Selecting the Vehicle processor operation mode is done in the following way:

1. Go to the Vehicle processor settings panel.
   
2. To enable the mode of imitating the virtual loop set the Virtual loop checkbox (1). The result of this module operation is retranslating the events of vehicles passing in and out from the detection zone, registered by Vehicle detector module. On default the events are retranslated without storing in the Vehicle processor database. To enable storing the events to the database, one should perform step 3.
3. To enable the mode of gathering and storing vehicles information to the Vehicle processor database set the Collect data checkbox (2).

4. To enable the fixation mode and storing the incidents in the vehicle to the Vehicle processor database set the Register incidents checkbox (3).

   At the moment of writing the documentation only the Meeting of traffic incidents are fixed.

5. To enable the mode of vehicles turn's length calculation set the Queue length checkbox. The result of this mode operation is the events registrations with data concerning the length of vehicles' turn. On default events are registered without storing in the Vehicle processor database (4). To enable storing the events to the database, one should perform step 3.
6. From the Access: dropdown list select the Area object, corresponding to the entrance area to the detection zone where the Length of turn is calculated (5).
7. From the Exit dropdown list select the Area object, corresponding to the exit area from the detection zone where the Length of turn is calculated) (6).
8. Click Apply to save the changes (7).

Selecting the Vehicle processor operation mode is completed.