What should you do after receiving the information and acknowledging the call from the dispatcher? Request additional resources. Confirm your unit's arrival to the scene. Determine how to get to the call location. $3$ Update dispatch and establish your arrival time. What should you do after receiving the information and acknowledging the call from the dispatcher? Request additional resources. Confirm your unit's arrival to the scene. Determine how to get to the call location. $3$ Update dispatch and establish your arrival time.