6-14 Agilent 4155B/4156B User’s Guide Vol.2, Edition 5
Screen Organization
CHANNELS Screen Group
CHANNELS: USER VARIABLE DEFINITION screen
On this screen, you register user variables that were defined by GPIB. To use a user
variable, you must register it on this screen. For details about user variables, refer to
“User Variable” in Chapter 7.
User Comment
In this field, you can enter a desired comment, which is also displayed in the
CHANNELS, MEASURE, DISPLAY, and GRAPH/LIST screen groups.
NAME
NAME field defines the user variable name. You can enter a name by using the
keyboard or front-panel keys.
To delete a user variable, select DELETE ROW softkey to delete the NAME, UNIT,
and SIZE entries.
After defining a user variable, you can use this variable name for reference on other
screens.
Restrictions
• NAME must be 6 or less alphanumeric characters. First character must be
alphabet character.
• NAME must be different from other names. The alphabet characters are case
sensitive. For example, HFE is different from Hfe.