Instrument Tour
R&S
®
ZNB/ZNBT
28Getting Started 1316.0062.02 ─ 26
●
The function of the four unit keys depends on the data type of the active input field;
see Chapter 4.5, "Entering Data", on page 54.
– In numeric input fields, the G/n, M/μ, k/m or x1 keys multiply the entered value
with factors of 10
(-)9
, 10
(-)6
, 10
(-)3
or 1 and add the appropriate physical unit. x1
is equivalent to ENTER and confirms the previous entry.
– In character input fields, the G/n, M/μ, k/m keys enter the letters G, M, K,
respectively. x1 is equivalent to ENTER and confirms the previous entry.
●
ESC is used to:
– Cancel entries / close dialogs without activating the entries made (equivalent to
the "Close" button).
– Close the Help system.
●
ENTER is used to:
– Activate the selected active control element, e.g. a button in a dialog or a link in
the "Contents" page of the Help system.
– Confirm selections and entries made and close dialogs (equivalent to the "OK"
button).
– Compress or expand menus or the Help table of contents
●
BACKSPACE deletes the last character before the cursor position or the selected
character sequence or numeric value.
3.1.4 Rotary Knob
The rotary knob increases and decreases numerical values, scrolls within lists, acti-
vates controls and confirms entries. Turning or pressing the rotary knob is equivalent to
the action of the "Cursor Up" and "Cursor Down" navigation keys or of the ENTER key
in the DATA ENTRY keypad, respectively.
STEP SIZE opens an input box to select the steps (in units of the current physical
parameter) between two consecutive numerical values. The step size is also valid for
value changes using the "Cursor Up" and "Cursor Down" keys. See also Chapter 4.5.2,
"Using the Numeric Editor", on page 56.
3.1.5 Navigation Keys
The keys in the NAVIGATION keypad are used to navigate within the touchscreen and
the help system, to access and control active elements.
The "Cursor Up" and "Cursor Down" keys are used to:
●
Scroll up and down in lists, e.g. among menu items, in a list of keywords, in the
Help table of contents, or in the Help index
●
Navigate between table rows in diagrams. Press "OK" to toggle between navigation
mode and data entries.
●
Increase and decrease numerical input values
"Cursor Up" (Down) become inactive as soon as the beginning of the list is reached.
"Cursor Up" (Down) is equivalent to a rotation of the rotary knob to the right (left).
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