Simrad HS75 Bedienungsanleitung
ENGLISH
HS75
User Manual
www.navico-commercial.com
Preface
Disclaimer
As Navico is continuously improving this product, we retain the right to make changes to the
product at any time which may not be reflected in this version of the manual. Please contact your
nearest distributor if you require any further assistance.
It is the owner’s sole responsibility to install and use the equipment in a manner that will not cause
accidents, personal injury or property damage. The user of this product is solely responsible for
observing maritime safety practices.
NAVICO HOLDING AS AND ITS SUBSIDIARIES, BRANCHES AND AFFILIATES DISCLAIM ALL LIABILITY
FOR ANY USE OF THIS PRODUCT IN A WAY THAT MAY CAUSE ACCIDENTS, DAMAGE OR THAT MAY
VIOLATE THE LAW.
This manual represents the product as at the time of printing. Navico Holding AS and its subsidiar-
ies, branches and affiliates reserve the right to make changes to specifications without notice.
Governing language
This statement, any instruction manuals, user guides and other information relating to the product
(Documentation) may be translated to, or has been translated from, another language (Translation).
In the event of any conflict between any Translation of the Documentation, the English language
version of the Documentation will be the official version of the Documentation.
Compliance statements
Declarations
The relevant declarations of conformity and certificates are available at:
www.navico-commercial.com
Europe
Navico declare under our sole responsibility that the product conforms with the requirements of:
CE under RED Directive 2014/53/EU.
United States of America
Warning: The user is cautioned that any changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority to operate the equipment.
Australia and New Zealand
Navico declare under our sole responsibility that the product conforms with the requirements of:
Level 2 devices of the Radiocommunications (Electromagnetic Compatibility) standard 2017.
Copyright
Copyright © 2020 Navico Holding AS.
Warranty
The warranty card is supplied as a separate document.
In case of any queries, refer to the our website:
www.navico-commercial.com
Trademarks
Navico® is a registered trademark of Navico Holding AS.
Simrad® is used by license from Kongsberg.
NMEA® and NMEA 2000® are registered trademarks of the National Marine Electronics
Association.
Other trademarks are the properties of their respective owners.
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Preface | HS75 User Manual
Important text conventions
Important text that requires special attention from the reader is emphasized as follows:
¼Note: Used to draw the reader’s attention to a comment or some important information.
!Warning: Used when it is necessary to warn personnel that they should proceed carefully to
prevent risk of injury and/or damage to equipment/ personnel.
4 | Preface | HS75 User Manual
Contents
6 Introduction
6 Overview
6 Parts
7 Installation
7 Wiring guidelines
7 Mounting location
8 Mounting orientation
11 Wiring details
12 Dimensional drawings
13 Troubleshooting
14 Supported data
14 NMEA 2000 messages received based on a request
14 NMEA 2000 transmitted messages
18 Technical specications
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Contents | HS75 User Manual
Introduction
Overview
The HS75 GNSS Compass supports GPS, GLONASS, Galileo, QZSS, and BeiDou satellites.
The HS75 GNSS antennas are separated by 20 cm (7.87”) between phase centers, resulting in a
heading performance of better than 0.75° RMS. The HS75 can provide heading and positioning
updates at 10 Hz and delivers positioning accuracy of 0.6 m 95% of the time when using differential
GPS corrections from Satellite Based Augmentation Systems (SBAS).
The HS75 houses the following:
Dual GNSS, multipath-resistant antennas
Six-axis rate sensor (gyro)
GNSS receivers and processors
Standard NMEA 2000 Micro-C port for power and data
The six-axis rate sensor improves system performance and provides backup heading information in
the event a GNSS heading is not available due to signal blockage. The sensor provides a substitute
heading, accurate to within 1º per minute for up to three minutes.
Parts
An HS75 installation requires the following parts:
Part name Qty.
HS75 receiver 1
NMEA 2000 drop cable (not included) 1
Fastening screws (depending on mounting option, not included) 4
Cable ties -
1
6 | Introduction | HS75 User Manual
Installation
Wiring guidelines
Before mounting the HS75, consider the following regarding the NMEA 2000 cable routing:
• Avoid running the cable in areas of excessive heat.
• Keep cable away from corrosive chemicals.
• Do not run the cable through door or window jams.
• Keep cable away from rotating machinery.
• Do not crimp or excessively bend the cable.
• Avoid cable tension.
