Simrad HS70 User Manual
ENGLISH
HS70
User Manual
www.simrad-yachting.com
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Preface | HS70 User Manual
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 refl ected 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 instrument and transducers in a
manner that will not cause accidents, personal injury or property damage. The user of this
product is solely responsible for observing safe boating 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.
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 confl ict between any
Translation of the Documentation, the English language version of the Documentation will be
the offi cial version of the Documentation.
This manual represents the product as at the time of printing. Navico Holding AS and its
subsidiaries, branches and affi liates reserve the right to make changes to specifi cations
without notice.
Compliance
The HS70 complies with the following regulations:
• FCC Part 15, Subpart B
• CE compliant with R&TTE directive
For further compliance information please refer to our website: www.simrad-yachting.com
Copyright
Copyright © 2011 Navico Holding AS.
Warranty
The warranty card is supplied as a separate document.
In case of any queries, refer to the our website: www.simrad-yachting.com
About this manual
This manual is a reference guide for installing and using the Simrad HS70.
Important text that requires special attention from the reader is emphasized as follows:
Note: 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.
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Contents | HS70 User Manual
Contents
1 Introduction
1 Overview
1 Parts
2 Installation
2 Mounting Location
2 Mounting Orientation
3 Mounting Options
5 Connecting the cable
5 Ports
7 Default Parameters
8 Operation
8 GPS Overview
8 HS70 Overview
10 Troubleshooting
11 Parts list
11 Included in package
11 Access o r i e s
11 Spare parts
12 Speci cations
12 TGPS sensor specifi cations
12 Communication specifi cations
13 Power specifi cations
13 Me chan ical sp e cifi cati ons
13 Environmental specifi cations
14 HS70 Dimensions
15 PGNs with the HS70 in NMEA 2000 mode
18 NMEA 0183 messages
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Introduction | HS70 User Manual
Introduction
Overview
The HS70 is a complete GPS compass and positioning system in a single enclosure that
requires only one power/data cable connection. With its NMEA 2000 and NMEA 0183 support
and ease of installation, the HS70 is the perfect solution for marine applications.
The HS70 is an integrated system that houses the following:
• Dual integrated GPS antennas
• Power supply
• Single axis gyro
• Tilt sensor on each axis (X and Y axes)
• Standard NMEA 2000 port (cable to be ordered separately)
• Standard NMEA 0183 port (cable to be ordered separately)
The gyro and tilt sensors are present to improve system performance and to provide backup
heading information in the event that a GPS heading is not available due to signal blockage.
The HS70’s GPS antennas are separated by 27.5 cm between their phase centers, resulting
in better than 0.75° rms heading performance. The HS70 provides heading and positioning
updates of up to 20 Hz and delivers positioning accuracy of better than 1.0 m 95% of the time
when using diff erential GPS corrections from Space Based Augmentation Systems (SBAS).
Parts
An HS70 installation requires the following parts:
Part Name Qty
HS70 receiver 1
NMEA 2000 or NMEA 0183 cable (not included, must be ordered separately) 1
4 fastening bolts and washers, M8 for fi xed or pole mount (not included) 4
Plastic wraps for cable securing (not included) -
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Installation | HS70 User Manual
Installation
Mounting Location
This section provides information on determining the best location for the HS70.
GPS Reception
When considering where to mount the HS70, consider the following GPS reception
recommendations:
• Consider GPS (and hence SBAS) reception, ensuring there is a clear view of the sky available
to the HS70 so the GPS and SBAS satellites are not masked by obstructions that may reduce
system performance
• Since the HS70 computes a position based on the internal primary GPS antenna element,
mount the HS70 where you desire a position with respect to the primary GPS antenna
(located on the end opposite the recessed arrow on the underside of the enclosure)
• Locate any transmitting antennas away from the HS70 (refer illustration below) to ensure
tracking performance is not compromised, giving you the best performance possible
• Make sure there is enough cable length to route into the vessel to reach a breakout box,
terminal strip or NMEA 2000 T-connector
• Do not locate the antenna where environmental conditions exceed those specifi ed in
“Specifi cations” on page 12.
VHF Interference
VHF interference from such devices as cellular phones and radio transmitters may interfere
with GPS operation. For example, if installing the HS70 near marine radios consider the
following:
• VHF marine radio working frequencies (Channels 1 to 28 and 84 to 88) range from 156.05 to
157.40 MHz. The L1 GPS working center frequency is 1575.42 MHz. The bandwidth is +/- 2 MHz
to +/- 10 MHz, which is dependent on the GPS antenna and receiver design
• VHF marine radios emit strong harmonics. The 10th harmonic of VHF radio, in some channels,
falls into the GPS working frequency band, which may cause the SNR of GPS to degrade
signifi cantly
• The radiated harmonic signal strength of diff erent brands/models varies
• Follow VHF radio manufacturers’ recommendations on how to mount their radios and what
devices to keep a safe distance away
• Handheld 5 W VHF radios may not provide suitable fi ltering and may interfere with the HS70’s
operation if too close
Ensure there are no nearby devices that may cause VHF interference. Use minimum distances
from nearby VHF antenna as shown on the illustration.
