Keysight E4981A Programming Manual page 34

Overview of Remote Control
USB Remote Control System
USB port types
There are two standard types of USB ports. The external controller (PC) must
be connected via the USB host port (type A), while the E4981A and other
USB-compatible devices must be connected via the USB interface port (type
mini-B).
Preparing E4981A
You do not have to configure any softkey or command for the E4981A in order
to control the E4981A from an external controller. Simply connect a USB cable
to the USB interface port.
Preparing external controller
You must set up the I/O interface of the external controller in advance to
establish communication with the E4981A via a USB. The USB can identify
devices automatically, so once you connect a USB cable to a target device, a
dialog box will appear for USB device registration.
The E4981A is identified as a new device if its serial number is different.
Changing alias on setting screen
The following are steps using Keysight I/O Libraries Suite 17.
Step 1. From your PC's Start menu, click Program - Keysight IO Libraries Suite
-Keysight Connection Expert to open the setting screen.
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Type A: USB host port
Type mini-B: USB interface port
Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter