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csmstr - Omega Engineering

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CONFIGURING THE COLOR VIRTUAL HMI<br />

DEFINING KEY BEHAVIOR<br />

DEFINING KEY BEHAVIOR<br />

In addition to defining actions that occur when primitives are touched, you may define actions<br />

to be executed when keys are pressed. To do this, first change the zoom level so that the<br />

required key can be seen. Then, double-click the key to produce the following dialog box…<br />

You will note that this dialog box is similar to that shown earlier in respect of primitives, but<br />

that it has two tabbed pages. The first page is used to define what will happen when the key in<br />

question is pressed when the current page is selected. The second page is used to define what<br />

will happen if the key is pressed when any page is selected. The first type of action is called a<br />

local action, while the second type is called a global action.<br />

The color used to display the key will change according to which actions are defined…<br />

If the key is displayed in PURPLE, a local action is defined for this PAGE.<br />

If the key is displayed in GREEN, a GLOBAL action is defined.<br />

If the key is displayed in BLUE, local and global actions are BOTH defined.<br />

Once you have defined an action, you can right-click on the key and use the resulting menu to<br />

select either Make Global or Make Local to change the action type. These options will not be<br />

available if both types of action have already been defined.<br />

BLOCKING DEFAULT ACTIONS<br />

When defining key actions, you may use the Block Default Action selection as a place-holder<br />

to prevent further processing. As an example, suppose you have configured F1 to perform a<br />

global action, but want to prevent this action from being invoked on a particular page. By<br />

configuring F1 on that page as Block Default Action, the global action will not occur.<br />

REVISION 6 PAGE 223

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