Komatsu PC220LC -8 Operation & Maintenance Manual page 91

DETAILED CONTROLS AND GAUGES
Operations on Camera 1 Image Display Screen
The following explanation describes the method of operation when it is desired to display only one camera screen
on the monitor.
On the standard screen, if switch F3 is pressed, the image
display screen is displayed.
Press switch F1 to display all the screens for images from the
No. 1 camera.
Press switch F2 to display all the screens for images from the
No. 2 camera.
Press switch F3 to display all the screens for images from the
No. 3 camera.
REMARK
If the machine is not equipped with a No. 2 camera or No. 3
camera, guidance icons (a), (b) and (c) are not displayed.
Press switch F5 to return to the standard screen.
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OPERATION