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User Manual

: Cycles. The number of cycles to draw. This control is used in conjunction with the Standard waveform

shapes buttons. Select one of the standard waveform shapes and then enter the number of cycles, and it will draw the

requested number of cycles of the waveform.

: Minimum. When one of the Standard waveform shapes buttons is pressed, this control sets the minimum

signal level.

: Maximum. When one of the Standard waveform shapes buttons is pressed, this control sets the

maximum signal level.

: Duty cycle. When a square, triangular or ramp waveform is selected using one of the Standard

waveform shapes buttons, this control sets the duty cycle of the signal. Duty cycle is defined as the time that the signal spends

above zero volts divided by the total cycle time. Thus, a symmetrical square or triangular wave has a duty cycle of 50%.

Reducing the duty cycle shortens the positive part of the cycle and lengthens the negative part, and increasing the duty cycle

does the opposite.

Note:

The Frequency, Amplitude, Offset parameter of the ARB waveform can not be regulated in this WaveEditor software, but it

can be done by tuning on the device directly (refer to above Chapter 3.1) after the waveform data is downloaded to device

(refer to below Chapter 3.3).

Do not use the WaveEditor and the QC software at the same time, it will cause errors.

3.5. Output Arbitrary Waveform

1. Press the Wave Gen button on the front panel to enable the AWG function and enter the Wave Gen function menu.

2. Connect the device with PC which has installed the WaveEditor software using a USB cable.

3. Double click the WaveEditor icon to open the program.

4. Select a waveform file or draw an arbitrary waveform; then click the in toolbar and select waveform data download

position to download waveform data to the device.

The waveform will output from GEN OUT BNC port.

Also, you can recall ARB format file in USB disk to output a waveform.

Press the Wave Gen button on the front panel to enter Wave Gen function menu.

Press the Wave softkey, turn the Multifunctional Knob to select Arb1~Arb4 and then press the knob to confirm.

DigiTech QC1938 User Manual

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