Komatsu PC118MR-8 Operation And Maintenance Manual page 140

INSTRUMENTS AND CONTROLS
2. Select "Clock Adjustment" in the user menu and press F6.
The monitor displays the time setting screen.
q The following three parameters may be modified.
(a) Clock adjustment
(b) 12/24 hour mode
(c) Daylight saving
3-56
WEAM014802
FUNCTIONING