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Operation and Application

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3. Rotate the knob clockwise to increase the voltage setting value and anti-

clockwise to decrease the value. Set the required value.

The knob can be used together with the left/right navigation keys. Press the

left/right navigation keys to move the cursor to a digit. Rotate the knob to

change the digit value.

4. Press [Enter] key to confirm the voltage setting value.

Press [Esc] key to exit the input mode.

4.2.2 Set the AC Frequency

The setting range of AC frequency setting value is between 45.0Hz and

500.0Hz, which is limited by Freq-Max and Freq-Min, i.e., the Freq setting value

should not be higher than Freq-Max and not lower than Freq-Min. Please refer

to 4.9.9 Limiting the Setting Value Range for the setting of Freq-Max and Freq-

Min.

To set Freq, refer to the steps below:

1. Press the [Shift]+[3] (AC) key to set the instrument to AC output mode.

2. Press [F-set] key to position the cursor to the frequency setting value. Mean-

while, the [F-set] key will light up.

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3. Rotate the knob clockwise to increase the frequency setting value and anti-

clockwise to decrease the value. Set the required value.

The knob can be used together with the left/right navigation keys. Press the

left/right navigation keys to move the cursor to a digit. Rotate the knob to

change the digit value.

4. Press [Enter] key to confirm the frequency setting value.

Press [Esc] key to exit the input mode.

4.2.3 Set the AC Phase Angle

IT7200 series supports the initial phase and stop phase of the output waveform

settable to meet different test requirements. The initial phase and stop phase

are set in the range of 0.0°~359.9°. By adjusting the phase angle, the user can

test the rush current of the product at different positions which is widely applied

to various switch current impulse tests and various rectifiers test. The setting

steps are as follows:

1. Press the composite keys [Shift] + [V-set](Config) to enter into the configu-

ration menu interface.

2. Rotate the knob to select On Phase and press [Enter] key to confirm.

ITech IT7200 Series User Manual

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