Manual Part # 800-1404-001, Rev B Page 28 of 36OperationReadout KeysTIMINGThe keys on your readout, illustrated below, have multiple functions. Timing,(how long a key is depressed) is important. This manual uses the terms“momentarily” to describe a key press of less than 0.8 seconds and “pressand hold” to describe a key press of 2 seconds or longer. See Table Below.The execution of a key’s function is performed on “key release” formomentary key presses and after the allotted time has elapsed for “press &hold” operations. See Table Below.Momentarily Press Press & HoldIN/MM Cycles measurement unitsdisplayed: inches, fractions, mm3 seconds: Toggles betweenABSolute and INCremental modes(When in programmingmode)Cycles program parameter list Has no effect+ -(plus & minus keys)Increments or Decrementsdisplayed valueIncrements or Decrements displayedvalue fasterDATUM Forces readout to programmedvalue in Pr 17 seconds: Displays FW version9 seconds: Enters Programmingmode3 seconds: Exits programming modeMomentarily Press & HoldHow long a key is pressed? Less than 0.8 seconds More than 2 secondsWhen is key function is executed? On key release While holding