New Holland CX720 Repair Manual page 54

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
If pump output and circuit pressure rises to 197 bar (2857 psi) the pressure compensating valve overrides the flow
compensating valve and adjusts the swash plate angle to limit maximum system pressure.
HYDRAULIC CIRCUIT OPERATION
The variable flow closed centre load sensing hydraulic pump operates progressively in 4 modes:-
Low Pressure Standby
High Pressure Circuit Maximum Demand
High Pressure Circuit Low Demand
Maximum System Pressure (High Pressure Standby)
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