# QGC custom gain?

**URL:** <https://discuss.bluerobotics.com/t/qgc-custom-gain/10581>\
**Category:** QGroundControl\
**Created:** [September 13, 2021, 11:36pm UTC](https://discuss.bluerobotics.com/t/qgc-custom-gain/10581 "2021-09-13T23:36:29Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Lachie](https://avatars.discourse-cdn.com/v4/letter/l/a6a055/32.png) [@Lachie](https://discuss.bluerobotics.com/u/Lachie)\
**Post date:** [September 13, 2021, 11:36pm UTC](https://discuss.bluerobotics.com/t/qgc-custom-gain/10581/1 "2021-09-13T23:36:29Z")

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Hey Everyone  
I was wondering if it is possible to configure the ROV gain to be set at something other than 25%, 50%, 75% and 100%? im using ardusub and QGC.

Thanks

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**Author:** ![EliotBR](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.bluerobotics.com/eliotbr/32/6937_2.png) [@EliotBR](https://discuss.bluerobotics.com/u/EliotBR)\
**Post date:** [September 14, 2021, 1:52am UTC](https://discuss.bluerobotics.com/t/qgc-custom-gain/10581/2 "2021-09-14T01:52:46Z")

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Hi @Lachie,

> [@Lachie](#):
>
> I was wondering if it is possible to configure the ROV gain to be set at something other than 25%, 50%, 75% and 100%?

Yes, this is possible. If you go to the Parameters tab and click JS (for Joystick), you can change the minimum and maximum possible gains, the default one on startup, and the number of gain steps. It’s also possible to set a custom multiplier for the throttle (vertical) gain 🙂

 ![change-gain](https://us1.discourse-cdn.com/flex019/uploads/bluerobotics/original/2X/2/2a39f30e5fcf175dd7b554fae30285212409ca5f.png)

This is currently documented in our [Features while in Operation docs](https://www.ardusub.com/reference/ardusub/features-while-in-operation.html#pilot-input-gain), which links to [the relevant parameters](https://www.ardusub.com/developers/full-parameter-list.html#jsgaindefault-default-gain-at-boot). I only learnt about this recently myself, so I feel like it could be more obviously documented.

I’m thinking it could be worth mentioning on the [Joystick](https://www.ardusub.com/reference/ardusub/joystick-setup-page.html) and [Motors](https://www.ardusub.com/reference/ardusub/motors-setup-page.html) setup pages - are there any additional places you think would be helpful? 🙂

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**Author:** ![Lachie](https://avatars.discourse-cdn.com/v4/letter/l/a6a055/32.png) [@Lachie](https://discuss.bluerobotics.com/u/Lachie)\
**Post date:** [September 14, 2021, 2:59am UTC](https://discuss.bluerobotics.com/t/qgc-custom-gain/10581/3 "2021-09-14T02:59:14Z")

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Thanks for your response and help Eliot.  
I think mentioning it on the joystick and motors setup page is a good idea.

Thanks!