is shown. The higher the figure the  
stronger the beacon signal.  
SNR: Signal to Noise Ratio. A figure between  
1 and 22 is shown. When your boat is in the  
service area of a beacon station, SNR should  
be 21 or 22. If the figure is below 18 the position  
will be inaccurate. If this happens, check for radar  
interference, poor ground and generator noise on own ship.  
MODE  
:
GPS  
WAAS SEARCH: AUTO  
CORRECTIONS DATA SET: 02  
DPGS STATION: AUTO  
RATE: 000BPS  
FREQ: 310.0kHz  
STATION: GOOD* DATA:GOOD*  
SIG. S: 55.2 dB* SNR: 22.0 dB*  
WAAS/DGPS menu  
3. MODE is selected; press the [ENT] key.  
GPS  
WAAS  
DGPS  
AUTO  
Position fix mode options  
4. Choose appropriate mode referring to the description below and then press  
the [ENT] key.  
GPS: Position fix by GPS  
WAAS: Position fix by WAAS  
DPGS: Position fix by DGPS (external beacon receiver required)  
AUTO: Position fix in order of WAAS, DGPS and GPS  
5. For WAAS or AUTO do as below. For GPS or DGPS go to step 6.  
1) WAAS SEARCH is selected; press the [ENT] key.  
AUTO  
MANUAL  
WAAS SEARCH options  
3-16  
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3. OPERATION  
2) Use the Omnipad to choose WAAS satellite search method, AUTO or  
MANUAL as appropriate. For MANUAL, press the [ENT] key, enter  
appropriate WAAS satellite referring to the illustration below and then press  
the [ENT] key.  
Provider  
GEO Satellite  
POR (134)  
Longitude  
178°E  
54°W  
WAAS  
AOR-W (122)  
AOR-E (120)  
IOR (131)  
15.5°W  
64.5°E  
EGNOS  
118°W  
2°  
34.75°W 24.5°E  
2°  
121.25°E  
2°  
2°  
120  
122  
131  
134  
AOR-W  
AOR-E  
IOR  
POR  
54°W  
15.5°W  
64.5°W  
178°E  
One-degree threshold  
Longitude Range Satellite  
120.25  
119 W to 33.75  
35.75 W to 25.5  
23.5 E to 122.25  
°
E to 117  
°
W
134  
122  
120  
131  
°
°
W
°
°
E
°
°E  
GEO satellite and coverage area  
3) CORRECTIONS DATA SET is selected; press the [ENT] key.  
CORRECTIONS DATA SET determines how to use the WAAS signal, which  
is currently in the test mode. Use the default setting (02) until the WAAS  
system becomes operational, then change the setting to “00.”  
6. Choose DPGS STATION and press the [ENT] key.  
AUTO  
MANUAL  
AUTO/MANUAL options  
7. Choose MANUAL or AUTO as appropriate and press the [ENT] key. For  
AUTO got to step 8. For MANUAL do the following:  
1) RATE is selected; press the [ENT] key.  
50BPS  
100BPS  
200BPS  
Baud rate options  
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3. OPERATION  
2) Choose appropriate baud rate and press the [ENT] key.  
3) FREQ is selected; press the [ENT] key.  
4) The cursor is selecting the hundredths digit so press ▲ or▼ to display  
appropriate digit. Press ► to shift the cursor to the tenths place.  
5) Set other digits appropriately.  
8. Press the [DISP] key to close the menu.  
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3. OPERATION  
3.11 OTHERS Menu  
The OTHERS menu chooses whether to output last-used heading data, and  
smoothes rate of turn meter reading (rate-of-turn meter required).  
1. Press the [MENU] key to display the main menu.  
2. Choose OTHERS and then press the [ENT] key.  
OTHERS  
HOLD HDG DATA: OFF  
HDG RESTORATION : MAN  
HDG BACKUP  
:
5MIN  
Others menu  
3. Choose HOLD HDG DATA and then press the [ENT] key.  
4. Choose ON to use, at power on, last-used heading until current heading is  
calculated. Last-used heading flashes to inform you that it is unreliable.  
5. Press the [ENT] key.  
6. Choose HDG RESTORATION and then press the [ENT] key.  
MAN  
AUTO  
HDG RESTORATION options  
7. Use the Omnipad to choose how to restore GPS signal, automatically or  
manually, and then press the [ENT] key.  
8. HDG BACKUP is selected; press the [ENT] key.  
OFF  
ON  
HDG BACKUP options  
9. Enter how long to wait before stopping heading output, using the Omnipad.  
10.Press the [ENT] key followed by the [DISP] key to close the menu.  
