IV. 2 How to “Load” the Gx with a Route Data File from ProActive …………………………………………………….. 25 IV. 3 How to Use the Gx to Collect Data on a Test Site Survey ……... 29 IV. 4 How to Post Collected Data to ProActive ………………………. 53 IV.
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GPS Receivers for use with the Gx Data-Logger Section 1: How to Configure the GPS receiver for use with the Gx …. 77 Section 2: How to Test the GPS Receiver/Gx Connection …………… 82 Section 3: How to Setup the Gx for a Test Site Survey Application with an integrated Pro Series Receiver ………………..
The Gx Site Survey Data-logger works hand-in-hand with ProActive, MCM’s corrosion control data management application. Route data files created in ProActive are downloaded to the Gx Site Survey Data-logger and, following field data collection, current test site survey data are posted to the ProActive database where they are integrated with historical CP data.
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EGNOS (Europe-based) and MSAS (Japan-based) correction message signals. Should even higher position resolution be required, the Gx Data-logger can be integrated with NMEA-compatible external GPS receivers. Please see Appendices 1 and 2 for instructions on how to configure Trimble XR &...
– please see Section II.3 for details on battery removal). How to Check Battery Status The remaining charge on the batteries in the Gx Data-logger can be checked using the following procedure: > Tap on the “Start” button located in the bottom left hand corner of the desktop screen >...
Avoid exposure to direct sunlight or a hot car, for example. • If the batteries will not be used for a month or longer, they should be removed from the Gx Data-logger and store it in a cool, clean place (see Section II. 3).
• Do not drop, hit or modify the battery in any way. • Do not expose the battery directly to moisture or rain. Opening the battery door on the Gx Data-logger negates the IP rating while it is open. Change batteries in a protected location (see Section II. 3).
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3. Unscrew both screws and remove the battery door. Both lithium-ion batteries will be revealed as shown below. 4. Remove the lower battery first, by sliding it to the left, at which point it should lift out easily. To remove the upper battery, slide it down...
Suspend/Resume When using the Gx Data-logger on a daily (or quite frequent) basis, you can suspend the unit, to save battery power when not in use, by momentarily depressing the “Power”...
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(please see below for the differences between the “Suspend” and “Power Off” states). To power down the unit, you would depress (and hold) the “Power” key for around 3 seconds at which point the Power popup menu will be displayed as indicated below.
WPAN and WLAN, will need to re-establish these connections. II. 5 How to Reset the Gx Data-logger Should the Gx data-logger lock up (freeze up), or fail to operate, the unit can be reset in a number of different ways. The various reset processes are listed below in order of preference.
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• When the menu appears, tap on “Cold Boot” 4) Cold Boot Process # 2 (use only if the operating system is un- responsive) • Press and hold down both the “Power” and “Shift” keys until the CHG LED (top left hand corner of the keypad) lights up RED (approximately 10 seconds) •...
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By clicking on the “OK” button on the above message screen, the window shown below will be displayed.
Gx is “USB_Serial”, which it should be by default. To do so, tap on the “Start” button on the Gx screen, tap, on “Settings”, tap on “Control Panel” and double-tap on “PC Connection”. If “USB_Serial” is not indicated, tap on the “Change Connection”...
Gx is “USB_Serial”, which it should be by default. To do so, tap on the “Start” button on the Gx screen, tap, on “Settings”, tap on “Control Panel” and double-tap on “PC Connection”. If “USB_Serial” is not indicated, tap on the “Change Connection”...
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The above example screen indicates that the Gx_SS (Test Site Survey) application has been purchased and that the expiration date for its support is 12/5/2010. The other applications (Gx_PLS and Gx_SDL) have been installed but have not been purchased (and, therefore cannot be run). The Gx_GPS and the MCMVoltmeter applications do not require separate purchase.
(logged), if required. Logged position data are stored in a text file on your Gx that can be copied to a PC. Switch ON (via the red power button) the Gx Data-logger and double-tap on the “Gx_GPS icon on the desktop screen to open the GPS Position Display...
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By tapping on the menu button in the GPS field, you can select the type of GPS receiver you are using. You can select either the “MCM Internal” receiver (if you plan to use the built-in GPS receiver on the Gx) or, an external “NMEA” compatible receiver (if you plan to use an externally- connected GPS receiver).
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[hold down the function (FUNC) key and press the “f” key] followed by a folder name in the “Data Folder” field. Note: The GPS application stores GPS data files in both the “My Documents” folder inside the Flash memory folder (“SystemCF” folder) and the “My Documents”...
