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Hemisphere GPS V104n, User Manual

The Hemisphere GPS V104n User Manual is a comprehensive guide that provides step-by-step instructions on effectively operating and optimizing the performance of the V104n device. This manual can be conveniently downloaded for free from our website, allowing users to easily access detailed information and enhance their product experience.

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V104n GPS Compass User Guide

3

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

Summary of Contents for V104n

Page 1: ...V104n GPS Compass User Guide Part No 875 0347 0 Rev A1 ...

Page 2: ...ective 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 hemispheregn...

Page 3: ...SS 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 ...

Page 4: ...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 ...

Page 5: ...2 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 ...

Page 6: ...V104n GPS Compass User Guide 1 Chapter 1 Introduction Overview Parts List ...

Page 7: ...orts 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 head...

Page 8: ...ispheregnss 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 Moun...

Page 9: ...4 Chapter 1 Introduction ...

Page 10: ...V104n GPS Compass User Guide 5 Chapter 2 V104n Installation Mounting Location Mounting Orientation Mounting Options Powering and Connecting to the V104n Connecting the V104 to External Devices ...

Page 11: ...antenna located on the side of the recessed arrow on the underside of the enclosure Locate any transmitting antennas away from the V104n by at least several feet to ensure tracking performance is not compromised giving you the best performance possible Make sure there is enough cable length to tie into the NMEA 2000 backbone of the vessel Do not locate the antenna where environmental conditions ex...

Page 12: ...ndwidth is 2MHz to 10 MHz which is dependent on the GPS antenna and receiver design see next page 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 significantly The radiated harmonic signal strength of different brands models varies Follow VHF radio manufacturers recommendatio...

Page 13: ...owing diagram to ensure there are no nearby devices that may cause VHF interference Figure 2 1 V104n distance from nearby VHF radios 1 5 m radius at top minimum 1 0 m radius at base minimum Use these minimum distances to determine where to place the V104n VHF Antenna ...

Page 14: ... true heading of the vessel You may need to adjust the pitch roll output to calibrate the measurement if the Vector is not installed in a horizontal plane Perpendicular Orientation You can also install the antennas so they are oriented perpendicular to the centerline of the boat s axis In this orientation You will need to enter a heading bias of 90 if the primary antenna is on the starboard side o...

Page 15: ...mmended orientation and resulting signs of HPR values Figure 2 3 Alternate orientation and resulting signs of HPR values Forward motion Recessed arrow located on bottom of enclosure Forward motion Recessed arrow located on bottom of enclosure ...

Page 16: ... shown in Figure 2 4 and Figure 2 5 Alignment accuracy when looking through the site Figure 2 4 and Figure 2 5 is approximately 1 Figure 2 4 Long site alignment channel Figure 2 5 Long sight alignment center post If you have another accurate source of heading data on your vessel such as a gyrocompass you may use its data to correct for a bias in V104n alignment within the V104n software configurat...

Page 17: ...g Options The V104n allows for both pole or flush mounting Follow directions below for detailed mounting directions V104n Dimensions Figure 2 6 and Figure 2 7 illustrates the physical dimensions of the V104n Figure 2 6 V104n dimensions ...

Page 18: ...V104n GPS Compass User Guide 13 Figure 2 7 V104n Dimensions with Adapter ...

Page 19: ...t 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 V104n end Secure along the cable route using plastic wraps Improperly installed cable near machinery can be dangerous ...

Page 20: ...radar mounting plate or an existing surface on your vessel Note Hemisphere GNSS does not supply the mounting surface hardware You must supply the appropriate fastening hardware required to complete the installation of the V104n Figure 2 8 Flush mounting with holes in the V104n Note You do not necessarily need to orient the antenna precisely as you can enter a software offset to accommodate for any...

Page 21: ... as necessary 3 Use a center punch to mark the hole centers 4 Drill the mounting holes to a diameter of 6 8mm 0 26 in appropriate for the surface 5 Drill the connector hole to a diameter of 28 6mm 1 13 in appropriate for the surface 6 Pull the cable through the center connector hole and attach the cable directly to the V104n ensuring the connector is fastened securely to the unit 7 Place the V104n...