3-19  
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3. OPERATION  
3.12 TRIP Menu  
The TRIP menu functions to  
•
•
•
•
•
Choose the indication to show on the speed display  
Choose source of distance run  
Reset distance run to zero  
Smooth the tide drift indication  
Enter rate of turn (see the next page)  
1. Press the [MENU] key to display the main menu.  
2. Choose TRIP MENU and then press the [ENT] key.  
TRIP MENU  
DISTANCE DISP : DSTNC  
DISTANCE CALC: GPS  
RESET DISTANCE?  
DRIFT AVG : 10SEC  
SMOOTH ROT: 2.5 SEC  
ROT RANGE: 60 /MIN  
TRIP menu  
3. Choose DISTANCE DISP and then press the [ENT] key.  
4. Choose what to display on the Speed display; distance run (DSTNC) or tide  
direction and speed (DRIFT). Press the [ENT] key.  
5. Choose DISTANCE CALC and then press the [ENT] key.  
6. Choose the source for distance run; GPS, VLW (distance traveled through  
water) or VBW (Dual ground/water speed). (VLW requires DS-80 type  
Doppler speed log and VBW requires Current indicator or Doppler speed  
log.) Press the [ENT] key.  
7. Choose DRIFT AVG. and then press the [ENT] key.  
8. If tide current and speed data is unstable, enter a smoothing figure to  
stabilize the data. The higher the figure the more smoothed the data. A  
setting between 0 (no smoothing) and 9999 is available.  
9. Choose SMOOTH ROT and then press the [ENT] key.  
10.Use the Omnipad to enter rate of turn smoothing rate. Choose location with  
◄ or ►; change value with ▲ or ▼.  
11. Press the [ENT] key.  
12.Choose ROT RANGE and the press the [ENT] key.  
13.Choose the range of the ROT graph from among 30, 60 and 90 and then  
press the [ENT] key.  
14.Press the [DISP] key to close the menu.  
3-20  
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3. OPERATION  
3.13 Resetting Distance Run  
The distance run may be reset to zero as below when the source of distance run  
is GPS or VBW.  
1. Press the [MENU] key to display the main menu.  
2. Choose TRIP MENU and then press the [ENT] key.  
3. Choose RESET DISTANCE and then press the [ENT] key.  
RESET DISTANCE?  
ARE YOU SURE?  
YES NO  
RESET DISTANCE prompt  
4. Choose YES and then press the [ENT] key.  
5. Press the [DISP] key to close the menu.  
3-21  
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3. OPERATION  
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3-22  
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4 MAINTENANCE,  
TROUBLESHOOTING  
WARNING  
ELECTRICAL SHOCK HAZARD  
Do not open the equipment.  
Only qualified personnel  
should work inside the  
equipment.  
4.1  
Preventive Maintenance  
Regular maintenance is important for good performance. A maintenance  
program should be established and should include the following points.  
•
Check connectors and ground terminal on the processor unit and display unit  
for tightness.  
•
•
Check ground terminal for rust. Clean or replace as necessary.  
Check for water leakage in the antenna cable. Replace the cable if there are  
signs of water leakage.  
•
Remove dust and dirt from the display unit (including LCD) and processor unit  
with a dry, soft cloth. Wipe the LCD carefully to prevent scratching, using  
tissue paper and an LCD cleaner. To remove stubborn dirt, use an LCD  
cleaner, wiping slowly with tissue paper so as to dissolve the dirt. Change  
paper frequently so the dirt will not scratch the LCD. Do not use chemical  
cleaners for cleaning - they can remove paint and markings.  
4-1  
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4. MAINTENANCE, TROUBLESHOOTING  
4.2  
Troubleshooting  
This section provides basic troubleshooting procedures which the user may  
follow to restore normal operation.  
Troubleshooting  
Symptom  
Cause  
Remedy  
Cannot turn on the power. Power connector on the  
processor unit  
Firmly connect the power  
connector.  
Power supply failure  
Blown fuse  
Check the power supply.  
Have a qualified  
technician check the fuse.  
Heading indication  
changes randomly when  
ship is at anchor or does  
not change when ship  
moves.  
Sensor trouble  
Run the diagnostic test2 to  
determine cause.  
Heading output from  
SC-50 does not appear on SC-50 and external  
Connection between  
Firmly fasten the  
connector.  
external equipment.  
equipment has loosened.  
Sensor trouble  
Run the diagnostic test1 to  
determine the cause.  
If large heading error occurs or heading indication is frequently interrupted,  
contact your dealer for advice.  
4-2  
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4. MAINTENANCE, TROUBLESHOOTING  
4.3  
Diagnostics  
Diagnostic test1  
The diagnostic test1 checks the equipment for proper operation.  
