Furuno 1622 User manual

MARINE RADAR
MODEL 1622

C
9-52, Ashihara-cho,
Nishinomiya, Japan
Telephone: [phone]
Telefax: 0798-65-4200
Your Local Agent/Dealer
All rights reserved.
PUB. No. OME-34520
MODEL1622
(DAMI)
FIRST EDITION :JUN. 1999
J2:OCT.7, 2002
Printed in Japan

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 warn-
ing sign near the switch
indicating 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.
Fuse rating is shown on the equipment.
Use of a wrong fuse can result in equipment
damage.
Keep heater away from equipment.
Heat can alter equipment shape and melt
the power cord, which can cause fire or
electrical shock.
The useable temperature ranges are
Antenna unit: -25˚C to +70˚C
Display unit: -15˚C to +55˚C
CAUTION
WARNING LABEL
The warning label shown below is
attached to the display unit. Do not remove
this label. If the label is peeling off or is
illegible, contact FURUNO for replacement.
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

ii
TABLE OF CONTENTS
INTRODUCTION .......................................................................................iii
SYSTEM CONFIGURATION .....................................................................iv
PRINCIPLE OF OPERATION.....................................................................v
1. OPERATION...........................................................................................1
1.1 Control Description............................................................................................................1
1.2 Indications and Markers ....................................................................................................2
1.3 Turning the Radar On/Off..................................................................................................3
1.4 Transmitting, Stand-by ......................................................................................................3
1.5 LCD Tone and Brilliance....................................................................................................3
1.6 Selecting the Range..........................................................................................................3
1.7 Receiver Sensitivity...........................................................................................................4
1.8 Suppressing Sea Clutter....................................................................................................4
1.9 Suppressing Rain Clutter...................................................................................................5
1.10 Range Rings ...................................................................................................................5
1.11 Cursor..............................................................................................................................5
1.12 Heading Marker...............................................................................................................6
1.13 Menu Operation...............................................................................................................6
1.14 Control Panel Brilliance...................................................................................................7
1.15 Measuring the Range......................................................................................................7
1.16 Measuring the Bearing ....................................................................................................8
1.17 Shifting the Display..........................................................................................................8
1.18 Zoom...............................................................................................................................8
1.19 Target Trails.....................................................................................................................9
1.20 Guard Alarm Zone...........................................................................................................9
1.21 Interference Rejector.....................................................................................................10
1.22 Echo Stretch..................................................................................................................11
1.23 Watchman.....................................................................................................................11
1.24 Navigation Data.............................................................................................................12
1.25 Displaying Navigation Data During Stand-by.................................................................12
1.26 Echoes in Black or White...............................................................................................13
1.27 Selecting Ranges to Use...............................................................................................13
2. RADAR OBSERVATION ......................................................................15
2.1 General...........................................................................................................................15
2.2 False Echoes ..................................................................................................................16
2.3 SART (Search and Rescue Transponder) .......................................................................17
2.4 Racon (Radar Beacon)....................................................................................................19
3. MAINTENANCE, TROUBLESHOOTIING ............................................21
3.1 Maintenance....................................................................................................................21
3.2 Replacing the Fuse .........................................................................................................21
3.3 Troubleshooting...............................................................................................................22
3.4 Magnetron Replacement.................................................................................................22
3.5 Synchro Belt Replacement..............................................................................................22
SPECIFICATIONS................................................................................SP-1
INDEX.............................................................................................. Index-1
Declaration of Conformity

iii
INTRODUCTION
A Word to FURUNO Model 1622
Owners
FURUNO Electric Company thanks you for
purchasing the MODEL 1622 Marine Radar. 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 radar 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 installation, operation 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
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 1622 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.
•Stepping scanner motor.
•High definition 6-inch LCD display.
•Automatic control of sensitivity and STC for
simplified operation.
•Targets can be displayed in black on white
background or vice versa, for optimal viewing
under any lighting.
•On-screen alphanumeric readout of all
operational information.
•Standard features include Display Shift, EBL,
Echo Stretch, Target Trail, Guard Alarm,
Interference Rejector, VRM, Zoom.
•Guard zone watches for targets entering (or
exiting) a guard zone.
•Operates on 12V or 24V power and
consumes approx. 35 watts power.
•Position in latitude and longitude, speed, and
range and bearing to a waypoint can be
shown in the bottom text area. (Requires
navigation data input in NMEA 0183 format.)
•Navigation data such as position, water
temperature and depth can be shown during
stand-by. (Requires appropriate sensors.)
•LCD equipped with temperature sensor with
maintains viewability under temperature
change.
•Can be connected to Radar Remote Display
FMD-1712.