Komatsu PC30MR-5 Operation & Maintenance Manual page 117

OPERATION
2.
"Language" screen is displayed.
Select the language to be displayed, and then press the
function switch "F4".
The language to be displayed on the machine monitor is
changed.
On "Language" screen, you can perform the following op-
erations with function switches "F1" to "F4".
Function switch "F1"
Moves to the next item (1 line below).
When on the last line, it moves to the first line.
Function switch "F2"
Moves to the previous item (1 line above).
When on the first line, it moves to the last line.
Function switch "F3"
Cancels the selected setting, and returns the screen to "Monitor Setting" menu screen.
Function switch "F4"
Allocates the selected setting, and returns the screen to "Monitor Setting" menu screen.
MESSAGE DISPLAY
On machines equipped with KOMTRAX, when message pilot
lamp is lit on the standard screen, you can see the messages
from your Komatsu distributor on the mail check menu screen
by pressing function switch "F4".
Message is distinguished as follows according to the lighting states of the message display.
Lights up in green
There is an unread message.
WENAM00150
EXPLANATION OF COMPONENTS
3-51