Case CX490D Operator's Manual page 85

Engine speed throttle and work mode selection
The engine speed throttle allows to increase or decrease
the engine speed.
Three work modes are selectable:
Select the A mode for loads handling and high precision
operations.
Select the H mode for general digging and truck loading
operations.
Select the SP mode for heavy digging operations.
NOTE: to select the SP mode, turn the work mode selec-
tor clockwise while holding down the pin.
The work mode currently selected is indicated by a spe-
cific icon on the display:
The A work mode is selected.
The H work mode is selected.
The SP work mode is selected.
Power boost
The machine control system automatically manages a boost of the hydraulic power in order to optimize the machine
performance.
The activation of the Power boost is related to each work mode:
The Power boost is always active in the A work mode.
The Power boost is activated for 8 s in the H work mode.
The Power boost is activated for 8 s in the SP work mode.
The activation of the Power boost in the H or SP work mode is indicated by a specific icon on the display:
Power boost is active
3 - CONTROLS AND INSTRUMENTS
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