Instrument Tour
R&S
®
FSW
41Getting Started 1338.4102.02 ─ 08
5.1.4.2 Navigation Keys
The navigation keys can be used alternatively to the rotary knob to navigate
through dialog boxes, diagrams or tables.
Arrow Up/Arrow Down Keys
The <arrow up> or <arrow down> keys do the following:
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For numeric entries: increments (Arrow Up) or decrements (Arrow Down) the
instrument parameter at a defined step width
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In a list: scrolls forward and backward through the list entries
●
In a table: moves the selection bar vertically
●
In windows or dialog boxes with a vertical scroll bar: moves the scroll bar
Arrow Left/Arrow Right Keys
The <arrow left> or <arrow right> keys do the following:
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In an alphanumeric edit dialog box, move the cursor.
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In a list, scroll forward and backward through the list entries.
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In a table, move the selection bar horizontally.
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In windows or dialog boxes with horizontal scroll bar, move the scroll bar.
5.1.4.3 Undo/Redo Keys
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The [Undo] key reverts the previous action, i.e. the status before the previous
action is retrieved.
The Undo function is useful, for example, if you are performing a zero span
measurement with several markers and a limit line defined and accidentally
select a different measurement. In this case, many settings would be lost.
However, if you press [Undo] immediately afterwards, the previous status is
retrieved, i.e. the zero span measurement and all settings.
●
The [Redo] key repeats the previously reverted action, i.e. the most recent
action is repeated.
The [Undo] function is not available after a [Preset] or "Recall" operation.
When these functions are used, the history of previous actions is deleted.
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