• Secure the cable along the cable route using cable ties.
Warning: Improperly installed cable near machinery can be dangerous.
Mounting location
This section provides information on determining the best location for the HS75. Choose
a mounting location that will not expose the unit to conditions that exceed the technical
specifications.
GNSS reception
Ensure that the HS7 has a clear view of the sky and that the view is not blocked by obstructions
that may reduce system performance.
Position information is based on the primary GNSS antenna located at the opposite end of the
housing to the recessed arrow (A) on the underside of the housing.
A
Make sure that any transmitting antennas are mounted away from the HS75 by at least 2 m (6.5 ft)
to ensure tracking performance is not compromised. Refer to the documentation supplied with the
transmitting antenna for minimum safe distances.
Distance to other GNSS/GPS antennas should be minimum 0.5 m (1.6 ft).
2
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Installation | HS75 User Manual
VHF interference
VHF interference from cellular phones and radio transmitters may interfere with GNSS operation.
GNSS gain pattern
VHF gain pattern
VHF antenna
HS75
A
B
C
A Minimum horizontal spacing: 2 m (6.5 ft).
B Minimum vertical spacing: 2 m (6.5 ft).
C Minimum cable separation: 0.3 m (1 ft) for the first 5 m (16.5 ft).
Mounting orientation
Mount the HS75 parallel to, and along the centerline of the axis of the boat. Doing so, provides a
true heading. The recessed arrow (A) under the antenna housing should point towards the bow of
the vessel.
+H
+R
-R
-H
-P
+P
P
S
A
• You can enter a heading offset from a compatible display unit.
• You will have an offset in the pitch/roll output if the unit is not installed on a horizontal plane.
8 | Installation | HS75 User Manual
Alignment
The top of the enclosure incorporates sight design features to help you align the enclosure with
respect to the vessel.
Alignment accuracy is
approximately +/- 2°.
Mounting Options
The HS75 offers four different mounting options:
• Surface mounting options:
• No adapter, HS75 is secured with screws from the underside of the mounting surface. Cable
exits through the mounting surface.
• Using a low profile adapter secured with screws from the top of the mounting surface. Cable
exits through the mounting surface.
• Using a high profile adapter secured with screws from the top of the mounting surface.
Cable exits through the adapter, above the mounting surface.
• Pole Mounting
Surface mounting without an adapter
1 Use the supplied mounting template to mark and drill the required holes for the screws and the
cable.
2 Place the HS75 over the mounting holes and insert the mounting screws (M8) through the
bottom of the mounting surface into the HS75.
3 Tighten to a torque of 11 - 13 NM (8 - 10 lbs-ft). The maximum thread depth engagement must
be no more than 12 mm (0.50“).
4 Connect the NMEA 2000 drop cable to the HS75.
Surface mounting with adapter
1 Secure the upper adapter to the HS75 using the supplied mounting hardware. Tighten to a
torque of 11 - 13 Nm (8 - 10 lbs-ft). The maximum thread depth engagement must be no more
than 12 mm (0.50“).
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Installation | HS75 User Manual
2 Use the lower part of the adapter as a template and mark and drill holes (x1 - x4) for the screws.
For the low profile adapter (A) where the cable exits through the bottom, also mark and drill
a hole for the cable. For the high profile lower adapter (B) where the cable exits above the
mounting surface, no cable hole is required.
A A1
A1
A1 A1
A2 BB1 B1
B1 B1
3 Route the cable through the adapter and secure the lower adapter to the installation surface.
Tighten to a maximum torque of 13 Nm (10 lbs-ft).
4 Connect the NMEA 2000 drop cable to the HS75 and place the HS75 assembly into the lower
adapter so that the four latches snap into place.
¼Note: To remove the HS75, press in the clips on one side, at which point the HS75 can easily be
removed.
Pole mounting
1 Screw the jam nut onto the 1-inch pole, then screw the pole mount bracket onto the pole. Do
not tighten the pole mount to more than 5.4 Nm (4 lbs-ft).
2 Feed the cable either through the hollow pole or through the opening in the pole mount
bracket.
3 Connect the NMEA 2000 drop cable to the HS75, then secure the pole mount bracket to the
HS75 using the supplied mounting hardware. Tighten to a torque of 11 - 13 Nm (8 - 10 lbs-ft).
The maximum thread depth engagement must be no more than 12 mm (0.50“).
10 | Installation | HS75 User Manual
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