Hemisphere GPS V104n Manuel utilisateur

V104n GPS Compass

User Guide

Part No. 875-0347-0 Rev. A1

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation.

No part of this manual may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into

any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical,

chemical, manual or otherwise, without the prior written permission of Hemisphere GNSS.

Trademarks

Hemisphere GNSS®, the Hemisphere GNSS logo, COASTTM, PocketMAXTM, Crescent®and VectorTM are proprietary

trademarks of Hemisphere GNSS, Inc. Other trademarks are the properties of their respective owners.

Patents

Hemisphere GNSS products may be covered by one or more of the following patents:

Other U.S. and foreign patents pending.

Notice to Customers

Contact your local dealer for technical assistance. To find the authorized dealer near you:

Hemisphere GNSS, Inc.

8444 N 90th St, Suite 120

Scottsdale, AZ 85258 USA

Phone: (480) 348-6380

Fax: (480) 270-5070

precision@hemispheregnss.com

www.hemispheregnss.com

Technical Support

If you need to contact Hemisphere GNSS Technical Support:

Hemisphere GNSS, Inc.

8444 N 90th St, Suite 120

Scottsdale, AZ 85258 USA

Phone: (480) 348-6380

Fax: (480) 270-5070

techsup[email protected]

U.S. Patents Australia Patents

6111549 6876920 7400956 8000381 8214111 2002244539

6397147 7142956 7429952 8018376 8217833 2002325645

6469663 7162348 7437230 8085196 8265826 2004320401

6501346 7277792 7460942 8102325 8271194

6539303 7292185 7689354 8138970 8307535

6549091 7292186 7808428 8140223 8311696

6711501 7373231 7835832 8174437 8334804

6744404 7388539 7885745 8184050 RE41358

6865465 7400294 7948769 8190337

Documentation Feedback

Hemisphere GNSS is committed to the quality and continuous improvement of our products and services. We urge

you to provide Hemisphere GNSS with any feedback regarding this guide by writing to the following email

address: techsupport@hemispheregnss.com.

V104n GPS Compass User Guide

Contents

Chapter 1 Introduction

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 2 V104n Installation

Mounting Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

GPS Reception. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

V104n Environmental Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

VHF Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Mounting Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

V104n Alignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Mounting Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

V104n Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Cable Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Flush Mount. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Pole Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Powering and Connecting to the V104n. . . . . . . . . . . . . . . . . . . . . . . . . . 20

Power Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Electrical Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

NMEA 2000 Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 3 Operation

GPS Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

GPS Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Contents

Differential Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

V104n Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Supplemental Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Time Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Common Commands and Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

End User License Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Warranty Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

V104n GPS Compass User Guide

Chapter 1: Introduction

Overview

Parts List

Chapter 1: Introduction

Overview

The V104n™ GPS Compass is based upon Hemisphere GNSS’ exclusive

Crescent®and Crescent Vector™ II technology.

The V104n is a complete GPS compass and position system in a single

enclosure that requires a standard NMEA 2000 cable connection. With

NMEA 2000 support and ease of installation, the V104n is the perfect

solution for marine-based applications.

The V104n is an integrated system that houses the following:

• Crescent and Crescent Vector II technology

• Dual integrated GPS antennas

• Power supply

• Single axis gyro

• Tilt sensor on each axis (X and Y axes)

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.

Crescent Vector II technology supports multiple RF front ends - enabling

tighter coupling of measurements from separate antennas for use in

heading-based products. Users will achieve excellent accuracy and stability

due to Crescent’s more accurate code phase measurements, improved multi-

path mitigation, and fewer components.

The V104n’s GPS antennas are separated by 13.5 cm between their phase

centers, resulting in better than 2° rms heading performance. The V104n

provides heading and position updates of up to 10 Hz and delivers position

accuracy of better than 1.0 m 95% of the time when using differential GPS

corrections from Space Based Augmentation Systems (SBAS).

The V104n also features Hemisphere GNSS’ exclusive COAST™ technology

that enables Hemisphere GNSS receivers to utilize old differential GPS

correction data for 40 minutes or more without significantly affecting the

position quality. The V104n is less likely to be affected by differential signal

outages due to signal blockages, weak signals, or interference when using

COAST.

V104n GPS Compass User Guide

If you are new to GPS and SBAS, refer to the GPS Technical Reference for

further information on these services and technologies before proceeding.

The GPS Technical Reference is available from the Hemisphere GNSS

website at www.hemispheregnss.com.

Parts List

Note: The V104n’s parts comply with IEC 60945 Section 4.4: “exposed to the

weather.”

This User Guide is available for download from the Hemisphere GNSS

website at www.hemispheregnss.com.

Table 1-1: Parts list for V104n

Part Name Qty Part Number

V104n GPS Compass (NMEA 2000) 1 804-0128-0

Screw Housing Caps 2 675-0173-0

Mounting Screws 2 675-1199-000#

Mounting Base 1 676-0035-0

Mounting Nut 1 676-1021-000#

Screw Housing Cap O-Rings 2 681-1066-0

Chapter 1: Introduction

V104n GPS Compass User Guide

Chapter 2: V104n Installation

Mounting Location

Mounting Orientation

Mounting Options

Powering and Connecting to the V104n

Connecting the V104 to External Devices

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