Gemini 720is Product Manual
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Gemini Software Operation Gemini 720is Imaging SonarDocument: 0703-SOM-00002, Issue: 1 30 © Tritech International Ltd.The Frame control is a slider bar which allows the user to move quickly around the file thathas been loaded. The number at the right hand end is the currently displayed frame numberfrom the file. The slider can be grabbed to move quickly to any position in the file, whilst thetwo arrows at the end of the slider can be used to precisely position the frame being displayedin the file. The frame number can be changed whilst the file is playing or paused. This controlonly appears when a file has been loaded.The Speed control changes the replay speed of the data being replayed by the software.The maximum speed is 5 x (500% as indicated by the number at the right hand end of theslider bar). The slider can be grabbed to change the replay speed quickly, whilst the twoarrows at the end of the slider can used to precisely control the replay speed. The replayspeed can be changed whilst the file is playing or paused. This control only appears whena file has been loaded.5.1.5. Capture ScreenWhen clicked, the Capture Screen button will take a screenshot ofthe Gemini data view and write it to an image file. This image is storedin the Images subdirectory of the log data directory, with a filename ofGemini_nnnn.xxx, where nnnn is an incrementing index number for theimage and xxx is the selected image format.For example, using a logging directory of C:\GeminiData, the first image captured wouldbe stored in the file C:\GeminiData\Images\Gemini_0001.jpg.When the image has been captured, the Gemini software will display a message (as below)giving the name of the file. This message will be displayed for five seconds and then willclose automatically.5.1.6. Record VideoThe Record Video button is used to capture replayed Gemini data as a videofile. Video capture is only available when a file is being replayed and cannotbe performed on live Gemini data.When a file has been loaded and the playback of the file has been paused or stopped, theRecord Video button will be enabled. When the Record Video button is clicked, the videocapture process will take over the replaying of the data. The video capture process is endedwhen the Record Video button is clicked for a second time.The frame counter will be visible during recording as the user may select which part of thelog file they would like to capture. The video file will be captured so that the replay will occurat approximately real time and it is not possible to change the speed of the playback duringrecording.The generated file is stored in the Images sub-directory of the log data directory with afilename of Gemini_nnnn.xxx, where nnnn is an incrementing index number and xxx isthe video format (See Section 5.2.3, “Application Settings” for video format and resolution |
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