R&S SMJ100A, Operating Manual

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Manual Operation
R&S
®
SMJ100A
104 Operating Manual 1403.7458.32 ─ 14
Confirming settings
► To confirm the settings, press the rotary knob or one of the UNIT keys (see also
Chapter 4.4.5, "Working with Units " , on page 102) .
Note: Variations by means of the rotary knob are immediately set.
Confirming multiple values
In some cases, like for instance when configuring the carriers for a multicarrier CW sig-
nal in a carrier table, it is useful first to enter few values and to confirm them together.
Such settings require additional confirmation. Not yet confirmed settings are displayed
on a yellow background as an indication that the currently displayed values do not rep-
resent the target signal.
► To confirm these settings, select the "Accept" button.
Confirming parameters with On/Off state
Most of the instrument functions with enabled and disabled states are calculated and
effective only after this functions have been enabled. However, there are functions like
the frequency variation of the reference oscillator for instance, that are immediately set
after confirmation.
► To confirm a parameter with On/Off state, enable the parameter.
If time-consuming calculations are required, signal generation is automatically switched
off and calculation is interrupted to allow the user to make further settings. Calculation
is restarted with the RECALCULATE key and the modulation is switched on again
when the calculation is completed.
Preventing recalculation
If an instrument function requires several parameter settings, switch the function off to
prevent a recalculation.
Enable the function after the entire configuration of the settings have been completed.
The signal is recalculated only once.
4.4.8 Restoring the Previous Value
Parameter variations with the rotary knob are immediately set and therefore not rever-
sible.
Normally, values cannot be restored in the case of mouse control because no explicit
confirmation is required in this case and entries are automatically confirmed when the
entry or selection field is exited.
Restoring values
In the case of front-panel control or operation from the keyboard, previous values can
be restored as long as the new value is not confirmed, i.e. the entry is not completed.
► To restore the values, press the ESC key.
Setting Parameters