User’s Manual: DT-02 Series
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2.3
Up and Down buttons
The up and down arrow buttons allow navigation in the main menu and
the rest of submenus. Using this buttons the submenu to be entered o
the parameter to be changed is selected. Once selected, to enter to it
right button has to be pressed.
This buttons are also used to change the frequency and PID parameter’s
values. Pressing up and down arrows the value of those parameters can
be changed, increased or decreased respectively.