# GX_SetMasterBrightness

## Syntax

      #include <nitro/gx/gx.h>

      void GX_SetMasterBrightness(int brightness);

## Arguments

`brightness` | A value for adjusting brightness (equal to or greater than -16, equal to or less than 16)

## Return Values

None.

## Description

Adjusts brightness in image output. Integers from -16 to 16 can be specified. Positive numbers increase brightness; negative numbers decrease it.

## Notes

In the LCD OFF state, some of the circuitry clocks in the GX are stopped, so the settings of this function are ignored.

## See Also

`G2_SetBlendBrightness`
`GX_GetMasterBrightness`

## Revision History

2009/02/25 Noted that the settings are ignored when state is LCD OFF.
2004/01/19 Initial version.

CONFIDENTIAL