1. Choose from a variety of items in the [ZOOM] menu.
[ZOOM] "6:ZStandard" is a common choice. From there you can zoom in or out.
![Choose from a variety of items in the [ZOOM] menu.](https://media.screensteps.com/image_assets/assets/001/997/686/original/2C9D7031-1D62-423D-9169-52B445BA5835.png)
2. Use [ZOOM] "1: ZBox" to zoom to a particular part of the graph.
Go to: [ZOOM] "1: ZBox". Use the arrow keys to position in the upper left corner of what you want. [ENTER]. Use the arrow keys to go down and to the right to form a box. [ENTER].
![Use [ZOOM] "1: ZBox" to zoom to a particular part of the graph.](https://media.screensteps.com/image_assets/assets/001/997/687/original/0A271FA6-1FEA-48AB-B7B4-0FC525E93837.png)