Komatsu PC220LC -8 Operation & Maintenance Manual page 95

DETAILED CONTROLS AND GAUGES
Action When Warning is Generated When Displaying Camera Image
If an error or alarm occurs while the camera image is being
displayed, the error monitor or alarm monitor is displayed at the
top left of the screen and flashes.
If the error monitor or alarm monitor is displayed, press switch
F6, return to the standard screen, and check the content of the
error or alarm display.
When the error monitor is flashing, if no lever is operated for
more than 10 seconds, the screen automatically returns to the
standard screen.
When the screen returns to the standard screen, the error
monitor at the top left of the screen goes out and the error or
alarm is displayed in the center of the screen.
If an error monitor is displayed, move the machine, set it in a
safe posture, then have inspection carried out immediately.
For details of the content of the warning displays, see "Basic
Check Monitors (PAGE 3-16)", "Caution Monitors (PAGE 3-13)",
"Emergency Monitors (PAGE 3-11)" and "TROUBLES AND
ACTIONS (PAGE 3-193)".
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OPERATION