Cabin Pressure Control Systems = "Depressurisation" control systems
Good answer B73567AMT, but the decrease in cabin altitude during descent corresponds to an increase in cabin pressure. Do please remember that increases in cabin altitude amount to the same thing as decreased cabin pressure.
So, subsidence's assumption about landing elevation selection is correct. The system does increase the cabin pressure on a schedule that brings the cabin pressure to equal the ground pressure at landing altitude.
"Pressurisation" is a widely used misnomer. Cabin Pressure Control systems do not "pressurise" the cabin, they control the de-pressurisation by reducing the rate at which the pressure of the air in the cabin decreases during climb, until the minimum pressure that corresponds to maximum cabin altitude is achieved. And vice-versa. Thus, during flight, although cabin pressure will be higher than the outside air pressure, aircraft cabin pressure remains lower than ground level pressure.
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