Additel 221A Multifunction Temperature Calibrator User Manual - Manual (Page 30)

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11
Leaves the current page, cancel the choice or operation.
In calculator page, provides clear functions (C).
12
Confirms the choice or operation.
In calculator page, provides the equals arithmetic operator (=).
13
Activates the measurement or sourcing display area, fine tunes the source value in Basic
Mode.
Select the item from the drop down list.
In calculator page, provide arithmetic functions (+ ‐ ч Ч).
14 Softkeys Performs the function defined by the context label.
15
Numeric
Keypad
Used whenever a numeric entry is required.