4 System Related Operation
Remote Operation
130 U3606A User’s and Service Guide
Remote Operation
The U3606A is shipped with both a GPIB (IEEE- 488) interface and a
USB 2.0 interface on the rear panel. Only one interface can be enabled at
a time. The GPIB interface is selected by default when the U3606A is
shipped from the factory.
The remote interface can be selected from the front- panel only.
• The interface selection is stored in the nonvolatile memory, and does
not change when power is turned off or after a remote interface reset.
• If you select the GPIB interface you must select a unique address for
the U3606A. The current address for the U3606A is displayed on the
lower secondary display in the utility menu.
• You can select between two USB class, USB- TMC or USB- CDC.
USB- TMC is the default USB 2.0 full speed communication protocol
interface that is compliant to USB standards, while USB- CDC is
simulates a serial communication (RS- 232) interface at the PC through
the physical USB port connection.
The instrument automatically enters the remote state whenever SCPI
commands are received over the GPIB or USB interface. The Rmt
annunciator is illuminated and the front panel keys are locked when in
the remote state. Press Local to return the U3606A to front panel
operation.
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