Humminbird HRS1 Installation Manual
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HRS1 Heading Sensor
Installation Manual
HRS1 Heading Sensor
Installation Manual
532006-2_A
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Table of Contents
Introduction.............................................................................. 3
Safety Instructions.................................................................... 4
Tools & Materials..................................................................... 5
Choosing the Mounting Location............................................. 6
Installing................................................................................... 7
Mounting on a Vertical Surface................................................ 7
Flush Mounting on a Horizontal Surface..................................10
Connecting................................................................................11
Calibrating the Compass...........................................................15
Maintenance..............................................................................16
Troubleshooting........................................................................16
Contact Humminbird®..............................................................20
Humminbird® is a registered trademark of Johnson Outdoors Marine Electronics, Inc.
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Thank You!
IMPORTANT: Please read the instructions
completely before proceeding with the installation.
These instructions supersede any ot he r inst ru ctio n s
in your instrument manual if they differ.
Thank you for choosing Humminbird®, the #1 name in Fishfinders. Humminbird®
has built its reputation by designing and manufacturing top-quality, thoroughly
reliable marine equipment. Your Humminbird® accessory is designed for troublefree use in even the harshest marine environment. In the unlikely event that your
Humminbird® accessory does require repairs, we offer an exclusive Service
Policy - free of charge during the first year after purchase, and available at a
reasonable rate after the one-year period. For complete details, see the separate
warranty card included with your accessory. We encourage you to read this
manual carefully in order to get full benefit from all the features and applications of
your Humminbird® product.
Introduction
The Humminbird® HRS1 Heading Sensor is actually three sensors in a single
unit—a three-axis magnetic compass, a three-axis accelerometer, and a threeaxis rate gyro. The compact housing is waterproof with a single removable cable.
Functions
• Magnetic compass heading
• Rate of Turn
• Angle of pitch and roll
• Rate of pitch and roll
Features
• Waterproof housing
• Waterproof cable system
• Fast response time
• Stable and accurate data in dynamic conditions
• Can be calibrated to compensate for magnetic deviation caused by ferrous
metals and other electro-magnetic fields
• Bracket or flush mount
Output
• NMEA 0183: RS-232 interface
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Follow the safety precautions below to reduce the risk of poor product
WARNING
Navigation Aid Only—The sensor is only an aid to
navigation and should never be solely relied upon. It is not a
replacement for traditional navigation aids and techniques,
and human judgement. Only official government nautical
charts contain all the information needed for safe navigation.
performance, property damage, personal injury, and/or death.
WARNING: Correct Installation Important
The sensor must be installed and operated according to the instructions in this
owner’s guide.
WARNING: Steel Vessel
Do not install the Heading Sensor within a steel hull because it is a ferrous
(magnetic) material.
WARNING: Compass Safe Distance
The sensor must be a minimum of 0.3m (1') from other standard and steering
compasses.
WARNING: Do Not Install Near Artificial Magnetic Field
Observe a safe distance from ferrous metals and anything that can create a
magnetic field to prevent interference to the magnetic compass.
WARNING: Electrical Safety
The power supply must be OFF before making electrical connections.
WARNING: Voltage
The power supply voltage must be 9 - 24 VDC.
WARNING: Fuse or Circuit Breaker
A safe installation requires a 0.5 amp fast-blow fuse or circuit breaker.
WARNING: Battery
Make power connections to a power source that is isolated from the engine start
battery(s). Voltage drops may cause the sensor to lose information and/or change
operating mode.
WARNING: Installation Safety
Always wear safety goggles and a dust mask when installing.
WARNING: Calibrating the Compass
The internal compass may need to be calibrated on the water after the sensor is
installed. Perform the pretest to determine if calibration is necessary.
WARNING:
This product contains chemicals known to the State of California to cause cancer
and/or reproductive harm.
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WARNING:
Disassembly and repair of this electronic unit should only be performed by
authorized service personnel. Any modification of the serial number or attemp t to
repair the original equipment or accessories by unauthorized individuals will void
the warranty.
Materials Supplied
Installation and Operations Manual
Heading Sensor
Bag of Heading Sensor hardware
Bracket
Bag of bracket hardware
Junction box
Serial Cable (RS-232) 1m
Sensor Cable C47
Power Cable C2
Tools & Materials Needed
Safety goggles
Dust mask
Torpedo level
Pencil
Electric drill
Drill bits and hole saws:
Pilot hole 3mm or 1/8"
Bracket screw holes 4mm, #23, or 9/64"
Flush mount stud holes 6mm or 1/4"
Flush mount cable hole 38mm or 1-1/2"
Phillips screwdrivers
Marine sealant (aluminum hull)
Loctite® 242® or other removable thread locker (Flush Mount installation)
Deck gland (some installations)
Grommets (some installations)
Cutting pliers (some installations)
Alcohol
Heat-shrink tubing
Heat gun
Wire strippers
Slip-joint pliers
Cable ties (some installations)
Multimeter
NOTE: Product specifications and features are subject to change without notice.
Where to Purchase Parts
Lost, broken, or
worn parts should be replaced immediately.
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