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In the “Enter New GPS Data Filename” field, you can enter a name for the file in which the GPS position data will be stored. By tapping on the OK button, the screen shown below will appear, for the case of an example GPS Data file named “MCM Sites”.
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Description Field: You can provide a description of the location for which you are planning to log position data by tapping in the field labeled, “Desc:” and entering a description. For example, the screen shown below indicates an example location description of “Test Site # 1”...
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Alternatively, you could open a previously saved GPS Data file by tapping on the “Open” survey button, as opposed to tapping on the “New” survey button. By selecting a previously-saved file, you could, for example, continue to add GPS position data to an existing file that you had set up previously. Logging GPS Position Data: GPS data associated with your current position are logged by tapping on the “Log”...
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To do so, you would establish a connection between your Gx Data-logger and your PC using one of the methods described in Section II.6. Having established a connection, click on the “Start” button on your PC, click on “My Computer”, double-click on “Mobile Device” and double-click on “My Documents”.
Once a route data file has been downloaded to the Gx Site Survey Data- logger, a technician can perform a test site survey by visiting each test site and collecting all of the appropriate data in response to the various prompts associated with each test site.
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1) Select your data-logger type: Click on the menu button in the “Data-logger” field and select the “GX” option. 2) Select your route data file: Click on the menu button in the “Routes” field and select the route data file you’d like to download to the Gx...
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On and Off, otherwise, leave this box unchecked. After making your selections, click on the “Go” button on the above window which will pull up the “Gx Driver (Load Route)” window (see below).
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If you plan to download the route data file directly to a Gx data-logger, i.e., you have a data-logger currently connected to your PC, click on the “Go” button on the above window to initiate the download process. When the download process has been completed, the “Ready”...
ProActive database, as described in Section IV.4 (using the Local Folder option again). IV. 3 How to use the Gx to Collect Data on a Test Site Survey Step 1: Open the Site Survey (Gx_SS) Program on your Gx Data-logger by double- tapping on the Gx_SS icon.
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“prior readings” for comparison purposes to your current readings. Note: If you decide not to delete a route data file from the Gx data-logger, you must remember to re-download the route data file (via Load Route) from ProActive, each time, prior to performing new test site surveys on the same route (such as bi-monthly surveys on a given route, for example).
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Step 2: Establish Test Site Survey Settings (Global Settings). Tapping on the “Settings” button will pull up the “Default Settings” screen shown below.
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The settings selection made on this screen are used as default settings that will apply to just the highlighted route, if the box labeled, “Apply changes to all surveys”, is un-checked, or, to all existing routes on the Gx Data- logger, if the box labeled, “Apply changes to all surveys”, is checked.
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This means that location data will be entered manually when the GPS button is tapped on the “prompt” screens during a survey MCM Internal: This means that the Gx data-logger’s internal GPS receiver will be used (a U-Blox NEO-5M, WAAS- enabled receiver)
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Com 1 on the above screen, assuming that you are using a serial cable connection. The built-in serial port on the Gx, located under the flap on the bottom left hand side of the data-logger, is the Com 1 port.
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As can be seen on the above “Survey Info” screen, our example route contains 17 test sites and the types of sites are listed on the window. All 17 sites can be viewed using the scroll bar on the right-hand-side of the window.
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ProActive. If GPS data were logged previously for each test site on the route and you have an active GPS receiver associated with your Gx data-logger (see Step 2 above), you can elect to “Show All” or “Show Nearest”.
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Next, tap on the menu button in the “Tech” field and select the name of the technician who will perform the test site survey. Step 4: Collect Data at each Test Site By tapping on the “Goto Site” button on the “Survey Info” screen, the “Site Info”...
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Using the Camera: You can use the integrated 5MP camera on the Gx to take photographs at the test site. Photographic images are integrated with the route data and they are posted directly to ProActive during the uploading process of the site survey data.
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To take a photograph, tap on the “Take Pict” button. The camera will go through a focusing process and you will see a “Ready to Take” indication at the top of the screen when you can take a picture, as indicated below.
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At this point, press (and release) the camera button located at the top right hand corner of the keypad. You will have the choice of saving the picture or deleting it, as indicated by the “4 to Save/1 to Delete” indication on the screen below.
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As indicated in the above screen, the image is given a filename, by default, which represents the date/time stamp for the image. The above image, for example, was recorded on June 17, 2010 at 3:30pm. You can rename the image, if you prefer, by highlighting the image (tapping on the image) and tapping on the “Rename”...
