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---
tag: m0255
title: LCD Sleep/Backlight Timeout
brief: Set and/or get the LCD Sleep Timeout.
author: thinkyhead
requires: DISPLAY_SLEEP_MINUTES or LCD_BACKLIGHT_TIMEOUT
group: lcd
since: 2.0.9.4
codes: [ M255 ]
notes: Requires an LCD controller with a software controlled backlight or sleep function.
parameters:
-
tag: S
description: Timeout delay in minutes.
values:
-
tag: minutes
type: int
examples:
---
Set and/or get the LCD sleep / backlight timeout, in minutes. The display will go blank to save energy after your specified period has elapsed with no activity. The screen will wake up if it needs to display an important message.
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