Note: Heading is not output during the diagnostic test, and this is communicated  
with an appropriate message. After completing the diagnostic test, turn the  
power off and on to update heading data.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose TEST? and then press the [ENT] key.  
TEST1  
TEST2  
TEST3  
Test menu options  
4. Confirm that TEST1 is selected and then press the [ENT] key.  
TEST START?  
(STOP: PWR OFF)  
ARE YOU SURE?  
YES  
NO  
Test start prompt  
5. Press ◄ to choose YES and then press the [ENT] key. The test proceeds in  
the sequence shown on the next page.  
4-3  
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4. MAINTENANCE, TROUBLESHOOTING  
OK shown for normal;  
NG (No Good) shown for error  
ROM RAM  
GPS1  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
PUSH KEY  
OK  
GPS receiver  
GPS2  
GPS3  
CAL  
KEY TEST  
Press each key one by  
one. Pressed key’s name  
appears here if key  
is functioning properly.  
Processor unit  
Display unit  
DISP  
CNT=  
(STOP: PWR OFF)  
ROM, RAM, KEY TEST  
Number of times test executed  
After 3 sec.  
AD-10 IEC  
To stop the test turn  
off the power.  
OUT1  
OUT2  
OUT3  
OUT4  
OUT5  
OUT6  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OK  
OUTPUT TEST  
After 3 sec.  
B-EXT  
DISP  
OK  
OK  
All LCD segments go on 2 sec.,  
All LCD segments go off 3 sec.  
<LCD CHECK>  
ALL ON 2 SEC.  
ALL OFF 3 SEC.  
DISPLAY TEST  
SOFTWARE VERSION  
DISPLAY  
PROCESS  
GPS1  
GPS2  
GPS3  
205-1341-**.**  
205-1342-**.**  
4850263-*.**  
4850263-*.**  
4850263-*.**  
** Program  
Version No.  
PROGRAM VERSION  
DISPLAY  
CNT=  
(
STOP: PWR OFF)  
ROM, RAM, KEY check appears after  
3 sec.  
Diagnostic test sequence  
6. Turn off the processor unit to quit the diagnostic test1.  
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4. MAINTENANCE, TROUBLESHOOTING  
Diagnostic test2  
If the heading indication changes randomly when ship is at anchor or does not  
change when the ship moves, run the test2 following the procedure below, with  
the ship at anchor and satellite signal received.  
Note: Heading is not output during the diagnostic test, and this is communicated  
with an appropriate message. After completing the diagnostic test, turn  
the power off and on to update heading data.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose TEST? and then press the [ENT] key.  
TEST1  
TEST2  
TEST3  
Test menu options  
4. Choose TEST2 and then press the [ENT] key.  
TEST START?  
(STOP: PWR OFF)  
ARE YOU SURE?  
YES  
NO  
Test start prompt  
5. Press ◄ to choose YES and then press the [ENT] key.  
6. Press the [ENT] key twice. Rate and angle values are 0.0°. If the values  
increase or decrease markedly (with ship at anchor), suspect rate sensor  
trouble. Contact your dealer to request service.  
TEST2  
YAW  
ROL  
PIT  
RATE  
ANGLE  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
<STOP: PWR OFF>  
TEST2 display  
7. Turn off the processor unit to quit the diagnostic test2.  
4-5  
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4. MAINTENANCE, TROUBLESHOOTING  
Diagnostic test3  
This test checks the buzzer signal/contact for proper operation.  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose TEST? and then press the [ENT] key.  
TEST1  
TEST2  
TEST3  
Test menu options  
4. Choose TEST3 and then press the [ENT] key.  
TEST START?  
(STOP: PWR OFF)  
ARE YOU SURE?  
YES  
NO  
Test start prompt  
6. Press ◄ to choose YES and then press the [ENT] key.  
ALARM  
ALARM: OFF  
ALARM menu  
7. Press the [ENT] key.  
OFF  
ON  
ALARM options  
8. Choose OFF or ON as appropriate and then press the [ENT] key.  
OFF: Buzzer sound goes off, alarm contact signal is closed, and alarm  
sounds continuously.  
ON: The buzzer sounds and the alarm contact is open.  
