Chapter 4 165
Basic Digital Operation
Using Waveform Scaling
5. Press ARB Setup > More (1 of 2) > Waveform Runtime Scaling and adjust the front panel knob or use the
number keys to enter a new value. The new scaling value is instantly applied to the playing waveform.
Runtime scaling adjustments are not cumulative, as the values are always relative to original amplitude
of the waveform file.
In Multitone
1. Press
Preset > Mode > Multitone > Multitone Off On to On. This generates a multitone arbitrary waveform
for use in this procedure.
2. Press
More (1 of 2) > ARB Setup > More (1 of 2) > Waveform Runtime Scaling and adjust the front panel knob
or use the number keys to enter a new value. The new scaling value is instantly applied to the playing
waveform. Runtime scaling adjustments are not cumulative, as the values are always relative to original
amplitude of the waveform file.
Scaling a Waveform File in Volatile Memory
This procedure enables you to permanently scale a waveform file. You can then store the scaled waveform
segment to non-volatile memory for future use. Scaling is cumulative and non-reversible.
1. Press
Preset > Mode > Custom > Arb Waveform Generator > Digital Modulation Off On to On. This generates a
custom arbitrary waveform for use in this procedure. You can also use a previously stored or
downloaded waveform.
2. Press
Mode > Dual ARB > Select Waveform and ensure that AUTOGEN_WAVEFORM is highlighted on the
display. AUTOGEN_WAVEFORM is the default name assigned to the waveform you generated in the
previous step.
3. Press
Select Waveform. This selects the waveform and returns you to the previous softkey menu.
4. Press
ARB Setup > Waveform Utilities and ensure that AUTOGEN_WAVEFORM is highlighted on the display.
5. Press
Scale Waveform Data > Scaling > 70 > % > Apply to Waveform. The waveform is now reduced to 70
percent of its original amplitude. Once this type of scaling is applied to the waveform it cannot be
undone. Repeated scaling applications have a cumulative effect on the waveform.
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