Mounting Orientation
The HS70 outputs heading, pitch, and roll readings. However, the relation of the antennas
to the boat’s axis determines whether you will need to enter a heading off set. The primary
antenna is used for positioning and the primary and secondary antennas, working in
conjunction, output heading, pitch, and roll values.
Mount the HS70 parallel to, and along the centerline of, the axis of the boat. This provides a
true heading. In this orientation:
• You can enter a heading off set in a Simrad compatible head unit (AP24, AP28, AP70, AP80, IS20
Graphic/Combi) to calibrate the physical heading to the true heading of the vessel
• You will have an off set in the pitch/roll output if the unit is not installed in a horizontal plane
The fi gure shows recommended orientation and resulting signs of heading (H), pitch (P) and
roll (R) values.
1.5 m (4.9 ft
radius
at top
1.0 m (3.3 ft)
radius
at base
+H
+R
-R
-H
-P
+P
P
S
2
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Installation | HS70 User Manual
HS70 Alignment
The top of the HS70 enclosure incorporates sight design features to help you align the
enclosure with respect to your vessel.
To use the sights, center the small post on the opposite side of the enclosure from you, within
the channel made in the medallion located in the center of the enclosure top as shown in the
fi gures below.
Alignment accuracy when
looking through the long site is
approximately +/- 1°
Alignment through the short
site is approximately +/- 2.5°
Mounting Options
The HS70 allows for two diff erent mounting options: fi xed mount and pole mount. Refer
“HS70 Dimensions” on page 14.
• Flush mount - The bottom of the HS70 contains four M8 holes for fl ush mounting the unit to
a fl at surface
• Pole mount - The bottom of the HS70 contains a mounting hole (1” thread, 0.9” depth) for
easy pole mounting. Hand tighten until snug (do not overtighten). The set screws on the long
sides of the base allow you to secure the HS70 in place (3/16” Allen wrench not included)
Note: Mounting accessories not included.
Cable mounting considerations
Before mounting the HS70 consider the following regarding power/data cable routing:
• Cable must reach an appropriate power source
• Cable may connect to a data storage device, computer, or other device that accepts GPS data
• 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 placing tension on the cable
• Remove unwanted slack from the cable at the HS70 end
• Secure along the cable route using plastic wraps
Warning: Improperly installed cable near machinery can be dangerous.
Fixed Mount
The bottom of the HS70 contains four holes for fl ush mounting the unit to a fl at surface. See
fi gure below. The fl at surface may be something you fabricate per your installation, an off -theshelf item (such as a radar mounting plate), or an existing surface on your vessel.
Note: HS70 does not include the mounting surface hardware. You must supply the appropri-
ate fastening hardware required to complete the installation of the HS70.
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Installation | HS70 User Manual
Note: You do not necessarily need to orient the antenna precisely as you can enter a software
off set to accommodate for any off set in heading measurement due to installation.
Before x mounting the HS70
• Choose a location that meets the mounting location requirements
• Use the mounting template, mark and drill the mounting holes as necessary for the mounting
surface
• Attach the cable to the HS70 and secure the cable
Fix mounting the HS70
1. Mark the mounting hole centers on the mounting surface.
2. Place the HS70 over the marks to ensure the planned hole centers align with the true hole centers
(adjusting as necessary).
3. Use a center punch to mark the hole centers.
4. Drill the mounting holes with a 9 mm bit appropriate for the surface.
5. Place the HS70 over the mounting holes and insert the mounting screws through the bottom of the
mounting surface and into the HS70.
Warning: When installing the HS70, hand tighten only. Damage resulting from
overtightening is not covered by the warranty.
Pole Mount
Keep the following in mind when using a pole mount:
• Mounting hole is 1” thread, 0.9” depth
• Hand tighten until snug (do not overtighten) while ensuring correct orientation
• Use the set screws on the long sides of the base to secure the HS70 in place (3/16” Allen
wrench not included)
Warning: Overtightening may damage the system. This is not covered under
warranty.
Before pole mounting the HS70
• Install the HS70 parallel with the vessel’s axis.
• Choose a location that meets the mounting location requirements.
• Attach the cable to the HS70 and secure the cable.
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