Komatsu D61EX-24 Operation & Maintenance Manual page 173

EXPLANATION OF COMPONENTS
PROCEDURES FOR DELETING ID NUMBERS OF ALL THE REGISTERED NOR-
MAL KEYS (BLACK)
You can delete the keys registered in the machine all together.
1.
Insert registration key (gray) in the starting switch and turn
it to ON position (B) to display the "ID Key Setting" screen
on the machine monitor.
2.
Turn the registration key (gray) to OFF position (A) and
then to ON position (B) 5 times within 10 seconds, accord-
ing to the direction shown on the screen.
REMARK
If the operation of the starting switch is not finished within 10
seconds or the registration is not deleted normally, the mes-
sage of "Deletion of all the keys failed." is displayed on the ma-
chine monitor.
If this screen is displayed, repeat the operation from step 1.
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OPERATION