Dwyer MPCJR - Manual (Page 9)

FRONT PANEL FUNCTIONS
Key functions are as follows:
INDEX: Pressing the INDEX key advances the display to the next menu
item. May also be used in conjunction with other keys as noted below.
UP ARROW: Increments a value, changes a menu item, or selects the item to
ON. The maximum value obtainable is 9999 regardless of decimal point
placement.
UP ARROW & ENTER: Pressing these keys simultaneously brings up the
secondary menu starting at the SP1H menu item. Pressing these keys for 5
seconds will bring up the secure menu.
DOWN ARROW: Decrements a value, changes a menu item, or selects the
item to OFF. The minimum value obtainable is -1999 regardless of decimal
point placement.
ENTER: The ENTER key is used to store the value of menu items once
they are changed to a new value. If the ENTER key is not pressed after
changing the value the item will revert to the previously stored value.
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