# U1 - U4

Source: https://help.malighting.com/grandMA2/en/help/key_key_u1-u4.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

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The U-Keys are located on the right of screen 1.

![](/img/grandma2/img_u_keys_3_2-af4143.png)

_Location U-Keys_

 

The U-Keys have a function if function buttons are visible on screen 1.

![](/img/grandma2/popup_assign_menu_ukey_functions_3_2-2c9536.png)

_Assign Menu U-Key Function Buttons_