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R&S ESU Basic Operation
Setting Parameters
4.8 Quick Start Guide 1302.6163.62 - 04
4.2.2 The Rotary Knob and Arrow Keys
The rotary knob and arrow keys are located next to the keypad.
4.2.3 Editing Numeric Parameters
Numeric values are always entered in a data entry field that automatically appears after the
parameter is selected.
The title line shows the name of the instrument parameter that was selected. The entry is
performed in the editing line. After the entry field is opened, it will contain the currently valid
parameter value and its unit. The optional third and fourth lines show status and error
messages which always refer to the current entry.
With frequency entries, the ENTER key corresponds to the Hz key.
With time data, it corresponds to the µs (kHz) key.
The rotary knob has several functions:
• Increments (clockwise direction) or decrements (counterclockwise
direction) the instrument parameter at a defined step width in the case
of a numeric entry.
• Shifts the selection bar horizontally or vertically within tables as long as
an entry field is not open. The arrow keys are used to change the
direction of motion (horizontal/vertical).
• Selects the individual letters when the alphanumeric editor is used.
• Shifts markers, limit lines, etc. on the screen.
• When it is pressed, it concludes an entry.
Within a table, the arrow keys move the selection bar to the desired
position.
Within the alphanumeric editor, the
U l
or
U r
arrow keys move the cursor
to the desired position.
The
U u
or
U d
arrow keys do the following:
• Increase or decrease the instrument parameter in the case of numeric
entries.
• Switch between the editing line and the character selection in the case
of alphanumeric entries.
Title line with parameter designation
Editing line with parameter value and unit
Status and error messages