9. To quit the test, turn off the processor unit.  
4-6  
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4. MAINTENANCE, TROUBLESHOOTING  
4.4  
Program Number  
You may display the program number as follows:  
1. Press the [MENU] key to open the menu.  
2. Choose SOFT VER. and then press the [ENT] key.  
SOFTWARE VERSION  
DISPLAY  
PROCESS  
GPS1  
GPS2  
GPS3  
205-1341-**.**  
205-1342-**.**  
4850263-*.**  
4850263-*.**  
4850263-*.**  
** = Program version no.  
Program version no. display  
3. Press the [DISP] key to close the program version no. display.  
4.5  
Clearing Data  
You may clear GPS data and system data all at once or individually as follows:  
1. Press the [MENU] key to open the menu.  
2. Choose ERASE and then press the [ENT] key.  
3. Choose GPS DATA, SYSTEM DATA or ALL BACKUP DATA (clears GPS and  
SYSTEM data) as appropriate. One of the following displays appears  
depending on your selection.  
ERASE ALL BACKUP  
DATA? (DEFAULT)  
ERASE GPS DATA?  
ARE YOU SURE?  
ARE YOU SURE?  
YES  
NO  
YES  
NO  
ERASE SYSTEM  
DATA? (DEFAULT)  
ARE YOU SURE?  
YES  
NO  
Prompts for erasure of data  
4. Press ◄ to choose YES and then press the [ENT] key to erase. After data is  
erased the message “Completed erasing. Turn off the unit.” Is displayed.  
Note: MOUNTING, DIRECTION and LANGUAGE in the INST menu, HDG  
RESTORATION and HDG BACKUP in the OTHERS menu and  
OFFSET in the HEADING SETUP menu are not cleared.  
5. Turn off and on the power.  
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4. MAINTENANCE, TROUBLESHOOTING  
4.6  
Replacement of Battery  
The processor unit has a battery which stores data when the power is turned off.  
When the battery voltage is low, the message “BATTERY!” appears on the  
display. Have a qualified technician replace the battery, following the procedure  
below. The life of the battery is 3-5 years.  
Battery Location  
Type  
Code No.  
Processor Unit  
CR2450-F2ST2  
000-133-495  
1. Press the [MENU] key to open the menu.  
2. Choose SYS SETUP and then press the [ENT] key.  
3. Choose “EXCHANGE BATTERY?” and then press the [ENT] key.  
EXCHANGE BATT?  
ARE YOU SURE?  
YES NO  
Prompt for exchanging battery  
4. Press ◄ to choose YES and then press the [ENT] key. The following  
message appears.  
READY FOR  
BATTERY CHANGE.  
TURN OFF THE  
UNIT.  
Prompt for turning off the power  
5. At this time the contents of the RAM are temporarily moved to the flash  
memory. Turn off the power.  
6. Have a qualified technician replace the battery.  
4-8  
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4. MAINTENANCE, TROUBLESHOOTING  
4.7  
Replacement of Fuse  
The 3 A fuse on the POWER Board inside the processor unit protects the  
equipment from overcurrent and reverse polarity of the power supply. If the fuse  
blows, have a qualified technician check the fuse.  
WARNING  
Use the proper fuse.  
Use of a wrong fuse can result in damage  
to the equipment or cause fire.  
4.8  
Error Messages  
The alarm sounds for equipment error and is accompanied by a flashing  
exclamation mark ( ). Press any key to silence the alarm. The exclamation  
mark remains on the screen until the cause for error is eliminated. Find the  
cause for the alarm(s) as follows:  
1. Press the [MENU] key to open the menu.  
2. Choose MESSAGES and then press the [ENT] key.  
MESSAGES  
GPS DATA ERROR!  
Message display  
3. Press the [DISP] key to close the menu.  
Error messages  
Error Message  
Meaning  
Remedy  
ABORTING!  
GPS heading error continues for  
one minute. For example, satellite  
cannot be acquired because of  
unfavorable environment.  
Check for obstruction.  
ABORTING CALC!  
GPS signal lost for one minute.  
Press any key to try to restore  
normal operation.  
BACKUP ERROR!(DISP) Corrupted backup data found in  
display unit at power on.  
Default settings are  
automatically restored.  
BACKUP  
ERROR!(PRCSSR)  
Corrupted backup data found at  
processor unit at power on.  
Default settings are  
automatically restored.  
(Continued on next page)  
4-9  
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4. MAINTENANCE, TROUBLESHOOTING  
Error messages (con’t from previous page)  
Error Message  
BATTERY ALM!  
Meaning  
Remedy  
Voltage of battery in processor  
unit is low.  
Have battery replaced at  
earliest convenience.  
DATA ERR!  
GPS data (from the GPS receiver Check navigator.  
in the processor unit) is lost for  
one minute. Heading output is  
stopped and the heading  
indication shows “- - -“.  
DGPS ERROR!  
DGPS data (from external DGPS  
receiver) is lost for one minute.  
