I will explain how to use the ‘smart speed gun for baseball / SSGun ‘ APP application. After launching the APP. From the main screen Click on ‘ How to use ‘ button You can check the basic usage Click on the ‘ Settings ‘ button You can choose speed and distance units, You can enter distance information. The base distance is 60.5ft. It is the standard pitching distance for adult You can change the distance according to the situation, save and use it. Back to the main screen The speed measurement method is divided into simple measurement and precision measurement. First, I will explain how to use simple measurement. The ball comes out of the pitcher’s hand Press the button at the release point At the catch point where the ball reaches the catcher’s glove release the button Let’s see the actual use screen. Please note that errors may occur depending on the user’s using skill level. Next, I will explain the precision measurement method. Precision measurement is a method of measuring the speed by counting the number of frames between a release point and a catch point in a video. To use the precision measurement function Need to shoot pitching video in advance Slow motion shooting is recommended After selecting Precise Measurement Click the Gallery button to load the saved video Use the camera folder path by default (The path may vary depending on your environment) When the video loads it looks like this Move the frame position to find the release point. and press the ‘ SAVE ‘ button Then move the frame to find the catch point. and press the ‘ SAVE ‘ button Move the screen down to see the results. You can see that there is no big difference at 161km/h. Of course, this result may vary depending on user proficiency. In the free version, the ads are displayed. This is a minimal ad setup for operation. please understand us. If you want an ad-free version Please purchase the ‘Smart Speed Gun Pro’ version. Thank you.