Specialized and Integrative Visualization Tools2660021169012 Rev. A 2017-12 CIRRUS HD-OCT User Manual8-66Width, Height, and A–Scan AdjustmentsYou can manually adjust the red (Width), blue (Height), and green (A–Scan) spherepositions by clicking the up/down arrows, or by typing the desired position in the Width,Height, and A–Scan fields. These fields may provide finer control of the sphere positions.Mouse Rotates/Mouse TranslatesTwo buttons allow the user to set the left mouse to either rotate or translate the image onthe screen.ZoomUse the slider to zoom in or out on the image.Straighten Volume DatacáÖìêÉ=UJQV=sçäìãÉ=píê~áÖÜíÉå=aá~äçÖThis function allows you to adjust the surface of the scan to be horizontal in those caseswhere the retina is highly tilted. Click Auto Straighten to automatically correct the image.The slider controls, number field, and up/down arrows are used to manually correct theimage by adjusting the X and Z axes. Click Reset to Zero to undo your corrections. The resetbuttons (see figure above) located above each field allow you to reset X and Z axesseparately. Figure 8-50 illustrates before and after Auto Straighten has been applied. Theleft figure shows a tilted image, and the right figure shows the straightened image.reset buttons