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Backspace key in the virtual keypad. To modify the characters that have been input,
delete the unwanted characters first and then input the new characters.
You can directly move the cursor to the character to be modified or deleted, delete
the desired character or input the new characters after deleting the unwanted
character.
6. Confirm the input
After completing the input operation, click or tap "OK".
Input a Value
When setting or modifying a parameter, you can input an appropriate value with the
numeric keypad.
• Input a value or unit in the keypad using the touch screen.
• You can also rotate the multipurpose knob (1 or 2) to move the cursor and select
the desired value and unit. Then press the knob to input the selected value or
unit.
Figure 4.21 Numeric Keypad
After you input all the values and select the desired units, the numeric keypad is
turned off automatically. This indicates that you have completed parameter setting.
Besides, after you have input the values, you can also press "OK" directly to close the
numeric keypad. At this time, the unit of the parameter is the default unit. In the
numeric keypad, you can perform the following operations:
• Delete the parameter value that has been input;
• Set the parameter value to a maximum or minimum value;
Quick Start
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
DHO4000 User Guide
37
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