Indicator LED (Orange LED): Displays the switch output condition.
LCD display: Displays the current status of pressure, setting mode and error
code.
Four display modes can be selected: display always in red or
green, or display changing from green to red, or red to green,
according to the output status.
button (UP): Selects the mode or increases the ON/OFF set value.
Press this button to change to the peak display mode.
button (DOWN): Selects the mode or decreases the ON/OFF set value.
Press this button to change to the bottom display mode.
button (SET): Press this button to change to either mode and to set a
value.