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Operation Manual for LCD Digital Readouts Page 14 of 48

SECTION 3 OPERATION

Fundamental Operation

The following operations & functions apply to the Basic, General Purpose and

Panel mount LCD Digital Readouts.

KEY TIMING

The keys pictured below have multiple functions. Timing (how long a key is

depressed) is important. This manual uses the term “momentarily” to describe

a key press and release of less than .8 seconds. Whereas “press and hold” is

used to describe a key press and release of 1 second or longer.

See Table Below:

A function is executed on the “key release” for momentary key presses.

A function is executed after the allotted time has elapsed for “press & hold”

operations. See Table Below:

Momentarily Press Press & Hold

UNITS

Cycles measurement units:

inches, fractions, mm

No effect

(in programming mode) Increments program parameter list Displays Pr #

Plus (+) increments displayed value increments faster

(in programming mode) increments parameter value increments faster

Datum

forces reading to programmed

datum value

After 6 seconds: battery voltage

After 9 seconds: Temperature

(in programming mode) forces parameter to factory default no effect

Minus (-) decrements displayed value decrements faster

(in programming mode) decrements parameter value decrements faster

Momentarily Press & Hold

How long a key is pressed? Less than .8 seconds More than 1 second

When is key function executed? On key release While holding

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Accurate Technology ProScale Installationshandbuch Seite 14