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You can view a larger version of the image by highlighting the image (tapping on the image) and tapping on the “View” button. You can take multiple photographs at a test site by repeating the process outlined above. For example, the Picture screen shown below shows two (renamed) images.
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If you would like to adjust the camera settings from their default settings you can do so via the “Settings” button on the Pictures screen. For example, you can change the size and resolution of the image to be captured, the lighting conditions under which the image will be captured and the focusing method to be used, for example.
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As indicated on the above screen, there are a number of page tabs labeled, “Camera”, “Accessories”, “Save” etc. For information on the selections available via the various tabs, please see Appendix 3 (Camera Settings). Note: For the default picture size (SXGA (1280x960)), the Flash light is not available.
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As can be seen from the above screen, our “Valve” test site has a total of 7 prompts. Each prompt will come up in turn (starting at the top of the list) until all prompts for this site have had a response, ie, data have been entered. The “Goto Prompt”...
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Either specific types of voltages (such as pipe-to-soil) are read and recorded by the Gx data-logger when the operator is prompted to set up such measurements, or, the operator is prompted to enter his observations...
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“As Left” reading. You can display the “As Found” reading by pressing the “FUNC” key (the function key) followed by the number zero key on the Gx’s keyboard. The “As Found” reading will be included in the “Remarks” field for this reading type in ProActive.
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The scripted settings (in ProActive) for the voltmeter for this type of prompt (pipe-to-soil) are displayed on the above screen. By tapping on the menu buttons, you can select new settings. You can also indicate whether or not your changes pertain to just this prompt or to all prompts of this type (on this route), by tapping in the appropriate radial button.
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You could, for example, change the type of reference electrode you were using, in which case you would enter an appropriate value for the “addend”. Or, if the prompt was for Rectifier Amps, for example, which is a mV reading across a shunt, you might need to change the value of the shunt factor from that scripted in ProActive based on the actual shunt resistor that is on the rectifier.
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minutes) as opposed to recording a “snap-shot” reading. If so, check off the box labeled “Save Predominant Reading”. In this reading mode, the data- logger will sample the voltage on a time interval basis and save the voltage reading that occurred the most frequently over the sampling period. This is the “predominant voltage”.
To download your data, you would re-establish a communication connection between the Gx and your PC (see Section II.6), and then open up ProActive on your PC. By clicking on the “Get Reads” button on ProActive’s speed button bar, the window shown below will be displayed.
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You would then select the data-logger type from which you will be downloading data, in your case, the GX. You would also select the “Route” name, by tapping on the menu button in the “Route” field. Next, you would enter the type of weather condition you encountered during your route by clicking on the menu button in the “Weather”...
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“Go” button on the above window to initiate the process of posting your site survey data to the ProActive database. If you would like to retain a copy of the route data file on your PC (the original file will be stored on the Gx until you decide to delete the file from...
Gx), you can do so by checking off the box labeled. “Copy to Local Folder”. If you are the recipient of a route data file from the field and you have placed the file in a local folder on your PC, you can post the site survey data to ProActive from your local folder by checking off the “Use Local Folder”...
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“Range” and “Input Impedance” values selected as 5.7V and 400MOhm, respectively. The Red and the Black banana plug terminals on the top side of the Gx can be used to read voltages or, alternatively, if an MCM data-probe (reference...
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Range: Tapping on the menu button in the “Range” field will pull up the screen shown below.
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All voltmeter ranges are available for selection on the above screen. Style: Tapping on the menu button in the “Style” field will pull up the screen displayed below.
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As can be seen from the above screen, there are three options with regard to “style”: Single – would be used for un-interrupted readings On/Off – would be used if the current is interrupted (switched On and Off) Min/Max – would be used if the current is interrupted and there is noise on the waveform.
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By tapping on the “Read” button on the above screen, you can view, for example, the pipe-to-soil voltage waveform at a test site, assuming that you have the appropriate cable connections made to the Gx. A typical waveform would be as shown in the screen below.
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“High” for 0.7 sec. and “Low” for 0.3 sec., as evidenced by the 1 second “snap shot” of the voltage waveform shown in the above screen. Since the voltmeter in the Gx has a finite response time (~80ms on the 5.7V, 400MΩ setting, for example), the transitions from High to Low and Low to High are not perfect (right-angled) steps.
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Flash memory folder (the “SystemCF” folder). Note: Survey files are also stored in the Gx_Data folder. You should then tap on the OK button. This process will “save” the waveform data on the Gx data-logger’s Flash memory for future retrieval by ProActive. Load: Finally, by tapping on the “Load”...
