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Technical Specification 

 

System

 

Bi-phase data modulation 4800 baud NMEA 0183/ASCII data messages 

 

GPS

  

12 channel all in view, fully dynamic GPS receiver 

 

Accuracy

  

Better than 15 metres RMS unaided, 3 metres DGPS. 

 

Power

 

9 volts PP3 battery (500mAH), 4 hours continuous use 

 

Size

 

145 x 82 x 32 – robust extruded aluminium case 

 

Data output

 

RS232 NMEA 0183 as input from GPS receiver. 

 

GPS data - real time 

 

1 PPS from internal GPS receiver – real time 

 

NMEA 0183 messages:-  $GPGGA, $GPRMC, $GPZDA 

 

Connections

 

Modulated data input/output - Phono (RCA jack)   
RS232 output, GPS data, 1PPS, etc - 9 way “D” socket 
2.1mm - DC power jack 

 

Monitoring 

GPS fix/1PPS 
Sync Lock 
Bit lock 

 
Serial data 

9 Way D socket (for DCE modem type connections) 

 
Pin # 
 

1

 = DCD  

1 = Encode, 0 = Decode 

6

 = DSR 

1 PPS from internal GPS receiver 

2

 = TX  o/p 

GPS data - RS232 o/p 

7

 = RTS 

link to CTS - pin 8 

3

 = RX  i/p 

Ext GPS or DGPS (RTCM) 

8

 = CTS 

link to RTS - pin 7 

4

 = DTR 

1 = Ext’ GPS data i/p   

9

 = RI   

“1” (~9 v) link to pin 4 for ext’ GPS  

5

 = 0 volts  

Common return input/output 

SCR

   

Shell/Jack screw = 0 volts 

 

 

 

Содержание CamNav

Страница 1: ...Operating Manual ...

Страница 2: ...ies 3 Introduction to GPS 3 Introduction to GIS 3 Installation of PC Program 3 Encoding 4 Set up 4 Positioning of GPS Antenna 4 Power Supply 4 Use of Microphone Adapter 4 Operation 4 Decoding 5 Set up 5 Operation 5 Low Battery Indicator 5 Technical Specification 6 ...

Страница 3: ...on the planet at any time at least three and usually more satellites are visible 24 hours a day in an unobstructed view of the sky These satellites permanently broadcast a signal which allows a receiver on the ground to ascertain its position on the planet to an accuracy of around 10 metres Introduction to GIS Geographical Information Systems a development of computer technology related to data ba...

Страница 4: ...upply CamNav runs from either its internal battery or an external supply The internal battery is of type PP3 9Volts 500 mAh Duracell Ultra or similar is recommended An external supply must be a dc supply such as a 12 Volts dc car supply with a 15 Volts maximum The power supply specified above should be connected after all other connections are made Use of Microphone Adapter CamNav uses one channel...

Страница 5: ...ed on the CD Note that the program must be installed to run See Installation above If a video card is available on the PC the video from the camcorder may be displayed on a window from this device alongside the data display using CamNav exe Alternatively by using CamNav Mapper the position and picture may be simultaneously plotted on the moving map by following the instructions for this comprehens...

Страница 6: ... from internal GPS receiver real time NMEA 0183 messages GPGGA GPRMC GPZDA Connections Modulated data input output Phono RCA jack RS232 output GPS data 1PPS etc 9 way D socket 2 1mm DC power jack Monitoring GPS fix 1PPS Sync Lock Bit lock Serial data 9 Way D socket for DCE modem type connections Pin 1 DCD 1 Encode 0 Decode 6 DSR 1 PPS from internal GPS receiver 2 TX o p GPS data RS232 o p 7 RTS li...

Страница 7: ... 7 Sulby Near Welford Northamptonshire NN6 6EZ United Kingdom Tel 44 0 1858 880857 Fax 44 0 1858 880859 Email sales navtechsystems co uk Web www navtechsystems co uk Navtech Systems Limited ...

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