Hitachi Zaxis 345USLC-6N Operator's Manual page 222

 Pivot Turn
The machine direction is changed by driving one of two
crawlers with either left or right travel levers (or pedals).
 Spin Turn
The machine direction is changed by driving two crawlers
in opposite direction at a time by operating one lever (or
pedal) to forward and another lever (or pedal) to reverse.
DRIVING THE MACHINE
4-2
M104-04-010
Pivot Turn
M104-04-005
M104-04-011
Spin Turn
M104-04-007