Basic Usage

Opening Files
To view any supported file in , select File Open... , choose a supported file in the dialog and click Open. Your file should now be displayed in the main window.
The new document will be opened in a new tab should the Open new files in tabs option on the General configuration page is checked.
If you have already opened files in before, you can quickly access them by selecting them in the File Open Recent menu.
is the default application for and files, launched when you click with the on such a file type in the filemanager. If you want to open any file whose format is supported by use Open with... from context menu in the filemanager.
After having a file opened you probably want to read it and therefore navigate through it. Go to the next section to learn more about this.

Navigating
This section describes how you can navigate through a document in .
There are multiple ways of scrolling the viewing area. One is to use the Up Arrow and Down Arrow keys. You may also use the scrollbar, your mousewheel or the Page Up and Page Down keys.
You can also use vim-like navigation keys, namely H to move to the top of the previous page, L to move to the top of the next page, J to move one line down, and K to move one line up.
Another way is to hold the down at any place on the document while dragging the mouse in the opposite direction of where you want to move. This procedure only works if the Browse Tool is enabled, which you can select by choosing Tools Browse Tool.
When viewing a document in the Presentation mode use Up Arrow and Down Arrow keys to switch between pages or slides. The number and the position of the current slide will be shown in the overlay at the right upper corner of screen.
If you want to read a document with several pages use the automatic scrolling feature of . Start automatic scrolling with Down Arrow or Up Arrow. Then use these keys to increase and decrease the scrolling speed. You can start or stop automatic scrolling temporarily by pressing the key; pressing any other key deactivates this feature.
Another way to navigate through a document with several pages is to use the mouse pointer. Drag the page up or down, continue to drag even while reaching the bottom or top of the screen and behold. Once you cross the border of a page, the mouse cursor appears on top or bottom of the screen again and you can just continue to drag.
The navigation panel on the left side of the screen enables two more ways of navigating through a document:
If you click on a page thumbnail the viewing area will be brought to that page.
If the document has a table of contents, clicking on a table of contents item will bring the document to the page linked to that item.
If the document has layers, you can control the layers shown by checking or unchecking the items in the Layers list.
If the document has bookmarks, enable the Bookmarks view and click them to go to the associated page. If bookmarks are not only shown for the current document, you can quickly switch to bookmarks in all recently opened files.
If the document has annotations, enable the Reviews view and click the annotations or select them with the Up Arrow and Down Arrow keys and press Return to go to the associated page.
Some documents have links. In this case you can click on them and the view will change to the page it links to. If the link is to a web page or some other document the default handler for that format will be invoked. For example, clicking on a link pointing to http://www.kde.org will open the web page in the default 's web browser.
The document internal links work only when Browse Tool is used.
Additionally, you may use the following functionality to quickly move to specific places in the document:
You can go to the beginning of the document using Home or using Go Beginning of the document .
You can go to the end of the document using End or using Go End of the document .
You can go forward in the document using Space or Page Down. To go to the next page of the document use the Next Page Toolbar button or Go Next Page in the menubar.
You can go back in the document using or Page Up. To go to the previous page of the document use Previous Page Toolbar button or Go Previous Page in the menubar.
You can go back to the positions in the document where you came from in a chronological order. Consider ⪚ reading the phrase As shown in [15], …, and you want to know quickly lookup reference [15]. So you click on it, and will jump to the list of references. Using Left or Go Back in the menubar will bring you back to exactly the position where you came from.
You can go forward in the document after the jumping back as described above using Right or Go Forward in the menubar.
You can go to the next match when searching using F3 or (when the focus is on Find text field) keys or Edit Find Next menu item or move back to the previous match using F3 or (when the focus is on Find text field) keys or Edit Find Previous menu item.

Presentation Mode
The Presentation mode represents another way to view documents in . It can be enabled in View Presentation. It shows the document on a page per page basis. The pages are shown with zoom to page, that means all the page is visible.
documents can even specify that they are always opened in presentation mode.
When in presentation mode, you have an helper bar located on the top of the screen. Just move the mouse cursor to the top of the screen to make it appear.
in Presentation Mode
in Presentation Mode
To navigate between pages you may use the (next page) and the (previous page), the mouse wheel, the arrow icons or the line edit in the top bar, or the keys specified in the Navigating section.
Use Play/Pause button in the top bar to start playing presentation or pause it, correspondingly.
You can exit presentation mode at any time by pressing the key or clicking the Quit icon in the top bar.
You can also draw on the current page with a pencil. Click on the Toggle Drawing Mode icon in the top bar to enable or disable the possibility to draw in the presentation mode. The drawings are cleared automatically when leaving the presentation mode. You can also click on the Erase Drawings icon to remove the drawings in the current page.
The presentation mode has support for more than one screen in a multi-monitor configuration. With more than one screen a new button will appear in the top bar, with the icon of a screen: this is a drop down box that allows you to move the presentation to any of the other available screens.
Presentation mode has some configuration options, you can find their description in the chapter Configuring .

Inverse Search between LATEX Editors and
Inverse search is a very useful feature when you are writing a LATEX document yourself. If everything is set up properly, you can click into 's window with the left mouse button while pressing . After that editor loads the LATEX source file and jumps to the proper paragraph.
Inverse search cannot work unless:
The source file has been compiled successfully.
knows which editor you would like to use.
The Browse Tool has to be enabled, which you can select by choosing Tools Browse Tool .
With this feature of , a left mouse click while pressing in the or document will result in editor opening the corresponding LATEX document and attempt to go to the corresponding line. Remember to tell to use proper editor, in 's menu item Settings Configure Okular... (on the page Editor).
For more details on editor configuration please refer to the corresponding section of this manual.
Configuring
Configuring editor in
Configuring editor in