Ship may not be within DPGS  
service area.  
GPS DATA ERROR!  
GPS data (from internal GPS  
receiver) is lost for one minute.  
Conduct diagnostic test1 and  
check if NG appears for results  
Heading output is stopped and the for GPS receivers GPS1, GPS2  
heading indication shows “- - -“.  
and GPS3.  
GPS NO FIX!  
No GPS data.  
Check antenna cable.  
Request service.  
HDG ERROR!  
Heading error  
NO HEADING OUTPUT!  
GPS heading error continues for  
Press any key to try to restore  
five minutes. In this case heading normal operation.  
output is stopped and the heading  
indication shows “- - -“.  
RAM ERROR!  
RAM problem  
Request service.  
Request service.  
Request service.  
Request service.  
Request service.  
Request service.  
RATE ERROR!  
Data output stopped.  
Yaw sensor problem  
Roll sensor problem  
Pitch sensor problem  
RATE ERROR(YAW)!  
RATE ERROR(ROLL)!  
RATE ERROR(PITCH)!  
COMMUNICATION ERR! Communication between display  
unit and processor has been  
interrupted.  
WAAS ERROR  
ROM ERROR!  
WAAS data lost for one minute.  
ROM problem  
Request service.  
Request service.  
4-10  
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APPENDIX  
Menu Tree  
BUZZER (SHORT, LONG, CONSTANT)  
DGPS (OFF, ON)  
ALARMS  
MENU  
MESSAGES  
GPS SETUP  
SMOOTH POS (0 SEC)  
SMOOTH S/C (5 SEC)  
LAT OFFSET (0.000’N)  
LON OFFSET (0.000’E)  
DISABLE SV  
DATUM (WGS84, WGS72, OTHER 001 (WGS84))  
UNITS (kt, km/h, mi/h)  
SYS SETUP  
TIME DIFF (+00:00)  
TIME DISP (12 HOUR, 24 HOUR)  
TEST? (TEST1, TEST2, TEST3)  
DEMO (OFF, ON)  
EXCHANGE BTTERY? (DISPLAY UNIT, PROCESSOR UNIT)  
SOFT VER.  
OTHERS  
Default settings in bold italics  
HOLD HDG DATA (OFF, ON)  
HDG RESTORATION (MAN, AUTO)  
HDG BACKUP (1-5 (MIN))  
SATELLITE  
MODE (GPS, WAAS, DGPS, AUTO)  
WAAS SEARCH (AUTO, MANUAL)  
CORRECTIONS DATA SET (00-99, 02)  
DGPS STATION (AUTO, MANUAL)  
RATE* (50BPS, 100BPS, 200BPS) *000BPS in default setting.  
FREQ (310.0kHz)  
WAAS/  
DGPS  
DATA OUT1  
DATA OUT2  
DATA OUT3  
DATA OUT4  
DATA OUT5  
AD-10, IEC  
I/O SETUP  
SENTENCE (HDT, HDM, ROT  
ATT, VDR, VTG, GGA, GNS,  
GLL, VHW, VBW, HVE, ZDA)  
BAUD RATE (4800, 9600,  
19200, 38400)  
LOG PULSE (200, 400 (p/nm))  
INTERVAL (25ms, 100ms,  
200ms, 1S, 2S)  
TALKER (GP, HE, HN, NC)  
MOUNTING (FLOOR, WALL, INVERT)  
DIRECTION (A, B, C, D)  
LANGUAGE (ENG, JPN)  
ROLL OFFSET (-90.0 to +90.0, 0)  
PITCH OFFSET (-90.0 to +90.0, 0)  
INST MENU  
ERASE  
GPS DATA?  
SYSTEM DATA?  
ALL BACKUP DATA?  
TRIP  
MENU  
DISTANCE DISP (DSTNC, DRIFT)  
DISTANCE CALC (GPS, VLW, VBW )  
RESET DISTANCE?  
DRIFT AVG. (0-9999SEC, 10)  
SMOOTH ROT (0.1 - 30.0, 2.5 (sec))  
ROT RANGE (30, 60, 90 ( /min))  
AP-1  
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APPENDIX  
(This page intentionally left blank.)  
