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FIELD OF VIEW GEOSNAP EXPRESS User Manual

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GeoSnap Express
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Summary of Contents for FIELD OF VIEW GEOSNAP EXPRESS

  • Page 1 GeoSnap Express User Manual...
  • Page 2 Date Revision 6/18/15 Manual created 12/14/15 Added Troubleshooting section 2/11/16 Updated to match 2.3.x firmware 3/28/16 Added File synchronization section 5/23/16 Updated to match 2.4.x firmware 6/29/16 Updated...

  • Page 3: Table Of Contents

    The GeoSnap Express ........................2 System components ........................2 Getting Started ........................4 Installing the GeoSnap Express on a DSLR camera ..............5 Using the wired remote trigger ....................7 Using the 6-position I/O port ....................... 7 Powering the GeoSnap system ....................8 Loading new firmware onto the GeoSnap system ...............

  • Page 4: Introduction

    Introduction In this section:  The GeoSnap Express  System components © Field of View 2016 GeoSnap Express User Manual 1 1 1 1 1 1...

  • Page 5: The Geosnap Express

    Introduction The GeoSnap Express The Field of View GeoSnap system was developed to streamline camera payload integration, facilitate intelligent triggering, and produce a valuable log of position and ground track heading conditions at the moment of image capture. System components...
  • Page 6 Introduction Accessories Wired trigger pigtail Velcro mounting patch IR trigger cable MicroSD card adapter Power pigtail 6-position housing 6-position I/O wires GPS antenna © Field of View 2016 GeoSnap Express User Manual...

  • Page 7: Getting Started

     Using the wired remote trigger  Using the 6-position I/O port  Powering the GeoSnap system  LED codes  Loading new firmware onto the GeoSnap system © Field of View 2016 GeoSnap Express User Manual 4 4 4 4 4 4...

  • Page 8: Installing The Geosnap Express On A Dslr Camera

    Getting Started Installing the GeoSnap Express on a DSLR camera Place the hotshoe module Tighten down the onto the camera’s hotshoe hotshoe module by mount twisting the lock Note: Make sure you mount the GPS antenna with the top facing up and with a clear view of the sky.
  • Page 9 IR LED port on control sensor the hotshoe module Attach the IR LED to the camera over remote control sensor (you can do this by using a piece of tape) © Field of View 2016 GeoSnap Express User Manual...

  • Page 10: Using The Wired Remote Trigger

    (position 6) to provide the voltage to hold or drive the Trigger line high. Triggering using the Trigger line and the VCC line can be accomplished by shorting the two wires together or by using a PWM relay to control voltage level. © Field of View 2016 GeoSnap Express User Manual...

  • Page 11: Powering The Geosnap System

    When it comes time to power the system, plug either the provided 9V battery holder or the provided power pigtail cable connected to an appropriate power source into the GeoSnap control module power input port. GeoSnap Express Power Requirements Parameter Value Voltage input range 4.5 to 28 V...

  • Page 12: Led Codes

    Errors LED Code Meaning MicroSD card error. Occurs when there is no card, the card is not seated properly, the card is full, or if the log file number exceeds 999. © Field of View 2016 GeoSnap Express User Manual...

  • Page 13: Geosnap System Files

    GeoSnap System Files In this section:  Imagenum file  Configuration file  Flight data log file  Image log file  Pix4D log file © Field of View 2016 GeoSnap Express User Manual 10 10 10 10 10 10...

  • Page 14: Imagenum File

    The first line of the CONFIG file displays which GeoSnap system firmware generated the file. The sections below describe in detail the various settings and how their options/values affect the behavior of the GeoSnap system. © Field of View 2016 GeoSnap Express User Manual 11 11...
  • Page 15 “image” entry in the image log file will be filled with consecutively numbered image names. For example, if option ‘1’ is selected, the entries in the “image” column will take the form of IMG_0001.JPG, IMG_0002.JPG, etc. © Field of View 2016 GeoSnap Express User Manual 12 12...
  • Page 16 It will also send a trigger command at the specified time interval when the switch on the handheld remote (part of the Garmin portable aviation GPS GeoSnap solution) is in the always on position. © Field of View 2016 GeoSnap Express User Manual 13 13...
  • Page 17 © Field of View 2016 GeoSnap Express User Manual 14 14...
  • Page 18 If option 4 selected, time or fast-as- possible triggering won’t start until the button is pressed and subsequent button presses will stop and start the triggering. © Field of View 2016 GeoSnap Express User Manual 15 15...
  • Page 19 10 and there were no images taken after 10 minutes, the GeoSnap would command a trigger at that point. To disable this feature, simply set the value to 0. © Field of View 2016 GeoSnap Express User Manual...
  • Page 20 GeoSnap system will send a trigger command at the interval specified in the Resend_trig_time_ms option (option @6). © Field of View 2016 GeoSnap Express User Manual 17 17...
  • Page 21 This option allows you to configure how the yaw value is saved in the GeoSnap log files. Refer to the images below to decide which option fits your camera installation orientation. © Field of View 2016 GeoSnap Express User Manual...

