Furuno 1623 User manual

MARINE RADAR
MODEL 1623

Your Local Agent/DealerYour Local Agent/Dealer
9-52 Ashihara-cho,9-52 Ashihara-cho,
Nishinomi
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a, Ja
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anNishinomi
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p
an
Tele
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hone :Tele
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hone : 0798-65-21110798-65-2111
Telefax :Telefax : 0798-65-42000798-65-4200
FIRST EDITION :FIRST EDITION : .. 00000000
Printed in JapanPrinted in Japan
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hts reserved.
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PUB.No.PUB.No. OME-35100OME-35100
(( )) MODEL1623MODEL1623
*OME35100Z00**OME35100Z00*
*OME35100Z00**OME35100Z00*
* O M E 3 5 1 0 0 Z 0 0 ** O M E 3 5 1 0 0 Z 0 0 *

i
SAFETY INSTRUCTIONS
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel
should work inside the
equipment.
Turn off the radar power
switch before servicing the
antenna unit. Post a warning
sign near the switch indi-
cating that it should not be
turned on while the antenna
unit is being serviced.
Prevent the potential risk of
being struck by the rotating
antenna and exposure to
RF radiation hazard.
Wear a safety belt and hard
hat when working on the
antenna unit.
Serious injury or death can
result if someone falls from
the radar antenna mast.
Do not disassemble or modify the
equipment.
Fire, electrical shock or serious injury can
result.
Turn off the power immediately if water
leaks into the equipment or the equip-
ment is emitting smoke or fire.
Continued use of the equipment can cause
fire or electrical shock.
WARNING
Use the proper fuse.
Use of a wrong fuse can damage the
equipment and void the warranty.
Keep heater away from equipment.
Heat can alter equipment shape and melt
the power cord, which can cause fire or
electrical shock.
NOTICE
A warning label is attached to the
equipment. Do not remove the label.
If the label is missing or damaged,
contact a FURUNO agent or dealer.
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
Safety Instructions for the Operator

ii
Safety Instructions for the Installer
Ground the equipment to
prevent mutual interference.
NOTICE
Observe the following compass safe
distances to prevent interference to a
magnetic compass:
Standard Steering
compass compass
TBA TBA
Antenna
unit TBA TBA
Display
unit
Do not open the equipment
unless totally familiar with
electrical circuits and
service manual.
Only qualified personnel
should work inside the
equipment.
Wear a safety belt and hard
hat when working on the
antenna unit.
Serious injury or death can
result if someone falls from
the radar antenna mast.
WARNING
Construct a suitable service platform
from which to install the antenna unit.
Serious injury or death can result if some-
one falls from the radar antenna mast.
Be sure that the power supply is
compatible with the voltage rating of
the equipment.
Connection of an incorrect power supply
can cause fire or damage the equipment.
Use only the specified power cable.
Fire or equipment damage can result if a
different cable is used.
ELECTRICAL
SHOCK
HAZARD

iii
TABLE OF CONTENTS
FOREWORD............................................iv
SYSTEM CONFIGURATION.....................v
EQUIPMENT LISTS.................................vi
1. OPERATION........................................1
1.1 Controls ............................................... 1
1.2 Indications ...........................................2
1.3 Turning Power On/Off..........................3
1.4 Transmitting, Standby..........................3
1.5 Adjusting Display Contrast, Brilliance.. 3
1.6 Choosing the Range............................4
1.7 Receiver Sensitivity .............................4
1.8 Suppressing Sea Clutter......................5
1.9 Suppressing Rain Clutter.....................6
1.10 Measuring the Range .......................... 6
1.11 Measuring the Bearing ........................7
1.12 Shifting the Display..............................7
1.13 Zoom.................................................... 8
1.14 User Menu Overview ........................... 8
1.15 Heading Line .......................................9
1.16 Interference Rejector ...........................9
1.17 Noise Rejector ..................................... 9
1.18 Echo Trail, Trail Brilliance ....................9
1.19 Echo Stretch ......................................10
1.20 Guard Alarm ...................................... 10
1.21 Watchman.......................................... 11
1.22 Suppressing Long-range Rain
Clutter ................................................. 11
1.23 Panel Backlighting ............................. 12
1.24 Hue ....................................................12
1.25 Resetting Distance Run.....................12
1.26 PROG Key......................................... 12
1.27 Turning Navigation Data On/Off ........13
1.28 Outputting Cursor Position to
Navigator .......................................... 13
1.29 Setting up Nav Data Displays............13
1.30 System Menu..................................... 15
1.31 Installation Menu ...............................16
2. MAINTENANCE,
TROUBLESHOOTING ...................... 18
2.1 Maintenance ..................................... 18
2.2 Replacing the Fuse ........................... 19
2.3 Troubleshooting ................................ 19
2.4 Diagnostics ....................................... 20
2.5 Test Pattern ....................................... 21
2.6 Replacing the Magnetron ................ 21
2.7 Replacing the Synchro Belt............... 21
3. INSTALLATION................................. 22
3.1 Antenna Unit Installation ................... 22
3.2 Display Unit Installation..................... 24
3.3 Wiring ................................................ 25
3.4 Adjustments ...................................... 26
3.5 Magnetron Heater Voltage ................ 28
SPECIFICATIONS
OUTLINE DRAWINGS
INTERCONNECTION DIAGRAM
SCHEMATIC DIAGRAMS

