# Noob question about instruments & toggling effects

**URL:** <https://forum.cabbageaudio.com/t/noob-question-about-instruments-toggling-effects/2135>\
**Category:** Csound Noobs\
**Created:** [25 September 2020 19:22 UTC](https://forum.cabbageaudio.com/t/noob-question-about-instruments-toggling-effects/2135 "2020-09-25T19:22:04Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![rorywalsh](https://forum.cabbageaudio.com/user_avatar/forum.cabbageaudio.com/rorywalsh/32/165_2.png) [@rorywalsh](https://forum.cabbageaudio.com/u/rorywalsh)\
**Post date:** [26 September 2020 15:04 UTC](https://forum.cabbageaudio.com/t/noob-question-about-instruments-toggling-effects/2135/5 "2020-09-26T15:04:42Z")

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My bad, we forgot to clear the channels at the end 😉

```
instr 99
   aLeft chnget "leftSignal"
   aRight chnget "rightSignal"
   outs aLeft, aRight
   
   chnclear "leftSignal"
   chnclear "rightSignal"
endin

```

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