Vivotek FD9167-H User Manual page 356

VIVOTEK
steps 1 ~ <motor_max>
iris N/A
356 - User's Manual
Motor's moving steps.
It works only if function=zoom | focus and direction=forward |
backward.
<motor_max> is refer to remote_focus_focus_motor_max or
remote_focus_zoom_motor_max which replied from
"function=getstatus"
* This parameter is for additional fine-tune, the value is from 1 to 30.
Open iris or not.
It works only if function=auto | scan.