How to Program Digital voltmeter of model Alpha +V

In this Video I am explaining how to set/Program a Digital Voltmeter of Alpha+ V model make Elmeasure.
What is a voltmeter?
A voltmeter is a device that measures voltages of direct current or alternating current on a scale commonly in volts, millivolts, or kilovolts. Many voltmeters are digital that give readings as numerical displays.

[@tammannakhatun1761]

Nice explaining

[@industrialtechnical]

Thank you