  • Page 22: Flight Data Log File

    FLT file is created with a letter appended to it with the following convention: 001-FLT.txt, 001-FLTA.txt, 001-FLTB.txt, 001-FLTC.txt, etc. Information is logged as plain, ASCII text in space- separated columns; each column is exactly 14 characters wide. © Field of View 2016 GeoSnap Express User Manual 19 19...

  • Page 23: Image Log File

    Latitude as reported by the ublox lon(deg) degrees Longitude as reported by the ublox hght(wgs84-m) meters Height above WGS84 ellipsoid The GeoSnap Express does not log roll roll(deg) degrees data so this column is just zeros The GeoSnap Express does not log pitch pitch(deg) degrees...

  • Page 24: Pix4D Log File

    Latitude as reported by the ublox lon(deg) degrees Longitude as reported by the ublox hght(wgs84-m) meters Height above WGS84 ellipsoid The GeoSnap Express does not log roll roll(deg) degrees data so this column is just zeros The GeoSnap Express does not log pitch pitch(deg) degrees...

  • Page 25: Troubleshooting

    Troubleshooting In this section:  GPS signal quality test  Fix status code lookup table © Field of View 2016 GeoSnap Express User Manual 22 22 22 22 22 22...

  • Page 26: Gps Signal Quality Test

    (i.e. in a clear open area, not near tall buildings, trees, or power lines).  Power on the GeoSnap system and wait for it to get a GPS lock (signified by the green LED on the GeoSnap control module flashing rapidly). © Field of View 2016 GeoSnap Express User Manual 23 23...
  • Page 27 Try moving the GPS antenna to a better location on the aircraft, away from any components that may be causing the interference, and re-run the test, looking for ≤2m uncertainties. Or, if the interference appears to be coming from an expendable system © Field of View 2016 GeoSnap Express User Manual 24 24...

  • Page 28: Fix Status Code Lookup Table

    ≤2m uncertainties. Fix status code lookup table Fix Status Lookup Table Value Description No GNSS fix Dead reckoning only 2D fix 3D fix © Field of View 2016 GeoSnap Express User Manual 25 25...
  • Page 29 © Field of View 2016 GeoSnap Express User Manual 26 26 26 26 26 26...

  • Page 30: Specifications & Settings

    Specifications & Settings In this section:  Physical specifications  Power specifications  6-position I/O port specifications  MicroSD card specifications  Camera settings  GeoSnap Express and DSLR Checklist © Field of View 2016 GeoSnap Express User Manual 27 27...

  • Page 31: Physical Specifications

    Specifications & Settings Physical specifications GeoSnap Express (DSLR) hotshoe module dimensions (in millimeters). GeoSnap Express control unit dimensions (in millimeters). © Field of View 2016 GeoSnap Express User Manual 28 28...

  • Page 32: Power Specifications

    14 g Cabling GPS antenna w/ 0.75m cable 40 g Total system weight 92 g Power specifications GeoSnap Express (DSLR) Power Requirements Parameter Value Voltage input range 4.5 to 28 V Current input (typical) 0.10 A 6-position I/O port specifications...

  • Page 33: Microsd Card Specifications

    Required for sharp images while the aircraft is in motion Recommended Settings Setting Value Description Flash Mode No flash Auto White Balance Shading/Peripheral Enable/Auto Enable any shading or peripheral illumination © Field of View 2016 GeoSnap Express User Manual 30 30...
  • Page 34 9999 and reset) then you would need to synchronize the numbering again by deleting the COUNT.SYS file and then doing a Manual Reset on the camera’s file numbering to get both of them synchronized back to 1. © Field of View 2016 GeoSnap Express User Manual 31 31...

  • Page 35: Geosnap Express And Dslr Checklist

    □ Power on DSLR □ Plug in the GeoSnap Express □ Watch for GPS lock on GeoSnap Express (green LED will start flashing quicker) □ If in distance trigger mode, watch for first trigger (10sec after GPS lock is obtained) □...

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