B737NG Pressurization Panel located on the right fwd side of FWD OVERHEAD panel. Setting Cruise Altitude. and landing airport altitude. Pressurization system can be selected with 3 position.the switch located bottom on the picture. AUTO, ALTN, MAN AUTO mode - 2 CPC(Cabin pressurization computer) will control pressurization systemALTN mode - one of the CPC will control pressurization systemMAN mo..