Komatsu ecot3 Operation And Maintenance Manual page 123

DETAILED CONTROLS AND GAUGES DETAILED CONTROLS AND GAUGES
2) When minute display (c) is highlighted in orange, operate
the switches as follows to adjust minute display (c).
If it is not necessary to change the minute setting, press
switch F6. If the time has been changed, always press
switch F6.
F3: Time advances 1 minute.
F4: Time goes back 1 minute.
F5: Cancels change and returns to user menu.
F6: Accepts change and goes to setting for 12/24 hour
display mode.
12h/24h Mode
Choose either a 12-hour display (am/pm) or a 24-hour display.
(b): 24-hour display
(c): 12-hour display (am/pm)
1) If "12h/24h Mode" (a) is not highlighted in yellow, press switch
F6 to highlight "12h/24h Mode" (a) in yellow.
2) Change the "12h/24h mode" with the switches as follows.
The selected display mode (b) or (c) is highlighted in green.
F3: Moves 1 item to left.
F4: Moves 1 item to right.
F5: Cancels change and returns to user menu.
F6: Accepts change and goes to setting for "Daylight Saving
Time".
If the setting has been changed, always press switch F6.
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OPERATION OPERATION