According to the machine type, C can be possible.  
 
 Before  pressing  the  direction  button  for  jog  operation,  please 
select the corresponding axis. 
 
C can be selected according to the machine type. 
 
 
 
 
   
In jog mode, jog feed switch can be used to the following manual axis operation. 
1)  Jog feed operation of each axis 
2)  Rapid traverse operation of each axis 
3)  Reference point return operation of each axis in reference point mode 
 
(5)  Rapid switch 
Rapid override switch is for controlling the rapid speed. 
 
Rapid speed will be set in machine data for every axis. 
It is available for rapid moving using Jog switch in manual operation or 
when selecting the Jog mode. 
Operation is only available during pressing this button. 
Manual  rapid  speed  at  the  100%  of  rapid  override  has  been  set  to 
parameter.