Keysight x-series Programmer's Reference

4 System
4.3 Preload / Unload Modes
4.3.7.14 2-Screen Orientation
When you add a second Screen using the “+” control on the Screen Tabs bar,
normally the screen is added to the right of the first screen. However, sometimes it is
better to add the new screen below the first screen rather than to the right, as
shown below.
New screen added to the right (horizontal orientation)
1873 Vector Modulation Analyzer Mode User's &Programmer's Reference

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)