MAKFRY MDFE-300S, User Manual

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15- UP BUTTON: THIS BUTTON IS USED TO INCREASE THE DIGIT VALUE ON THE PARAMETER
CHANGE SCREEN WHEN THE CURSOR IS ON IT.
16- ENTER BUTTON: THIS BUTTON IS USED TO SAVE THE PARAMETER VALUES AND RETURN TO
THE MAIN SCREEN WHEN ON THE PARAMETER CHANGE SCREEN.
17- DOWN BUTTON: THIS BUTTON IS USED TO DECREASE THE DIGIT VALUE ON THE
PARAMETER CHANGE SCREEN WHEN THE CURSOR IS ON IT.