# Wondering what the Master Track "MON" icon working for?

**URL:** <https://qa.fmod.com/t/wondering-what-the-master-track-mon-icon-working-for/12234>\
**Category:** FMOD Studio\
**Created:** [January 11, 2016, 8:54am UTC](https://qa.fmod.com/t/wondering-what-the-master-track-mon-icon-working-for/12234 "2016-01-11T08:54:24Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![m0nkey](https://avatars.discourse-cdn.com/v4/letter/m/65b543/32.png) [@m0nkey](https://qa.fmod.com/u/m0nkey)\
**Post date:** [January 11, 2016, 8:54am UTC](https://qa.fmod.com/t/wondering-what-the-master-track-mon-icon-working-for/12234/1 "2016-01-11T08:54:24Z")

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Hi there,

What’s the grey icon “MON” in the master track mean? I can’t find some info about it, whether in the manual or the internet(maybe I just missed it). I assumed it force the audio signal to mono,but it doesn’t work that.

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**Author:** ![patrick](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/patrick/32/261_2.png) [@patrick](https://qa.fmod.com/u/patrick)\
**Post date:** [January 12, 2016, 11:43pm UTC](https://qa.fmod.com/t/wondering-what-the-master-track-mon-icon-working-for/12234/2 "2016-01-12T23:43:24Z")

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Hi Andrew, the “MON” button stands for monitor. Basically, if you set some tracks to have mute/solo enabled, it allows you to quickly toggle between the original state and the mute/solo state, for the given event or the global mixer.

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**Author:** ![m0nkey](https://avatars.discourse-cdn.com/v4/letter/m/65b543/32.png) [@m0nkey](https://qa.fmod.com/u/m0nkey)\
**Post date:** [January 13, 2016, 2:10am UTC](https://qa.fmod.com/t/wondering-what-the-master-track-mon-icon-working-for/12234/3 "2016-01-13T02:10:10Z")

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> [@](#):
>
> Hi Andrew, the “MON” button stands for monitor. Basically, if you set some tracks to have mute/solo enabled, it allows you to quickly toggle between the original state and the mute/solo state, for the given event or the global mixer.

Got it, Thanks Patrick. I should have been more attentive 🙂

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**Author:** ![patrick](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/patrick/32/261_2.png) [@patrick](https://qa.fmod.com/u/patrick)\
**Post date:** [January 13, 2016, 4:21am UTC](https://qa.fmod.com/t/wondering-what-the-master-track-mon-icon-working-for/12234/4 "2016-01-13T04:21:12Z")

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No worries, glad that clears things up!