AP-2  
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FURUNO  
SC-50  
SPECIFICATIONS OF SATELLITE COMPASS  
SC-50  
SPECIFICATIONS  
1
GENERAL  
1.1 Receiver Type  
1.2 Rx Frequency  
1.3 Rx Code  
12 discrete channels  
1575.42 MHz  
C/A code, WAAS  
1.4 Position Fixing System All-in-view, 8-state Kalman filter  
1.5 Position Accuracy  
1.6 Heading Accuracy  
1.7 Follow-up  
10 m, or 5 m (DGPS), 95% of the time  
±1.0° (95%)  
45°/s rate-of-turn  
1.8 Settling Time  
3 minutes  
2
DISPLAY UNIT  
2.1 Display Type  
2.2 Effective Area  
2.3 Contrast  
4.5 inch monochrome LCD, 120 x 64 dots  
60 mm (H) x 95 mm (W)  
64 levels  
2.4 Display Mode  
Heading, Nav data, Steering, Compass rose, Rate of turn and  
Speed modes  
3
INTERFACE  
3.1 Output  
Data  
Heading  
No. of Ports, Format  
One AD-10,  
Sentence, Remarks  
HDM, HDT  
Five AD-10/IEC 61161-1/2  
COG  
SOG  
ROT  
L/L  
Set and Drift  
Heading Alarm  
Log Pulse  
VHW, VBW,  
VHW, VBW, VTG  
ROT  
GLL, GNS, GGA  
VDR  
One contact signal  
One contact signal  
Analog pitch/roll  
FURUNO Proprietary sentence ATT  
3.2 Input  
Data  
External Heading  
Data  
No. of Ports, Format  
One AD-10/IEC 61162-1/2  
Sentence, Remarks  
HDT, HDG, HDM  
External DGPS  
One RTCM SC-104  
SP - 1  
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FURUNO  
SC-50  
4
POWER SUPPLY  
12-24 VDC: 1.2-0.5 A  
5
ENVIRONMENTAL CONDITIONS AND EMC  
5.1 Ambient Temperature  
Display/Processor Unit -15°C to +55°C, Designed for protected area  
Antenna Unit  
5.2 Damp Heat  
5.3 Waterproofing  
Antenna Unit  
-25°C to +70°C, Designed for exposed area  
93% ±3% at 40°C  
IPX6  
Display Unit  
IPX5  
Processor Unit  
5.4 Vibration  
5.5 EMC  
IPX0  
IEC 60945  
IEC 60945  
6
COATING COLOR  
6.1 Display/Processor Unit Panel: N3.0 Newtone No.5 (dark gray)  
Cover: 2.5GY5/1.5 (light gray)  
6.2 Antenna Unit  
N9.5 (white)  
SP - 2  
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INDEX  
A
M
Alarms menu.......................................... 3-6  
Maintenance  
battery replacement ............................4-8  
cleaning ..............................................4-1  
fuse replacement ................................4-9  
Menu tree ..................................................1  
B
Battery replacement ............................... 4-8  
C
Compass display.................................... 3-4  
Control description ................................. 3-1  
N
Nav data display.....................................3-3  
D
O
Data clearing.......................................... 4-7  
Demonstration mode............................ 3-15  
DGPS alarms ......................................... 3-6  
Diagnostics  
OTHERS menu.....................................3-19  
Output data setup menu .........................3-9  
P
test 1................................................... 4-3  
test 2................................................... 4-5  
test 3................................................... 4-6  
DIM key.................................................. 3-2  
DISP key ................................................ 3-3  
Distance run display........................3-4, 3-5  
Distance run resetting........................... 3-21  
Position offset.........................................3-8  
Power on/off ...........................................3-2  
Program version no. ...............................4-7  
R
Rate-of-turn display ................................3-4  
ROT range, smoothing .........................3-20  
S
E
SAT STATUS key....................................3-1  
Satellite status display ............................3-7  
Satellites  
Error messages...................................... 4-9  
F
Fuse replacement................................... 4-9  
disabling .............................................3-9  
status display......................................3-7  
Set and drift display................................3-5  
Smoothing ..............................................3-8  
Steering display......................................3-4  
System configuration................................. v  
System setup menu..............................3-13  
G
Geodetic data....................................... 3-13  
GPS setup menu.................................... 3-8  
H
Heading  
backup.............................................. 3-19  
output ................................................. 3-9  
restoration......................................... 3-19  
Heading display...................................... 3-3  
T
Time format ..........................................3-14  
TRIP menu ...........................................3-20  
Troubleshooting......................................4-2  
L
U
Local time............................................. 3-14  
Log pulse.............................................. 3-12  
Units of measurement...........................3-14  
W
WAAS/DGPS menu..............................3-16  
IN-1  
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1/1  
20AY-X-9851 -0  
ＰＡＣＫＩＮＧ　ＬＩＳＴ  
SC-502-J/E  
N A M E  
DESCRIPTION/CODE №  
SC-502-J  
O U T L I N E  
Q'TY  
ユニット  
表示部  
UNIT  
1
1
DISPLAY UNIT  
**  
000-041-906  
CP20-02203  
工事材料  
工事材料  
INSTALLATION MATERIALS  
INSTALLATION MATERIALS  
004-380-660  
1.ｺ-ﾄﾞ番号末尾の[**]は、選択品の代表型式/ｺｰﾄﾞを表します。  
CODE NUMBER ENDED BY "**" INDICATES THE NUMBER OF TYPICAL MATERIAL.  
