Arcade game machines, especially those featuring shooting games, rely on precise light gun calibration to ensure accurate targeting and an immersive player experience. The most common method involves synchronization with CRT (Cathode Ray Tube) screens. When the trigger is pulled, the screen briefly blacks out, and the light gun detects the CRT's electron beam as it scans the screen. The game calculates the position based on the timing of this detection.

Modern arcade machines with LCD screens often use infrared sensors or camera-based systems. These track the light gun's position relative to the screen, requiring initial calibration to map the gun's movements accurately. Some systems also incorporate recoil feedback and auto-calibration routines to maintain precision over time.

Proper calibration is crucial for gameplay fairness and player satisfaction, making it a key focus for arcade operators and manufacturers alike.