> For the complete documentation index, see [llms.txt](https://neolabdev.gitbook.io/gridaboard-eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://neolabdev.gitbook.io/gridaboard-eng/help/how-to-use-gridaboard/how-to-use-smartpen.md).

# How to use the smartpen

How to use the pen tool(change pen tip type, color, and thickness) and how to delete the handwriting

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3UrcxOOpXrJqYOHZg%2Fimage.png?alt=media\&token=58bad701-168d-436f-bec0-e0732695b469)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3UtRlrLUdhyKkzl03%2Fimage.png?alt=media\&token=e9e7e54b-9351-481f-b081-88e52d0e27aa)

1\. Choose the pen(keyboard shortcut \[Q]) and write on the board.

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3UyRuW-DeXc6tic1o%2Fimage.png?alt=media\&token=946cc0ee-3d0d-4068-a2ec-187dc3a7d194)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3V-lsV9VCCLiuWlof%2Fimage.png?alt=media\&token=7d112d83-f911-457b-b40a-7e5b8ca1d76c)

2\. You can adjust the character thickness by keyboard shortcut \[Z\~B].

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3V4U0bf02wDLHMWFz%2Fimage.png?alt=media\&token=0fa80f58-3924-484e-a80f-40257c29b58c)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3V7D40CKzVYZtjTJR%2Fimage.png?alt=media\&token=5862e549-142b-4ed0-90cb-b7e31c3bb694)

3.You can change the writing color by keyboard shortcut\[1\~0].

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3VV5Tum9MuOuZjBo2%2Fimage.png?alt=media\&token=b7c49b04-0264-41cd-865f-0de559db95a0)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3VFSRzj8DloBWKCSg%2Fimage.png?alt=media\&token=44ea5219-561a-42a1-acac-14f274b3a82e)

4\. Please choose the highlighter pen (keyboard shortcut \[R]) and write on the board.

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3Vb6SGTzeRIKQl99X%2Fimage.png?alt=media\&token=8e79f962-7774-4ed1-b54a-c44d8ce437b9)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3VcuA6LLOuai3oWiw%2Fimage.png?alt=media\&token=ce2662b7-70f2-4a11-b0a7-d971df83a5d3)

5\.
 You can delete the handwriting data with the Eraser(keyboard shortcut \[E]).

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3Vhx1d-pEyKmOIH43%2Fimage.png?alt=media\&token=4e9b569d-6a9b-4a73-b450-9242509387aa)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3Vk7YGozKtbDlwf01%2Fimage.png?alt=media\&token=2d2eca7c-47b5-42aa-84fc-855dd4db63b3)

6\.  
You can delete the handwritten data on the page at once by pressing the Erase All button (keyboard shortcut \[Y]) on the upper right side of the page.

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3Vo3KtRRFCKx1X7NV%2Fimage.png?alt=media\&token=e6b83ed8-3426-40d1-8de4-53301d445497)

![](https://633822894-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_3HU-LFb-VpFNcpcEK%2F-M_3SVJvD9gUFTQfviA3%2F-M_3VpkrpzafSOa83aYO%2Fimage.png?alt=media\&token=13266853-5e35-4d68-aef5-d6a24d5a7f48)

7\. 
Select the Pointer (keyboard short \[T]) to activate it in blue, then you can check the pen's position on the board