R&S AFQ100A Operating Manual page 229

I/q modulation generator
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R&S AFQ100A
If status <> VI_SUCCESS Then GoTo ErrorExit:
Exit Sub
ErrorExit:
viStatusDesc vi, status, ErrorDescription
MsgBox ErrorDescription
Sending the first command starts remote control operation.
Return to manual operation is possible via the front panel or the IEC/IEEE bus.
Manually:
Press the
+
Ctrl
Q
Note:
Before the transition, command processing must be completed as otherwise transition to remote
control is performed immediately.
The
+
key combination can be disabled by the interface message &LLO (see section
Ctrl
Q
IEC/IEEE-Bus Interface Functions, on page
case, transition to manual mode is only possible via the IEC/IEEE bus.
The
+
key combination can be enabled again by deactivating the REN line of the IEC/IEEE
Ctrl
Q
bus (see section
IEC/IEEE-Bus Interface
Via IEC/IEEE bus:
...
status = viGpibControlREN(vi,
VI_GPIB_REN_ADDRESS_GTL)
...
1401.3084.32
key combination.
Functions, on page 5.34).
Switchover to Remote Control
5.34) in order to prevent unintentional transition. In this
'Set instrument to manual
operation
5.6
E-3

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