# Moving around in the BDV views.
| **Action** | **Key** |
|---------------------------------|---------------|
| **_View._** ||
| Move in X & Y. | `Right-click` and `Drag`. |
| Move in Z. | `Mouse-wheel`.
Press and hold `Shift` to move faster, `Control` to move slower. |
| Align with XY plane | `Shift Z` |
| Align with YZ plane | `Shift X` |
| Align with XZ plane | `Shift C` or `Shift A`.
For these 3 shortcuts, the view will rotate around the mouse position on the BDV. |
| Zoom / Unzoom. | `Control` + `Shift` + `Mouse-wheel` or `Command` + `Mouse-wheel`.
The view will zoom and unzoom around the mouse location. |
| **_Time-points_**. | |
| Next time-point. | `]` or `M` |
| Previous time-point. | `[` or `N` |
| **_Bookmarks_.** | |
| Store a bookmark. | `Shift B` then press any key to store a bookmark with this key as label.
A bookmark stores the position, zoom and orientation in the view but not the time-point. Bookmarks are saved in display settings file. |
| Recall a bookmark. | Press `B` then the key of the bookmark. |
| Recall a bookmark orientation. | Press `O` then the key of the bookmark. Only the orientation of the bookmark will be restored. |
| **_Image display_.** | |
| Select source 1, 2 ... | Press `1` / `2` ... |
| Toggle fused mode. | Press `F`.
In fused mode, several sources are overlaid. Press `Shift` + `1` / `Shift` + `2` ... to add / remove the source to the view. In single-source mode, only one source is shown. |
| Save / load display settings. | `F11` / `F12`.
This will create a _XYZ_settings.xml_ file in which the display settings and bookmarks will be saved. |
Before mid-2023, the brightness and source visibility dialogs were configured in dialogs which visibility were toggled with the `F` and `F6` shortcuts respectively. With the new version of BDV, they are configured with a side-pane in a BDV window that can be toggled by placing the mouse ofther right part of the images:
![BDV side pane position](../imgs/Mastodon_BD-sidepane.gif)