6 System Functions
System
User
This key allows you to specify your own response to the *IDN? query. You may enter your desired response
with the Alpha Editor or a plugin PC keyboard.
When you press this key, the active function becomes the current User string with the cursor at the end.
This makes it easy to edit the existing string.
If you enter a null string (for example, by clearing the User String while editing and then pressing Done) the
analyzer automatically reverts to the Factory setting.
Key Path
System, I/O Config, IDN Response
Example :SYST:IDN “XYZ Corp, Model 12, 012345, A.01.01” user specified response
Initial S/W Revision A.06.00
Query USB Connection (Remote Command Only)
Enables you to determine the speed of the USB connection.
Mode All
Remote Command
:SYSTem:COMMunicate:USB:CONNection?
Example :SYST:COMM:USB:CONN?
Notes NONE – Indicates no USB connection has been made.
LSPeed – Indicates a USB low speed connection (1.5 Mbps).
This is reserved for future use, the T+M488 protocol is not supported on low speed connections.
HSPeed – Indicates that a USB high speed connection (480 Mbps) has been negotiated.
FSPeed – Indicates that a USB full speed connection (12 Mbps) has been negotiated.
State Saved No
Range NONE|LSPeed|HSPeed|FSPeed
Initial S/W Revision Prior to A.02.00
USB Connection Status (Remote Command Only)
Enables you to determine the current status of the USB connection.
Mode All
Remote Command
:SYSTem:COMMunicate:USB:STATus?
Example :SYST:COMM:USB:STAT?
Notes SUSPended – Indicates that the USB bus is currently in its suspended state. The bus is in the
suspended state when:
• The bus is not connected to any controller
EMI Receiver Mode Reference 339
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