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Chapter 6 Using Function Panels Specifying a Slide Control Parameter With a slide control you select one item from a list of options. The position of the slider, the cross-bar on the slide control, determines the value LabWindows/CVI places in the function call. To move the slider with the keyboard, press the up or down arrow key. As you move the slider, the corresponding argument in the function call in the generated code box changes. The <Home> and <End> keys move you to the top and bottom of the slide control, respectively. To move the slider with the mouse, click on the slider and drag it up and down or just click on the position you want. If you want to type a variable name into a slide control, select Options»Toggle Control Style. Specifying a Ring Control Parameter The ring control represents a range of values, much like the slide control. A ring control displays only a single item from a list instead of displaying the whole list at once as the slide control does. The item you select determines the value LabWindows/CVI places in the function call. To select an item from a ring control with the keyboard, use the up and down arrow keys to scroll through the list. Press the space bar to display the entire list of items for the selected ring control. To select an item from a ring control with the mouse, click on the up or down arrow of the ring control until the value you want appears or click on the display field of the control and select the value you want directly from the list that appears. If you want to type a variable name into a ring control, select Options»Toggle Control Style. Specifying a Binary Control Parameter The binary control is a limited version of the slide control that has only two positions. To select the position of the binary control, press the up or down arrow key or the <Home> or <End> key. To change the binary control with the mouse, click on the position you want. If you want to type a variable name into a binary control, select Options»Toggle Control Style. LabWindows/CVI User Manual 6-6 www.ni.com