Humminbird Radar, 1198C, AS 12RD2KW, AS 21RD4KW Installation And Operation Manual
Humminbird®Radar
Humminbird®Radar
Installation and Operations Manual
Installation and Operations Manual
531986-1_A
Thank You
Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation
by designing and manufacturing top-quality, thoroughly reliable marine equipment. Your Humminbird® is
designed for trouble-free use in even the harshest marine environment. We encourage you to read this
installation and operations manual completely in order to getfull benefit from all the features and applications
of your Humminbird® product.
Contact our Customer Resource Center at 1-800-633-1468 or visit our Web site at humminbird.com.
Warnings
HIGH VOLTAGE WARNING! Dangerously high voltages are present within the scanner unit. There
are no internal connections or adjustments necessary for installation. The cover should be removed
only by a qualified radar service technician. Technicians must exercise extreme care when working
inside the unit. Always remove power before removing the cover. Some capacitors may take several
minutes to discharge, even after switching off the radar. Before touching the magnetron or any high
voltage components, ground them with a clip lead.
CAUTION! Installation and radar tuning should only be performed by a qualified radar service
technician.
DANGER: MICROWAVE RADIATION HAZARD! The microwave energy radiated by a radar antenna
is harmful to humans, especially to one’s eyes. Never look directly into an open waveguide or into
the path of radiation from an enclosed antenna. Radar and other radio frequency radiation can upset
cardiac pacemakers. If someone with a cardiac pacemaker suspects abnormal operation,
immediately turn off the equipment and move the person away from the antenna. Turn off the radar
whenever it is necessary to work on the antenna unit or on other equipment in the beam of the radar.
WARNING! How to interpret the radar display is not included in this manual. The captain is responsible
for the proper use of radar and the safety of the vessel and its passengers.
WARNING! This device should not be used as a navigational aid to prevent collision, grounding, boat
damage, or personal injury. When the boat is moving, water depth may change too quickly to allow
time for you to react. Always operate the boat at very slow speeds if you suspect shallow water or
submerged objects.
WARNING! The electronic chart in your Humminbird® unit is an aid to navigation designed to
facilitate the use of authorized government charts, not to replace them. Only official government
charts and notices to mariners contain all of the current information needed for the safety of
navigation, and the captain is responsible for their prudent use.
WARNING! Disassembly and repair of this electronic unit should only be performed by authorized
service personnel. Any modification of the serial number or attempt to repair the original equipment
or accessories by unauthorized individuals will void the warranty.
WARNING! This product contains chemicals known to the State of California to cause cancer and/or
reproductive harm.
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NOTE: This product is specifically designed to be installed on boats and other means of maritime transport. If your country
forms part of the EU, please contact your dealer for advice before attempting to install elsewhere.
NOTE: Some features discussed in this manual require a separate purchase, and some features are only available on
certain models. Every effort has been made to clearly identify those features. The illustrations in this manual may look
different than your display, but your model will operate in a similar way. Please read the manual carefully in order to
understand the full capabilities of your model.
ENVIRONMENTAL COMPLIANCE STATEMENT: It is the intention of Humminbird® to be a responsible corporate citizen,
operating in compliance with known and applicable environmental regulations, and a good neighbor in the communities
where we make or sell our products.
ROHS STATEMENT: Product designed and intended as a fixed installation or part of a system in a vessel may be considered
beyond thescope of Directive2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction
of the use of certain hazardous substances in electrical and electronic equipment.
800 Series™, 900 Series™, 1100 Series™, Humminbird®, and X-Press™ Menu are trademarked by or registered trademarks of
Johnson Outdoors Marine Electronics, Inc.
© 2011 Johnson Outdoors Marine Electronics, Inc., Eufaula AL, USA. All rights reserved.
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Table of Contents
Thank You i
Warnings i
How Radar Works 1
Prepare for Installation 2
Choose the Mounting Location 4
Adjust for Obstacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Shifting from the Center Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Obtaining Sufficient Dip Angle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Mounting Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation 8
AS 12RD2KW: Scanner Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
AS 21RD4KW: Scanner Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Connect Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Start/Stop Radar Transmission 15
Start Transmission or Start Timed Transmission. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Set Timed Transmission Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Stop Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Radar Configuration (installation and repair only) 16
Open the Radar Installation Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Tune the Radar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Adjust the Trigger Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Set the Main Bang Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Set the Sector Blanking Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Adjust the Heading Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Radar Operations 20
Menus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Views 22
Radar View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Chart/Radar Combo View (GPS Required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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Table of Contents
Radar Display Settings 24
Adjust Interference Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Change the Radar Display Palette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Display Range Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Adjust Radar Settings 25
Adjust STC Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Adjust Gain Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Adjust FTC Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Adjust the Transmission Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
EBL/VRM 26
Create an EBL/VRM with the Cursor (GPS Required). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Create an EBL/VRM with the X-Press™ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Edit an EBL/VRM Pair. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Delete an EBL/VRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Specifications 29
Contact Humminbird® 31
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How Radar Works
Si
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b
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The word “radar” is an acronym for “Radio Detecting And Ranging.” A radio transmitter sends a quick
microwave pulse, and then a receiver listens for that signal’s echo when it is bounced back from something
in its path. The returning signal is processed by a computer to determine its relative distance, position, and
bearing. This information is graphically displayed on a view for you to see. Other boats or ships, navigational
markers, and landmasses are referred to as targets.
By knowing how long it takes for a signal to return, the distance to a target can be determined. As the radar
antenna scans through a 360-degree rotation, it can show where the target is relative to your position. By
repeated scans, you can see which direction another boat is moving. How a target is displayed on the screen
depends on the target’s height and size as well as its material and shape.
