16
Figure 3.9 - Predefine Waveform Menu
F1: Type
- Selects the waveform Sine, Triangle, Square, Noise, Ramp up, Ramp
down, exponential up, exponential down, Sin(x)/x, and Gaussian distribution. If Noise
function is selected, a submenu is displayed when
F5: EXEC
is pressed to allow adding
the noise to an available waveform or to generate it as a new noise waveform.
F2: From/Data
- Selects the starting point of the generated waveform and its data
value.
F3: Leng
- Selects the length of the predefined waveform (number of points for a
full wave). The length value must be a number that is divisible by 4 or by
2 in some instances. If not, a pop up message will say “Must divide by 4”
or “Must divide by 2” and entered values will change back to its original.
Different waveforms have different limitations on the length. Refer to
Table 3-2 below.
Table 3.2 - Waveform Length Limits for Predefined Waveforms
Wave
Minimum
Length
Divisible by
Sine
16
4
Triangle
16
4
Square
2
2
Noise
16
1
F4: Scale
- Selects the scale of the waveform. If scale is too high, a message will
display “Scale too high.” 100% means that the waveform spans the full
scale of -8191 to 8191. Scale factors are limited by the point data value of
the starting point and automatically calculated by the unit.
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