Page 22: ...e pole mounting the V104n Determine your mounting orientation See Mounting Orientation on page 9 for more information Choose a location that meets the mounting location requirements Mark and drill the mounting holes as necessary for the threaded pole ...

Page 23: ... the bottom of the unit 5 Insert the base adapter into V104n by placing the tongue of the base into the groove of the V104n unit When the tongue is properly seated in the groove the rest of the base can be pressed into place to create a smooth seam between the base and V104n unit 6 Use 5 mm Allen key to fasten two M6 screws to secure V104n onto adapter Use 15 in lb torque 7 Insert each o ring onto...

Page 24: ...dapter And then connect the mating end of the cable to the V104 connector located on the bottom of the unit 5 Insert the base adapter into V104n by placing the tongue of the base into the groove of the V104n unit When the tongue is properly seated in the groove the rest of the base can be pressed into place to create a smooth seam between the base and V104n unit 6 Use 5 mm Allen key to fasten two ...

Page 25: ...continuous power The V104n power supply features reverse polarity protection but will not operate with reverse polarity See Table B 3 on page 43 for complete power specifications Do not apply a voltage higher than 36 VDC This will damage the receiver and void the warranty Electrical Isolation The V104n s power supply is isolated from the communication lines and the PC ABS plastic enclosure isolate...

Page 26: ...PGN for receiver configuration Please contact techsupport hemispheregnss com for a complete and up to date list of available proprietary PGN s With suitable USB CAN hardware from Kvaser or PEAK V104n can be connected to a Windows PC to use PocketMax or VectorPC for configuration and setup using the same serial commands as the NMEA0183 V104n Table 2 1 NMEA 2000 cable pin out Pin Function 1 Shield 2...

Page 27: ...22 Chapter 2 Installation ...

Page 28: ...V104n GPS Compass User Guide 23 Chapter 3 Operation GPS Overview V104n Overview Common Commands and Messages ...

Page 29: ...ically searches for GPS satellites acquires the signals and manages the navigation information required for position and tracking Receiver Performance The V104n works by finding four or more GPS satellites in the visible sky It uses information from the satellites to compute a position within 3 m Since there is some error in the GPS data calculations the V104n also tracks a differential correction...

Page 30: ...ors while enhancing system integrity Autonomous position capabilities of the V104n will result in position accuracies of 3 m 95 of the time In order to improve position quality to better than 1 0 m 95 the V104n is able to use differential corrections received through the internal SBAS demodulator Automatic SBAS Tracking The V104n automatically scans and tracks SBAS signals without the need to tune...

Page 31: ...ng arrow located on the bottom of the V104n enclosure defines system orientation The arrow points in the direction the heading measurement is computed when the antenna is installed parallel to the fore aft line of the vessel The secondary antenna is directly above the arrow Supplemental Sensors The V104n has an integrated gyro and two tilt sensors The gyro and tilt sensors are enabled by default B...

Page 32: ...ontal ring on the sphere s surface by reducing the search volume This considerably decreases startup and reacquisition times see Figure 3 1 Figure 3 1 V104n s tilt aiding Gyro Aiding The V104n s internal gyro offers several benefits It reduces the sensor volume to shorten reacquisition times when a GPS heading is lost because the satellite signals were blocked The gyro provides a relative change i...

Page 33: ...in the heading output messages There is no user control over the timeout period of the gyro Calibration which is set at the factory is required for the gyro to remove latency from the heading solution as well as provide backup heading when GPS is blocked The receiver will calibrate itself after running for a while but it may be important to follow the manual calibration instructions if you want to...

Page 34: ... setting Note For heading and rate of turn there is no lag once the gyro is calibrated and enabled Rate of Turn ROT time constant The default value of this constant is 2 0 seconds of smoothing Increasing the time constant increases the level of ROT smoothing Course Over Ground COG time constant The default value of this constant is 0 0 seconds of smoothing Increasing the time constant increases th...

