---
title: M48 - M53 (Feed-Speed Override Control)
slug: m48-m53-feed-speed-override-control
docTags: 
createdAt: 2023-04-17T15:13:39.000Z
---

`M48` Enable feed and speed override, set back to last user feed override value.

`M49` Disable feed and speed override and set to 100%

`M50 P...`  Set feed Override to a given P value, if the P value is less than zero feed override is disabled and the value remains as is.

`M51 P...` Set speed Override to given P value, if the P value is less than zero speed override is switched off.

`M52 P...`Enable feed Override by analog input. `M52 P0` disables feed override by analog input. P1 is optional.

`M53 P...` Enable feed Hold input. M53 P0 disable feed Hold input. P1 is optional.

To enable the speed and feed override switches, program `M48`. 
To disable both switches, program `M49`.