NF WAVE FACTORY WF1967, Instruction Manual (Operations

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11.2 Basics
WF1967/WF1968 11-8
f) Phase at step start
If the waveform of the previous step is DC or noise,
oscillation in the next step starts from reference phase 0°.
Phase 0° here is the phase value based on the reference
phase as in the case of the phase at step end (stop phase).
The start phase that appears in the actual output is the phase
setting value of that step. If the phase is set to 0°, oscillation
starts from 0°.
The following figures show the examples of when the phase is set to 0° and when the phase is set to
90°, where the step after DC is sine wave.
g) Frequency next DC and Noise
In the next step of the DC or noise, when the case where the action of frequency to Sweep, sweep first
from 1kHz.
Check
Set the previous step to DC to specify a start phase.
Phase setting
Previous step
Previous step
Next step Next step
Oscillation starts at 0°
Phase setting for the next step=0° Phase setting for the next step=90°
Oscillation starts at 90°