User manual
VIVOTEK
316 - User's Manual
function focus, 
auto, 
scan,
stop, 
positioning, 
irisopen, 
irisenable, 
resetfocus, 
getstatus 
Function type 
focus – Move focus motor 
auto – Perform auto focus 
scan – Perform focus scan 
stop – Stop current operation 
positioning – Position the motors 
resetfocus   –   reset focus position to default   
irisopen – Fully open iris. It will maintain this status until sending 
irisenable cgi. 
irisenable – leave fully open iris and return back to previous status
getstatus–Information of motors, return value as below: 
remote_focus_focus_motor_max: Maximum steps of focus motor
remote_focus_focus_motor_start: Start point of effective focal 
length 
remote_focus_focus_motor_end: End point of effective focal 
length 
remote_focus_focus_motor: Current position of focus motor 
remote_focus_focus_enable: Current function of focus motor 
remote_focus_iris_open: The current status of iris. 0: irisenable, 1:
irisopen 
Current function of zoom/focus motor, return value as below: 
0: no service 
1: zooming 
2. focusing 
3: auto focus 
4: focus scan 
5: positioning (both zoom motor and focus motor) 
12: reset focus 
direction direct, 
forward, 
backward
Motor’s moving direction. 
It works only if function= focus. 
position  0~<motor_max>  Motor’s position. 
It works only if function=focus and direction=direct.
<motor_max> is refer to remote_focus_focus_motor_max which 
replied from "function=getstatus" 