（略図の寸法は、参考値です。 DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
20AY-X-9851  
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1/1  
20AY-X-9852 -0  
ＰＡＣＫＩＮＧ　ＬＩＳＴ  
SC-501-J/E  
N A M E  
DESCRIPTION/CODE №  
SC-501  
O U T L I N E  
Q'TY  
ユニット  
演算部  
UNIT  
1
1
1
1
1
PROCESSOR UNIT  
000-041-903  
SP20-00901  
予備品  
予備品  
SPARE PARTS  
SPARE PARTS  
004-377-600  
CP20-02601  
工事材料  
工事材料  
INSTALLATION MATERIALS  
OTHER INSTALLATION MATERIALS  
DOCUMENT  
INSTALLATION MATERIALS  
004-380-560  
その他工材  
ｹｰﾌﾞﾙ組品MJ  
MJ-A7SPF0006-100  
CABLE ASSY.  
000-143-578  
OMJ-72510-*  
図書  
取扱説明書(和)  
OPERATOR'S MANUAL  
**  
000-148-547  
ｺ-ﾄﾞ番号末尾の[**]は、選択品の代表型式/ｺｰﾄﾞを表します。  
CODE NUMBER ENDED BY "**" INDICATES THE NUMBER OF TYPICAL MATERIAL.  
（略図の寸法は、参考値です。 DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
20AY-X-9852  
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1/1  
20AY-X-9854 -0  
ＰＡＣＫＩＮＧ　ＬＩＳＴ  
SC-303  
N A M E  
DESCRIPTION/CODE №  
SC-303  
O U T L I N E  
Q'TY  
ユニット  
GPSｱﾝﾃﾅ  
UNIT  
1
GPS ANTENNA  
000-041-925  
工事材料  
ﾊﾞﾈ座金  
INSTALLATION MATERIALS  
CP20-02231  
M10 SUS304   
4
4
4
1
SPRING WASHER  
000-864-261  
M10 SUS304  
ﾐｶﾞｷ平座金  
FLAT WASHER  
000-864-131  
M10X25 SUS304  
六角ﾎﾞﾙﾄ　ｽﾘ割  
HEX.BOLT (SLOTTED HEAD)  
000-862-308  
20-020-3213-1  
ｹｰﾌﾞﾙｶﾊﾞｰ  
CABLE COVER  
100-291-511  
（略図の寸法は、参考値です。 DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
20AY-X-9854  
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CODE NO.  
TYPE  
004-380-660  
CP20-02203  
20AY-X-9404 -0  
1/1  
工事材料表  
INSTALLATION MATERIALS  
数量  
Q'TY  
番 号  
NO.  
名　　称  
NAME  
型名／規格  
略　　図  
OUTLINE  
用途／備考  
REMARKS  
DESCRIPTIONS  
+ﾄﾗｽﾀｯﾋﾟﾝﾈｼﾞ  
5X20 SUS304 1ｼｭ  
1
4
+TAPPING SCREW  
CODE NO. 000-802-081  
20AY-X-9404  
ＦＵＲＵＮＯ　ＥＬＥＣＴＲＩＣ　ＣＯ　．，ＬＴＤ.  
（略図の寸法は、参考値です。　DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
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CODE NO.  
TYPE  
004-380-560  
CP20-02601  
20AY-X-9401 -0  
1/1  
工事材料表  
INSTALLATION MATERIALS  
数量  
Q'TY  
番 号  
NO.  
名　　称  
NAME  
型名／規格  
DESCRIPTIONS  
231-131  
略　　図  
OUTLINE  
用途／備考  
REMARKS  
操作ﾚﾊﾞｰ  
1
2
2
4
TERMINAL OPENER  
CODE NO. 000-808-981  
5X20 SUS304 1ｼｭ  
+ﾄﾗｽﾀｯﾋﾟﾝﾈｼﾞ  
+TAPPING SCREW  
CODE NO. 000-802-081  
20AY-X-9401  
ＦＵＲＵＮＯ　ＥＬＥＣＴＲＩＣ　ＣＯ　．，ＬＴＤ.  
（略図の寸法は、参考値です。　DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
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CODE NO.  