Boat and Surrounding Targets Radar Display
How radar will perform is mostly determined by the antenna
or scanner. Increasing the size of the antenna improves
long-range performance and target discrimination, or the
ability to distinguish two separate targets at a distance. The
critical factors are the antenna’s beam width and side lobe
level.Typically, a radar antenna will radiate a tightly focused
beam from the front of the array. The longer the antenna
array is, the narrower the beam width will be. Additionally,
it will also emit smaller amounts of energy to each side. The
lower the side lobe level, the less the effect of a false echo.
WARNING!
this manual. The captain is responsible for the proper use of radar
and the safety of the vessel and its passengers.
1
How to interpret the radar display is not included in
How Radar Works
Prepare for Installation
Before you begin installation, it is important to review the installation instructions and check the hardware
to confirm that you have all of the required equipment.
Securing the Cable with Tape
Clearing the Mounting Holes (AS 12RD2KW)
Supplies: In addition to the hardware included in this
box, you will also need vinyl tape, a powered hand drill
and various drill bits, various hand tools, safety glasses,
a dust mask, and sealant.
1. Unpack the box and confirm the contents
with the illustration shown on the next
page.
2. Coil the cable and place the cable on top of
the scanner. Secure the cable with tape.
3. Invert the scanner and make sure the four
mounting holes are clear to accept bolts.
4 Mounting Holes
Clearing the Mounting Holes (AS 21RD4KW)
4 Mounting Holes
Installation
2
AS 12RD2KW: Box Contents*
A
A
Scanner/Antenna (1)
B
Lock Washers (4)
C
Bolts, Hex Metric M8 x 25mm (1 in.) (4)
B
F
NOTE: Do not remove the cover from the unit. There are no connections or adjustments inside the unit that are needed for
installation or operation. The cable must remain attached.
C
D
E
D
Flat Washers (4)
E
5A Fuses (2)
F
Adapter Cable (1)
AS 21RD4KW: Box Contents*
A
A
D
B
C
E
Scanner/Antenna (1)
B
Lock Washers (4)
C
Bolts, Hex Metric M10 x 25mm (1 in.) (4)
D
Flat Washers (4)
E
8A Fuses (2)
F
F
NOTE: Do not remove the cover from the unit. There are no connections or adjustments inside the unit that are needed for
installation or operation. The cable must remain attached.
*Box contents and features are subject to change without notice.
Adapter Cable (1)
3
Installation
Choose the Mounting Location
It is important to consider the following information when installing the scanner on the boat. Also, see Adjust
for Obstacles for more information.
WARNING!
Do NOT install the radar in a location that exposes passengersand crew to the radar beam. Do NOT mount
the radar where it could radiate on any person.
CAUTION! Working at higher elevations may become necessary while installing the scanner unit. Observe safety measures
and take sufficient precautions to avoid personal injury or damage to the equipment.
Center Line: The scanner unit should be mounted on
the center line of your boat in a location that has an
Center line
of boat
unobstructed view forward and is as clear as possible
the rest of the way around the unit.
Height: Choose a location as high as practical to
improve maximum range; however, keep in mind that
minimum range objects may be overlooked if mounted
too high.
Unobstructed View: Position the unit forward of large
structures and exhaust stacks. Large structures or
stacks cause blind spots. Contamination from engine
exhaust on the scanner housing reduces radar
performance.
Installation
• Antennas for GPS, radio communication, or other
equipment should not be located in the radar
beam.
• Use non-metallic extension poles to move the
active area of antennas above the radar beam.
Continued on next page...
4
Surface: The mounting surface must be flat and approximately parallel with the boat’s water line.
3/8”-1/2”
3/8”-1/2”
Surface Thickness: The mounting surface must support the weight of the scanner. The
recommended surface thickness is 3/8 to 1/2 in (9.5 mm to 13 mm). If the mounting surface is thin,
a doubler should be added. If it is thicker than recommended, longer bolts must be purchased
separately.
CAUTION! The scanner will be damaged if the bolts protrude more than 1/2 inch (13 mm).
Access: Access to the under side is required for installation of the mounting bolts.
Cable Routing: Test the cable route from the scanner to the control head and power location. Avoid
routing the interconnecting cable through areas of possible damage, from moving objects, machinery,
exposure to chemicals, or high temperature. See Installation: Connect Power for more information.
Mounting Surface (AS 12RD2KW)
(9.5 - 13 mm)
Flat Surface &
parallel to water line
Flat Surface &
parallel to water line
Minimum
Surface
Thickness
Underside Access
Mounting Surface (AS 21RD4KW)
(9.5 - 13 mm)
Minimum
Surface
Thickness
Underside Access
5
Installation
Adjust for Obstacles
R
D
Ls
R
D
Ls
Obstacles in the radar beam (such as a ship mast) can cause shadow zones, which will prevent you from
seeing targets behind the obstacle. Use the following sections to ensure a clear view for the radar.
Shifting from the Center Line
Shift the scanner position from the center line to the starboard side of the boat to move shadow zones to
the port side. This makes it possible to keep a clear view to the bow. The distance to be shifted can be
calculated using the following equation:
Ls=0.4R+D/2 [m] (when R<15m)
Ls=0.025R+D/2 [m] (when R>=15m)
where: Ls = distance to be shifted from center line
D = diameter of obstacle on center line
R = distance from scanner to obstacle
Shifting from the Center Line (AS 12RD2KW)
Scanner Unit
Center Line
Installation
Shifting from the Center Line (AS 21RD4KW)
Scanner Unit
Center Line
6
Obstacle
Obstacle
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