Page 35: ... the transmission of a specific PGN addressed or broadcast On Request On Request 060928 ISO Address Claim Used to identify to other ECUs the address claimed by an ECU On Request On Request 126996 Product Information NMEA 2000 database version supported manufacturer s product code NMEA 2000 certification level Load Equivalency number and other product specific information On Request On Request 1264...

Page 36: ...PG No PGN Description Default Update Rate msec Freq Hz 126992 System Time The purpose of this PGN is twofold to provide a regular transmission of UTC time date and to provide synchronism for measurement data 1000 1 127250 Vessel Heading Heading sensor value with a flag for True or Magnetic If the sensor value is Magnetic the deviation field can be used to produce a Magnetic heading and the variati...

Page 37: ...e provided to enable recipients to determine an appropriate level of service if multiple transmissions exist 1000 1 129025 Position Rapid Update Provides latitude and longitude referenced to WGS84 Being defined as single frame message as opposed to other PGNs that include latitude and longitude and are defined as fast or multi packet this PGN lends itself to being transmitted more frequently witho...

Page 38: ...ltitude and Course Over Ground data This PGN can provide delta altitude changes down to 1 millimeter a change in direction as small as 0 0057 and with a delta time period accurate to 5 msec 100 10 129029 GNSS Position Data Conveys a comprehensive set of Global Navigation Satellite System GNSS parameters including position information 1000 1 129033 Time Date Single transmission that provides UTC ti...

Page 39: ...noise statistics can be translated in the position domain in order to give statistical measures of the quality of the position solution Intended for use with a Receiver Autonomous Integrity Monitoring RAIM application 1000 1 Table 3 4 Single Frame packet definition PGN EFXX Destination addressable MSGIDs Description 0x0001 N2K MCODE 0x0002 N2K PCODE 0x0003 N2K LOAD 0x0004 N2K CERT 0x0005 JVERSION ...

Page 40: ... JATT GYROAID 0x0013 JRESET 0x0014 JI serial number 0x0015 JRAIM 0x0016 JATT HIGHMP 0x0017 JAPP 0x0018 JAGE 0x0019 BIN1 stdev residuals 0x00A RD1 0x001B JK read 0x001C File Transfer Details 0x001 JWCONF 12 0x001E GNSS receiver boot loader reply messages 0x001F JI application version Table 3 4 Single Frame packet definition PGN EFXX Destination addressable MSGIDs Description ...

Page 41: ... JSMOOTH 0x0028 JATT HTAU 0x0029 JATT HRTAU 0x002A JATT COGTAU 0x002B JATT SPDTAU 0x002C JATT NEGTILT 0x002 JATT FLIPBRD 0x002E JATT LEVEL 0x002F JATT MOVEBAS 0x0030 CANMODE 0x0031 GPHEV Heave 0x0032 JSAVE 0x0033 DIAGNOSTICS 0x0034 INTLT Raw Tilt Values Table 3 4 Single Frame packet definition PGN EFXX Destination addressable MSGIDs Description ...

Page 42: ...on addressable MSGIDs Description 0x8001 N2K VERSION 0x8002 JK write 0x8003 JPOSOFFSET 0x8004 JVERSION 0x8005 JAUTH 0x8006 File Transfer Data Packet 0x8007 GNSS Boot loader Message 0x8008 Generic GNSS Serial Command 0x8009 RAW data transfer for differential 0x800A JI Extended info 0x800B N2K MODEL ...

Page 43: ...38 Chapter 3 Operation ...

Page 44: ...V104n GPS Compass User Guide 39 Appendix A Troubleshooting ...

Page 45: ...f power and data cable connections No GPS lock Verify the V104n has a clear view of the sky Verify the lock status of GPS satellites No SBAS lock Verify the V104n has a clear view of the sky Verify the lock status of SBAS satellites Note SBAS lock is only possible if you are in an appropriate SBAS region currently there is limited SBAS availability in the southern hemisphere No heading or incorrec...

Page 46: ...V104n GPS Compass User Guide 41 Appendix B Specifications ...