iv
FOREWORD
A Word to the Owner of the
MODEL 1623
Congratulations on your choice of the
MODEL 1623 Marine Radar.
For over 50 years FURUNO Electric
Company has enjoyed an enviable reputation
for innovative and dependable marine
electronics equipment. This dedication to
excellence is furthered by our extensive
global network of agents and dealers.
Your radar is designed and constructed to
meet the rigorous demands of the marine
environment. However, no machine can
perform its intended function unless installed,
operated and maintained properly. Please
carefully read and follow the recommended
procedures for installation, operation, and
maintenance.
We would appreciate hearing from you, the
end-user, about whether we are achieving our
purposes.
Thank you for considering and purchasing
FURUNO equipment.
Features
Your radar has a large variety of functions, all
contained in a rugged plastic case. All
controls respond immediately to the
operator’s command and each time a key is
pressed the corresponding change can be
seen on the screen.
The main features of the MODEL 1623 are
• Daylight viewing radar specially designed
for small craft and sailing yachts.
• Traditional FURUNO reliability and quality
in a compact, light-weight and low-cost
radar.
• Compact and light-weight radome
antenna with precision 34 cm center-fed
radiator.
• High definition 6-inch monochrome LCD
display.
• Automatic control of sensitivity (gain),
tuning and A/C SEA for simplified
operation.
• Targets can be displayed in grey tones on
a white background or vice versa, for
optimal viewing under any lighting
conditions.
• On-screen alphanumeric readout of all
operational information.
• User programmable data displays.
• [PROG] key provides menu shortcut.
• Standard features include Display Shift,
EBL, Echo Stretch, Echo Trail, Guard
Alarm, Interference Rejector, VRM, Zoom.
• Guard zone watches for targets entering
(or exiting) a guard zone.
• Operates on 12 V or 24 V DC power.

v
SYSTEM CONFIGURATION
DISPLAY
UNIT
RDP-141
GPS RECEIVER
GP-310B/320B
EXTERNAL
BUZZER
OP03-136
SHIP'S MAINS
12/24 VDC
WIND INDICATOR,
SPEED INDICATOR
RECTIFIER
PR-62
SHIP'S MAINS
100/110/115/220/230 VAC
NAVIGATOR
or ECHO SOUNDER
(NMEA 0183)
: Standard supply
: Optional supply
ESC
MENU
MODE
GAIN
ALARM
RANGE
MARKPROG
POWER
BRILL
MODEL 1623
MARINE RADAR
FURUNO
ANTENNA UNIT
RSB-0060

vi
EQUIPMENT LISTS
Standard supply
Name Type Code No. Qty Remarks
Antenna Unit RSB-0060 −1
Display Unit RDP-141 −1
Installation Materials 1 set
Spare Parts SP03-09800 000-085-441 1 set Fuses (2 pcs.)
Installation Materials
Name Type Code No. Qty Remarks
Antenna Cable (10 m) MJ-A10SPF-0003-100
Antenna Cable (15 m) MJ-A10SPF-0009-150
Antenna Cable (20 m) MJ-A10SPF-0009-200
1
Power Cable Assy. MJ-A3SPF-0013-035 1 Connector, fuse, 3.5 m
Hex Head Bolt M10X25 000-862-308 4 For antenna unit
Dummy Film 03-118-1103-0 100-185-380 1 set For display unit
Tapping Screw 5X20 000-802-081 4 For display unit
EMI Core RFC-10 000-141-085 1 For antenna cable
Washer Head Screw M4X15 000-881-448 1 For antenna cable
Fixing Band 03-146-0101-0 100-277-850 1 For antenna cable

vii
Optional Equipment
Name Type Code No. Qty Remarks
NMEA Cable Assy. MJ-A6SPF0003-050 000-117-603 1 Connector at a end, 5 m
NMEA Distribution
Cable Assy. MJ-A15A7F0004-005 000-145-690 1
Antenna Cable Assy. 03S9175 000-130-034 1 Connector at one end,
24 V spec. only.
Radome Mounting
Bracket OP03-93 008-445-080 1 For sailboat
External Buzzer OP03-136 000-086-443 1 Connector at one end, 1 m
PR-62 000-013-484 100 VAC
PR-62 000-013-485 110 VAC
PR-62 000-013-486 220 VAC
Rectifier
PR-62 000-013-487
1
230 VAC

1
1. OPERATION
1.1 Controls
Cursor Pad
Chooses menu items;
adjusts VRM, EBL and cursor.
Opens/closes menu;
escapes from current
operation.
Chooses display mode.
Adjusts gain.
Chooses radar range.
Enables/disables guard alarm.
Displays user-programmed
pop-up window.
Long press: Turns power on/off.
Momentary press: Adjusts display contrast
and brilliance.
Displays Mark menu to
adjust EBL and VRM;
output cursor latitude and
longitude position to a
navigator.
ESC
MENU
MODE
GAIN
ALARM
RANGE
MARKPROG
POWER
BRILL
MODEL 1623
MARINE RADAR
FURUNO
Display unit
How to remove the hard cover
Place your thumbs at the center of the cover, and then lift the cover while
pressing it with your thumbs.