Network operation and remote control
R&S
®
SMA100B
424User Manual 1178.3834.02 ─ 09
2. In the R&S VISA "Basics" tab, enter a SCPI command, e.g. "*IDN?". Confirm with
"Query".
The instrument is switched to remote control when it receives a command from the
controller.
3. Select "Read" to obtain the instrument response.
Tip: If the "Show Log" checkbox is checked, R&S VISA displays each VISA func-
tion call in the log-view on the left. If you check the "Write Log" checkbox, the log-
view entry is written to the log file as well. You can operate the log-view in two
modes: the "Live Mode" shows only the most recent messages whereas the "View
Mode" allows you to scroll the history.
4. To set, e.g. the frequency, enter SOUR1:FREQ 4 GHz and select "Write".
To check the performed setting, SOUR1:FREQ? and select "Query".
The instrument response is 4000000000. The value corresponds to the frequency
in Hz.
While remote control is active, the "Remote" icon in the status bar indicates that the
instrument is in remote control mode. Currently ongoing communication (data
transfer) is indicated by green colored arrows in the icon.
Operating via the front and touch panel or via mouse and keyboard are locked,
allowing a remote control program to be performed without interruption. On the dis-
play, keys and entry fields are grayed out and cannot be activated or modified, but
you can still open dialogs, for example to verify settings.
5. To disable the access to the dialogs, use the command SYST:KLOC ON.
6. To prevent unintentional return to manual operation, use the command &LLO.
See Remote control via SCPI, section "LAN interface messages".
Controlling the R&S
SMA100B remotely
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