Hitachi ZW180 Operator's Manual page 159

FINGER TYPE
DSS/USS (Down Shift/Up Shift) Switch
When DSS side (4) of DSS/USS selector switch (3) is pressed
with shift switch (1) in the 2nd, 3rd, or 4th gear position, one
stage slower drive speed range than the currently selected
drive speed range is selected. When USS side (5) of DSS/USS
selector switch (3) is pressed, one stage higher drive speed
than what is currently selected will be selected.
DSS (Down Shift) Switch
Each time DSS switch (2) is pressed, one stage lower drive
speed gear range can be selected. Once the drive speed
is shifted down by pressing the DSS switch (2), the drive
speed cannot be shifted up unless the forward/reverse drive
change or gearshift operation is made.
MULTI-FUNCTION TYPE
DSS (Down Shift) Switch
Each time DSS switch (7) is pressed, one stage lower drive
speed gear range can be selected. Once the drive speed
is shifted down by pressing the DSS switch (7), the drive
speed cannot be shifted up unless the forward/reverse drive
change or gearshift operation is made.
USS (Up Shift) Switch
When USS switch (6) is pressed with shift switch (1) in the
2nd, 3rd, or 4th gear position, one stage higher drive speed
range than the currently selected drive speed range is se-
lected. USS switch is pressed, one stage higher drive speed
than what is currently selected will be selected.
DRIVING THE MACHINE
4-7
1
2
3
3
6
7
M4GB-01-042
M4GB-03-001
DSS: 4
USS: 5
M4GB-01-078
M4GB-01-044