User`s manual

Accurate Technology ProScale Page 34 of 48
+, 0, and – Keys
The + (plus), 0 (zero) and – (minus) keys are used to change the currently
displayed position to a different value. The 0 key forces the unit to display 0.
Momentarily depressing the + key increments the current position by one unit
of measurement. Momentarily depressing the – key decrements the current
position by one unit. Pressing and holding the + or – keys will cause the
displayed position to change continuously. Holding down the key will cause
the amount of change to speed up. This allows for quick adjustments over a
range of large values. These keys can be “locked out” to prevent accidental
offset or zero entries.
(Programming Parameter Pr3)
Auxiliary Keypad Functions
Panel Mount Display
Surface Mount Display
The Auxiliary Keypad is found on all Displays except the BASIC models.
(Programming Parameter Pr9)
ABS - INC
The Display has two measurement “indexes”. One is referred to as ABS and
the other is INC. The ABS measurement setting is designed to allow the
user to set an “absolute“ zero point on the Display referenced from a fixed or
known position. The INC measurement setting is designed to take relative or
“incremental” distance measurements from one arbitrary point to another.
The settings operate independently allowing separate position offsets to be
programmed for ABS and INC. The ABS position of the measuring system is
not lost when using the INC settings.
ABS Mode – The Display automatically enters ABS mode when power is first
applied. This is indicated by the ABS symbol in the upper left corner of the
Display. While in the ABS mode, all position measurements are related to
the current system reference point. To enter the INC mode, momentarily
press the ABS/INC button.
INC Mode – While in the INC mode, the INC symbol is shown in the upper
left corner of the Display. When the INC mode is initially entered, the
displayed position will change to reflect a new reference point at the current