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14
Human Machine Interface
([LW the present level in the menu tree. This means, it cancels the present function
•
or the present menu selection and moves one step higher (back) in the menu tree.
&OHDU the LEDs when the start window is displayed.
•
•
Bring the HMI display into idle mode if pressed when the idle window is displayed
(4XLW function).
The E button mainly provides an (QWHU([HFXWH function. It activates, for example, the
selected menu tree branch. Further it is used to confirm settings and to acknowledge
different actions.
The left and right arrow buttons have three functions:
•
Position the cursor in a horizontal direction, for instance, to move between digits in
a number during the parameter setting.
•
Move between leafs within the same menu branch.
•
Move between the confirmation alternatives (yes, no and cancel) in a command
window.
The up and down arrow buttons have three functions:
•
Move between selectable branches of the menu tree. This function also scrolls the
menu tree when it contains more branches than shown on the display.
•
Move between the confirmation alternatives in a command window.
•
Change parameter values in a data window
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The LED module is a XQLGLUHFWLRQDO PHDQV RI FRPPXQLFDWLQJ. This means that events
may occur that activates a LED, in purpose to draw your attention to something that has
occured and needs some sort of action.
The 18 LED indication module is equipped with 18 LEDs, which can light or flash in
either red, yellow or green color. A description text can be added for each of the LEDs.
See LED indication function (HL, HLED) for details on application and functionality.
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