# Xone DB:4 EQ knob: blue pointer illumination.

**URL:** <https://forums.allen-heath.com/t/xone-db-4-eq-knob-blue-pointer-illumination/32638>\
**Category:** Xone DJ\
**Created:** [3 August 2026 09:39 UTC](https://forums.allen-heath.com/t/xone-db-4-eq-knob-blue-pointer-illumination/32638 "2026-08-03T09:39:11Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Friso\_Feenstra](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.allen-heath.com/friso_feenstra/32/8914_2.png) [@Friso\_Feenstra](https://forums.allen-heath.com/u/Friso_Feenstra)\
**Post date:** [3 August 2026 09:39 UTC](https://forums.allen-heath.com/t/xone-db-4-eq-knob-blue-pointer-illumination/32638/1 "2026-08-03T09:39:11Z")

</div>

Hello,  
I am proud owner of a Xone DB4. When I switch the EQ section to isolator mode, the EQ knob pointers light up blue. However, the blue color is very dim. This appears to be a known issue as the Xone:DB4 ages. How can I fix this so that the knobs light up bright blue again?