Defining Signal Expressions
Use the following command to define signal expressions:
Front Panel Menu Reference SCPI Command
Select System\Signal\Define.
Select an expression number (1 to 8) in the dropdown list.
Existing expressions will be displayed in the text field.
Enter the expression using the available input names and
operators in the text field (seebelow).
To define signal expression number 1:
SYST:SIGN:DEF EXPR1,"expression"
Define the "expression" using the available input
parameters and operators.
See Examples.
You can enter any value from the numeric keypad. For additional characters, use the up/down
navigation keys to enter an alpha character by scrolling through the selection list that appears when
you press the keys. Use the left/right navigation keys to traverse the text field. Use the backspace key
to delete a value. Press Enter when you are finished.
Expressions must be enclosed in quotes ("") inside SCPI commands. Expressions are case-insensitive. You can enter alpha char-
acters as all caps , all lowercase, or mixed case. Spaces must be included on either side of the Boolean operators And, Or , and
Not. Spaces are not required around parentheses.
Keysight N6900/N7900 Series Operating and Service Guide 143
4 Using the Advanced Power System
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