E4990A Help
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Used to enter numeric data into the E4990A. Press a hardkey or softkey to
enter data, and the data entry bar will appear at the top of the screen. To
assign a title to a channel window, an entry bar that allows you to enter
letters and symbols by using the front panel keys or mouse is displayed.
Data entry bar
To manipulate the data entry bar by using the front panel
keys, the data entry bar must be selected as the object to
manipulate (with the focus placed on it). When the focus is placed on
the data entry bar, the entire bar is displayed in blue. Pressing or
clicking Foc Key in the ENTRY Block enables you to move the focus to
the desired object.
Close Button
Closes the data entry area (turns off the display). Use mouse to manipulate
this button.
Data Entry Area
When the data entry bar is displayed for the first time, the current settings
are displayed on it. You can change numeric values by typing from the
keyboard or in the ENTRY block on the front panel.
You can hide the frequency information in order to ensure its confidentiality
or for other reasons. For detailed information, see Hiding Softkey's
Frequency Information.
Parameter Name
Displays the name of the parameter for which data will be entered.
Step Button (Small)
Increases or decreases the numeric value in the data entry area in small
steps. Use the mouse to manipulate this button.
Step Button (Large)
Increases or decreases the numeric value in the data entry area in large
steps. Use the mouse to manipulate this button.
Instrument Status Bar
The instrument status bar displays the status of the entire instrument.
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