APPENDIX 1 HOW TO CONFIGURE TRIMBLE XR, XRS, Power and Pocket GPS RECEIVERS FOR USE WITH THE Gx DATA-LOGGER Introduction Although standard (uncorrected) GPS data only provides a position accuracy of around 15 meters, real-time corrected GPS data can result in a position accuracy of better than 1 meter, making real-time corrected GPS data more suitable for pipeline survey applications.
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If you plan to use a Trimble “GPS Pathfinder” receiver unit in conjunction with your Gx data-logger, there is a configuration process that you need to perform, in order to set up the GPS unit so that appropriate data will be delivered to the Gx data-logger from the receiver.
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For Pathfinder Controller” and “Gx Installer”. You have the option of installing the “GPS Pathfinder Controller” program on either your PC or on the Gx Data-logger itself. Actually, you can install the program on both your PC and your Gx, if you wish.
How to Install the “GPS Pathfinder Controller” Software Program onto your Gx Data-Logger The first step is to connect the Gx to your PC and to switch ON the Gx (please see Section II.6 for information on connectivity options).
PC, if you have installed the Controller software program on your PC, or to your Gx, if you have installed the Controller program onto your Gx. In either case, use the COM 1 Port on the Gx (built-in serial port).
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B) will depend on which of the Pathfinder receiver units you are configuring for application with the Gx and whether or not you would like to have the Gx unit signal the receiver to perform GPS tracking only when a survey application requires GPS data, as opposed to the receiver continuously- tracking the GPS signals even when not required to do so by the Gx.
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The important issue with regard to the XR and XRS receivers is the connection cable itself. If you would like the Gx unit to signal the GPS receiver when GPS tracking is required by the Gx, during particular survey applications, you would select cable number 30231-00 to connect the receiver to the Gx.
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“NMEA”. The window shown below will appear. Select the output baud rate for the receiver and the other communications settings required to match the Gx’s requirements. The settings on the “Port A Settings” window shown above should be as...
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NMEA data and the output of the next string of NMEA data, by the receiver. For application with the Gx, an “Output Interval” of 1 second should be selected by clicking (or tapping) on the menu button in the box labeled, “Output Interval”...
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Step 8: After clicking (or tapping) on the “OK” button on the “NMEA Settings” window, click (or tap) on “Settings” again, and this time click (or tap) on “GPS Settings”. This will pull up the window shown below. Based on the discussion in Step 7, we require position data to be output every second and so, your selection of “Position Interval”...
When you’ve configured your GPS receiver (either via your PC or via your Gx) and are ready to conduct a test site survey, you would connect your receiver to the Gx Data-logger via the COM 1 port (built-in serial port on the Gx), if you are using a serial cable.
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Step 4: Select the “NMEA” option and select “Com 1”, which is the built-in serial port located under the flap on the bottom left hand side of the Gx data-logger. Step 5: Tap on the OK button on the above screen to return to the Gx Site Survey screen. Step 6: Switch ON your GPS Pathfinder receiver.
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screen which will pull up the “Site Info” screen. An example “Site Info” screen is shown below. Step 9: Tap on the “GPS Data” button on the above screen to view the GPS data and, if required, you can log these data by tapping on the “Set Site Location”...
Gx DATA-LOGGER SECTION 1 How to Configure the GPS Receiver for use with the Gx Step 1: Insert the Trimble “GPS Pathfinder Pro Series” CD into the CD Drive of your PC and click on the “GPS Controller Software” option on the main menu.
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Step 6: Double click on the icon labeled “GPS Controller” that will have been automatically-created on your desktop during the software installation. Next, click on the menu button at the top of the screen and select the “Setup” option, which will pull up the screen shown below. Step 7: Click on the “Options”...
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Step 8: Click on the “GPS Settings” button on the above screen, which will pull up the screen shown below (left-hand side screen). Select the COM1 port for the “GPS Receiver Port” and leave the Productivity check box checked.
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Next, use the scroll bar to reveal the “NMEA Output” field and select “On” for this option. Step 9: Click on the “wrench” button on the above screen (right-hand side screen, bottom right) which will pull up the screen shown below (left-hand side screen).
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Next, under “Choice 1”, select “Integrated SBAS” (which is WAAS differential correction) and click on the “wrench” button, which will pull up the screen shown below. Next, on the above screen, select “Auto” for the Tracking Mode.
Note: To test the connection, the GPS receiver will require an unobstructed view of the satellites in an outside location. To test that the Gx is receiving the NMEA output of the GPS receiver, perform the following steps: Step 1: Switch ON the GPS receiver. The battery indicator on the GPS...
