If the menu option contains a large range of possible values, the behavior of the
and
buttons
will change depending upon the how the button is pressed:
1.
Pressing and releasing the
or
button causes the value to increment or decrement by 1.
2.
Pressing and holding the
or
button will continue increment or decrement the value by 1
(increasing in speed) until the button is released.
Toggle Buttons
Some menu options only have 2 choices, such as ON or OFF. In this case the menu button works the
same as the Range Button but only provides two choices. There is one difference however, which is
that the list cycles so that if you press the
or
button twice, it cycles back to the starting value.
Popup Windows and Dialog Boxes
Popup windows and dialog or input boxes are used extensively throughout the GUI.
Popup Windows
These are used to present lists of available values or actions. In most cases, pressing the
SELECT
button will close the popup window but may open a dialog box depending upon what action was
selected.
Dialog Boxes
Dialog boxes are used to prompt the user for additional input, such as specifying the location for copy
operation, or to display information on the screen relevant to the last action initiated. The
soft
buttons
below the display are used to complete the operation and close the dialog box. In some instances, the
dialog box will close automatically once the selected operation has completed. For example, the dialog
box that displays the progress of a copy operation will automatically close when operation has
completed.
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Pressing the red
CANCEL
button will close the open dialog box without any action being
taken.