TYPE  
000-041-405  
OP20-29  
20AY-X-9402 -0  
1/1  
ﾌﾗｯｼｭﾏｳﾝﾄｷｯﾄ  
FLUSH MOUNT KIT.  
数量  
Q'TY  
番 号  
名　　称  
NAME  
型名／規格  
DESCRIPTIONS  
20-016-1051-0  
略　　図  
OUTLINE  
用途／備考  
REMARKS  
NO.  
化粧ﾊﾟﾈﾙ  
1
COSMETIC PANEL  
1
4
2
2
CODE NO.  
100-251-370  
+ﾄﾗｽﾀｯﾋﾟﾝﾈｼﾞ  
TAPPING SCREW  
5X20 SUS304 1種 ｸﾛ  
2
3
4
CODE NO.  
000-802-840  
ﾊﾞﾈ座金  
M6 SUS304  
SPRING WASHER  
CODE NO.  
000-864-260  
六角ﾎﾞﾙﾄ　ｽﾘ割り  
M6X12 SUS304  
HEX.BOLT(SLOTTED HEAD)  
CODE NO.  
000-862-127  
20AY-X-9402  
ＦＵＲＵＮＯ　ＥＬＥＣＴＲＩＣ　ＣＯ　．，ＬＴＤ.  
（略図の寸法は、参考値です。　DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
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CODE NO.  
TYPE  
000-040-720  
OP20-17  
20AY-X-9403 -0  
1/1  
ﾌﾗｯｼｭﾏｳﾝﾄｷｯﾄ  
FLUSH MOUNT KIT.  
数量  
Q'TY  
番 号  
名　　称  
NAME  
型名／規格  
DESCRIPTIONS  
20-007-2401-0  
略　　図  
OUTLINE  
用途／備考  
REMARKS  
NO.  
ﾌﾗｯｼｭﾏｳﾝﾄ  
1
FIXING PLATE FOR FLUSH  
MOUNT  
2
4
4
2
2
CODE NO.  
100-183-190  
蝶ﾅｯﾄ  
M4 YBSC2 MBNI2  
2
3
4
5
WING NUT  
CODE NO.  
000-863-306  
蝶ﾎﾞﾙﾄ  
M4X30 YBSC2 MBNI2  
WING SCREW  
CODE NO.  
000-804-799  
ﾊﾞﾈ座金  
M6 SUS304  
SPRING WASHER  
CODE NO.  
000-864-260  
六角ﾎﾞﾙﾄ　ｽﾘ割り  
M6X12 SUS304  
HEX.BOLT(SLOTTED HEAD)  
CODE NO.  
000-862-127  
20AY-X-9403  
ＦＵＲＵＮＯ　ＥＬＥＣＴＲＩＣ　ＣＯ　．，ＬＴＤ.  
（略図の寸法は、参考値です。　DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
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CODE NO.  
TYPE  
20AT-X-9403 -1  
1/1  
SC-50/55/60  
工事材料表  
INSTALLATION MATERIALS  
数量  
Q'TY  
番 号  
NO.  
名　　称  
NAME  
型名／規格  
DESCRIPTIONS  
TNC-PS-3D-15  
略　　図  
OUTLINE  
用途／備考  
REMARKS  
ｹｰﾌﾞﾙ組品  
選択  
TO BE SELECTED  
20S0216  
1
2
3
1
ANTENNA CABLE ASSY.  
CODE NO. 000-133-670  
TPPX6-3D2V-15M  
ｹｰﾌﾞﾙ組品  
選択　　　　　　　　  
TO BE SELECTED  
CABLE ASSY.  
CODE NO. 000-143-559  
20AT-X-9403  
ＦＵＲＵＮＯ　ＥＬＥＣＴＲＩＣ　ＣＯ　．，ＬＴＤ.  
（略図の寸法は、参考値です。　DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
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CODE NO.  
TYPE  
004-379-660  
CP20-02260  
20AT-X-9410 -0  
1/1  
工事材料表  
INSTALLATION MATERIALS  
数量  
Q'TY  
番 号  
NO.  
名　　称  
NAME  
型名／規格  
DESCRIPTIONS  
TNC-PS-3D-15  
略　　図  
OUTLINE  
用途／備考  
REMARKS  
ｹｰﾌﾞﾙ組品  
20S0216  
1
3
ANTENNA CABLE ASSY.  
CODE NO. 000-133-670  
20AT-X-9410  
ＦＵＲＵＮＯ　ＥＬＥＣＴＲＩＣ　ＣＯ　．，ＬＴＤ.  
（略図の寸法は、参考値です。　DIMENSIONS IN DRAWING FOR REFERENCE ONLY.）  
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