Komatsu PC300LC-8 Operation & Maintenance Manual page 146

OPERATION
Vent Selector Switch
Switch (4) is used to select the vents.
When switch (4) is pressed, the display on monitor display (7)
switches and air blows out from the vents displayed.
During automatic operation, the vents are automatically
selected.
(A): Rear vent (4 places)
(B1): Face vent (1 place)
(C): Foot vent (1 place)
(D): Front window glass vent (2 place)
(B2): Front window glass vent (1 place)
DETAILED CONTROLS AND GAUGES
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