Page 47: ...AS SBAS tracking 2 channel parallel tracking Update rate 10 Hz standard position and heading Position accuracy Single Point1 SBAS2 1 m 95 3 m 95 Heading accuracy 2 RMS Heave accuracy3 30 cm RMS Pitch Roll accuracy 2 RMS Rate of turn 90 s maximum Cold start 60 s typical no almanac or RTC Warm start 20 s typical almanac and RTC Hot start 1 s typical almanac RTC and position Heading fix 10 s typical ...

Page 48: ...ted to enclosure Reverse polarity protection Yes Table B 4 Mechanical specifications Item Specification Enclosure UV resistant white plastic Geloy CR7520 ASA Dimensions not including mount Dimensions including mount 25 9 L x 12 9 W x 4 5 H cm 10 2 L x 5 1 W x 1 8 H in 25 9 L x 12 9 W x 12 8 H cm 10 2 L x 5 1 W x 5 0 H in Weight not including mount Weight including mount 0 42 kg 0 9 lb 0 51 kg 1 1 ...

Page 49: ...nvironment number of satellites in view SBAS coverage and satellite geometry 3 Based on a 40 second time constant Storage temperature 40 C to 85 C 40 F to 185 F Water and Dust IP69 Humidity 100 non condensing Vibration IEC 60945 EMC CE IEC 60945 Emissions and Immunity FCC Part 15 Subpart B CISPR22F Table B 5 Environmental specifications continued Item Specification ...

Page 50: ...nsiderations 6 F flush mount 15 G GPS automatic SBAS tracking 25 automatic tracking 24 operation 24 overview 24 receiver performance 24 reception 6 sensor specifications 42 gyro aiding 27 H heave accuracy 42 HRTAU 29 L long sight alignment 11 M mechanical specifications 43 message common 30 mounting alignment 11 environmental considerations 6 flush mount 15 GPS reception 6 location 6 orientation 9...

Page 51: ...eceiver performance 24 RS 232 21 S sensor specifications 42 short site alignment 11 SPDTAU 29 specifications communication 43 environmental 43 GPS sensor 42 mechanical 43 power 43 speed time constant 29 supplemental sensors 26 T tilt aiding 27 time constants 29 COGTAU 29 HRTAU 29 SPDTAU 29 tracking automatic 24 automatic SBAS 25 troubleshooting 40 V VHF interference 7 W watchdog 29 ...

Page 52: ...tions to existing Software 4 SUPPORT Hemisphere may make available directly or through its authorized dealers telephone and email support for the Software Contact Hemisphere to find the authorized dealer near you As well Hemisphere may make available user and technical documentation regarding the Software Hemisphere reserves the right to reduce and limit access to such support at any time 5 BACKUP...

Page 53: ...that Hemisphere has set its prices and the parties have entered into this Agreement in reliance on the limited warranties warranty disclaimers and limitations of liability set forth herein that the same reflect an agreed to allocation of risk between the parties including the risk that a remedy may fail of its essential purpose and cause consequential loss and that the same forms an essential basi...

Page 54: ... the fault of the non performing party 25 FORUM FOR DISPUTES The parties agree that the courts located in Calgary Alberta Canada and the courts of appeal there from will have exclusive jurisdiction to resolve any disputes between Licensee and Hemisphere concerning this Agreement or Licensee s use or inability to use the Software and the parties hereby irrevocably agree to attorn to the jurisdictio...

Page 55: ...ce or accuracy of any Product HEMISPHERE IS NOT RESPONSIBLE FOR PURCHASER S NEGLIGENCE OR UNAUTHORIZED USES OF THE PRODUCT IN NO EVENT SHALL Hemisphere GNSS BE IN ANY WAY RESPONSIBLE FOR ANY DAMAGES RESULTING FROM PURCHASER S OWN NEGLIGENCE OR FROM OPERATION OF THE PRODUCT IN ANY WAY OTHER THAN AS SPECIFIED IN Hemisphere GNSS S RELEVANT USER S MANUAL AND SPECIFICATIONS Hemisphere GNSS is NOT RESPO...

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