Operating the Instrument in Manual Mode
R&S
®
FPS
93
Getting Started 1319.3362.02 ─ 07
ever, if you select UNDO immediately afterwards, the previous status is
retrieved, i.e. the zero span measurement and all settings.
●
The virtual REDO key repeats the previously reverted action, i.e. the most
recently performed action is repeated.
The UNDO function is not available after a PRESET or "RECALL" opera-
tion. When these functions are used, the history of previous actions is
deleted.
The UNDO/REDO functions are not available for some applications; see
Release Notes for details.
6.1.3.3
Keypad
The virtual keypad is used to enter alphanumeric parameters, including the corre-
sponding units (see also
the following keys:
Table 6-4: Keys on the keypad
Type of key
Description
Alphanumeric keys
Enter numbers and (special) characters in edit dialog boxes.
Decimal point
Inserts a decimal point "." at the cursor position.
Sign key
Changes the sign of a numeric parameter. In the case of an
alphanumeric parameter, inserts a "-" at the cursor position.
Unit keys (GHz/-dBm MHz/
dBm, kHz/dB and Hz/dB)
These keys add the selected unit to the entered numeric value
and complete the entry.
In the case of level entries (e.g. in dB) or dimensionless values,
all units have the value "1" as multiplying factor. Thus, they have
the same function as an ENTER key.
6.1.3.4
Navigation Controls
The navigation controls include a virtual rotary knob, navigation keys, and data
input function keys. They allow you to navigate within the display or within dialog
boxes.
Rotary knob simulation
The virtual rotary knob has several functions:
Graphical User Interface Elements (Soft Front Panel)
Summary of Contents for R&S FPS
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