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Operation and Application

4.4 Set the DC Output

You can set the voltage and voltage rise time for the DC output. Before operat-

ing the DC output, please select the DC output mode.

4.4.1 Set the DC Voltage

The setting range of DC voltage setting value is between 0V and full-scale rated

output voltage, which is limited by Vdc-Max and Vdc-Min, i.e., the Vdc setting

value should not be higher than Vdc-Max and not lower than Vdc-Min. Please

refer to 4.10.9 Limiting the Setting Value Range for the setting of Vdc-Max and

Vdc-Min.

To set Vdc, refer to the steps below:

1. Press the [DC] key to set the instrument to DC output mode.

2. Press [V-set] key to position the cursor to the voltage setting value. Mean-

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

10.0V 2.00A

0.00W DC MODE

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.

When the power supply is used as a DC power supply, please understand

the related ripple parameters for this instrument when served as a DC power

supply. If there are strict noise requirements, it is necessary to add additional

DC noise filter to obtain low noise and good and stable DC voltage for test.

4.4.2 Set the DC Voltage Rise Time

With this power supply, you can set the voltage rise time under the DC mode,

with the setting range of 1ms ~ 99,999ms. The voltage rise time means the time

when the power supply output voltage reaches the stable setting value for the

first time from zero time. You can set the voltage rise time on the front panel or

through remote control operation. The set voltage rise time will affect the voltage

change speed when the real-time voltage changes. The setting steps are as

follows:

ITech IT-M7700 Series User Manual

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