IHI IC75-2 Operation Manual page 36

Adjustment of Forward Start
If the machine travels diagonally either to the right or the
left when starting to travel or the sensitivity of the joystick
is not completely normal, adjust Forward Start on this
screen.
Trim
Adjusts the balance between the initial speeds of the right
and left travel motors in order to eliminate diagonal travel
when starting to travel.
[+] key: Adjust in the right direction. (Slows down the
initial speed of the right travel motor.)
[-] key: Adjust in the left direction. (Slows down the
initial speed of the left travel motor.)
Start
Adjusts the sensitivity of the joystick when starting to
travel.
[+] key: The response to joystick input gets faster.
[-] key: The response to joystick input gets slower.
The adjustment of Forward Start affects the feeling
of the brake during forward pivot turn and reverse
travel.
Therefore, make this adjustment carefully.
IC75-2 ENG
CONTROLS
2-13