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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.
NOTE
The E4981A is identified as a new device if its serial number is different.
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Type A: USB host port
Type mini-B: USB interface port
Chapter 2
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