If you’re intonation is off on your guitar, and you have a collapsible Journey electric (such as the OT990BD or OE990CB) you should first make sure you’ve tightened the neck fully. If it’s not tightened fully, you’ll have higher action, which could impact intonation. After you’ve confirmed the neck is tightened fully, you can adjust the saddle with the included hex wrench. Here’s a good video from Phillip McKnight on how to adjust intonation on an electric guitar: https://www.youtube.com/watch?v=mn3Zl-4IGsg