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ON (green) once per second when a stable NMEA output has been established. The WPAN indicator should be OFF. Step 2: Switch ON the Gx and open the Gx_GPS program to run the Gx’s GPS utility program. Tap on the “Settings” button and select “NMEA” via the menu button in the “GPS”...
GPS receiver types, as indicated in the screen below. Step 4: Select the “NMEA” option and select “Com 1”, which is the built- in serial port located under the flap on the bottom left hand side of the Gx data-logger.
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Step 5: Tap on the OK button on the above screen to return to the Gx Site Survey screen. Step 6: Switch on the (ProXH or ProXT) GPS receiver. The battery indicator on the GPS receiver should glow green (permanently ON) and the satellite indicator should flash ON (green) once per second when a stable NMEA output has been established.
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Step 9: Tap on the “GPS Data” button on the above screen to view the GPS data and, if required, you can log these data by tapping on the “Set Site Location” button indicated on the “GPS Data” screen shown below. Note: The GPS receiver will require an unobstructed view of the satellites for GPS data to be displayed.
“Pictures” screen. Note 2: For the default picture size (SXGA (1280x960)) established for the Gx Data-logger, the Flash light is not available. However, you can turn on the LED Lamp (which is turned OFF by default), if direct light is required.
CAMERA TAB The Camera tab allows you to select settings that control the size and resolution of the image to be captured, the lighting conditions under which the image will be captured and the focusing method to be used. Image Format – The image format determines the size and resolution of the image.
Focus Mode – The focus mode selects the method that eye•WARE uses to determine the image focus. The available selections are: Auto, Laser, Macro, 4 inches (10cm), 8 inches (20cm), 12 inches (30cm), 18 inches (45cm) and Infinity. The Auto mode determines when the image is in focus by the sharpness of lines and edges in the image.
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LAMPS The lamps are the LED illuminators located next to the imager lens. The lamps can be useful for providing extra illumination when capturing images of close subjects where the flash may be too powerful. Lamps On – When checked, the lamps will be on during the viewfinder and image capture.
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capturing an image but if desired, the laser spots can be made to appear in the final image. Lasers On – When checked the lasers will be on during the viewfinder operation. In Picture – When checked the lasers will appear in the captured image. FLASH The flash is a Xenon photoflash located adjacent to the imager lens.
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proceeds. If Single is selected, one press of the Camera button will start the viewfinder, allow the focus and exposure processing to complete and then automatically capture the image without further action by the user. If Double is selected, the first press of the Camera button brings up the viewfinder and runs the focus and exposure processing.
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JPG Quality – When file format is set to JPG, this setting allows you to select how heavily the image data will be compressed. Compression allows the image file to be smaller at the expense of image quality. Higher quality values result in larger image files and better image appearance.
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DISPLAY These items control the displaying of the viewfinder. If Show Viewfinder is not checked, the viewfinder image will not be displayed. If Show Viewfinder is checked, the viewfinder will be shown while exposure and focus are determined. Checking Show Overlay allows the graphical exposure, focus and target box to be drawn over the image.
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White Balance – (numeric “2”) cycles through the color (white) balance modes advancing one selection with each key press. Flash Level – (numeric “3”) cycles through the flash levels advancing one level from Off to Max with each key press. When the flash level is set at Max, the next key press changes the level to Off.
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SHOW/HIDE THE STATUS BAR When Show is checked the status bar is displayed while eye•WARE is active, otherwise the status bar is not displayed. CUSTOM STATUS MESSAGES The sub-tabs allow you to customize the messages displayed in the status bar. Error –...
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Saving – Shown while eye•WARE saves the image to a file. The file name is automatically appended to the message text string. Note: Some states may be too fast to be observed during normal eye•WARE operation. WEDGE TAB The Wedge tab allows you to configure the imager wedge action. When enabled, the wedge action sends a text string to the active Windows form following the saving of an image.
Suffix – The suffix is a single 8-bit character value that is sent following the main text string. Any value between 0 and 255 may be selected. The value in the suffix box is shown in decimal and the equivalent hexadecimal and ASCII representations are shown beside the box.
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Date and time text is applied during image saving and is not visible in the viewfinder or capture preview. Include – When checked, the date and time text will be included in the final image Colors – You can select both the text color and the color of the background field on which the text is displayed.
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FILENAME When Include is checked, the image file name is written in the lower right hand corner of the image. The text and background field colors are selected using the Color Selection dialog (See Date/Time Text above). File name text is applied during image saving and is not visible in the viewfinder or capture preview.
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