Keysight x-series Programmer's Reference

2 User Interface
2.17 View Editor
In either case, one or more of the remaining windows resize to occupy the space
formerly occupied by the window you were dragging.
2.17.3 To Delete a Window from a View
The View Editor also lets you delete a window. To do this, tap one of the circled red
X’s, as shown below.
There has to be more than one window for you to see the circled red Xs.
Vector Modulation Analyzer Mode User's &Programmer's Reference 168

Keysight x-series Specifications

General

Analysis Bandwidth	Up to 1 GHz (depending on model)
Real-Time Bandwidth	Up to 1 GHz (depending on model)
Form Factor	Benchtop
Connectivity	LAN, USB, GPIB
Resolution Bandwidth	1 Hz to 10 MHz (depending on model)