Menu Key; Optional Function Key; Return To Basic Screen Key; Alarm Light - Hitachi 120-3 class Operator's Manual

Menu Key

Shifts the basic screen to the menu screen.

Optional Function Key

The desired preset optional function can be selected by oper-
ating these keys even though the menu key is not operated.
F1 : Work Mode Selection
F2 : Auxiliary
F3 : Mail (Optional)
F4 : Auxiliary
are the fixed function keys.

Return to Basic Screen Key

Allows any screen to return to the basic screen.

Alarm Light

Comes ON when any abnormality occurs.

Optional Function Display

Displays the optional functions preset by the optional function
key.
F1 : Work Mode Selection
F2 : Auxiliary
F3 : Mail (Optional)
F4 : Auxiliary
OPERATOR'S STATION
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