Komatsu WA380-6 Operation & Maintenance Manual page 315

ATTACHMENTS, OPTIONS
HANDLING JOYSTICK STEERING SYSTEM
SHIFT UP, SHIFT DOWN SWITCHES
These switches (1) and (2) are used to shift up or down in the
manual shift mode.
Press (1): Shift up
Press (2): Shift down
These switches are not used in the auto shift mode.
DIRECTIONAL SELECTOR SWITCH
This directional selector switch (3) on the head of the joystick
steering lever is used to switch the transmission between forward
and reverse.
(F) position: FORWARD
(N) position: NEUTRAL
(R) position: REVERSE
In the manual shift mode, use the shift up and shift down switches
on the head of the joystick steering lever to shift the speed range.
JOYSTICK STEERING LEVER
Use this lever (4) to steer the machine to the left or right.
When traveling, operate this lever in the direction to turn the
machine.
(a): Left turn
(b): Right turn
(N): Neutral
JOYSTICK ON/OFF SWITCH
Use this switch (5) to switch the joystick steering ON/OFF.
Position (a): ON (possible to steer with joystick)
Position (b): OFF (impossible to steer with joystick)
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