R&S esu, Быстрый старт

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Quick Start Guide 1302.6163.62 - 04 4.7
R&S ESU Basic Operation
Setting Parameters
4.2 Setting Parameters
4.2.1 The Keypad
The keypad is used to enter numeric parameters. It contains the following keys:
• Numeric keys 0...9
• 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. The same is
true for an alphanumeric entry.
In addition, the unit keys open and close selection fields in tables (subtables).
• BACK key
– If a numeric entry has already been started, this key deletes the character to the left of
the cursor.
– If an entry has been completed or not yet started, this key toggles between the currently
and previously valid value (UNDO function).
• ESC/CANCEL key
– Closes the entry field if an entry has been started or has not yet been made. The original
value is retained.
– Closes the entry field if an entry has been completed.
– Closes the
System Messages dialog box.
• ENTER key
– Concludes dimensionless entries. The new value is accepted.